Plant Family [a] [b] [c] [d] [e] [f] [g] [h] [i] [j] [k] [l] [m] [n] [o] [p] [q] [r] [s] [t] [u] [v] [w] [x] [y] [z] Paeoniaceae Pallaviciniaceae Pandanaceae Pannariaceae Papaveraceae Parkeriaceae Parmeliaceae Passifloraceae Pedaliaceae Pelliaceae Peltigeraceae Peltulaceae Pertusariaceae Philydraceae Phlyctidaceae Phyllachoraceae Physciaceae Phytolaccaceae Pilocarpaceae Pinaceae Piperaceae Pittosporaceae Placynthiaceae Plagiochilaceae Plagiotheciaceae Plantaginaceae Platanaceae Platygloeaceae Pleomassariaceae Pleosporaceae Pleuroziaceae Pleuroziopsidaceae Plumbaginaceae Poaceae Podocarpaceae Podostemaceae Polemoniaceae Polygalaceae Polygonaceae Polypodiaceae Polytrichaceae Pontederiaceae Porellaceae Porpidiaceae Portulacaceae Posidoniaceae Potamogetonaceae Pottiaceae Primulaceae Proteaceae Protothelenellaceae Pseudoditrichaceae Pseudolepicoleaceae Psilotaceae Psoraceae Pteridaceae Pterigynandraceae Pterobryaceae Ptilidiaceae Ptychomitriaceae Punicaceae Pyrenotrichaceae Pyrenulaceae Pyrolaceae Advertise Here

Plant List Hello world!  Free of charge, is my list of plant species, families and codes, including photos and descriptions. I am adding to this site daily.  Please browse my site for your plant based on scientific name, common name, family name, or code!   Advertise Here The Polygonaceae Family Common Name Scientific Name Code n/a Antigonon flavescens S. Wats. [excluded] ANFL8 n/a Calligonum aphyllum (Pall.) Gurke CAAP8 n/a Calligonum caput-medusae Schrenk CACA84 n/a Calligonum leucocladum (Schrenk) Bunge CALE47 n/a Calligonum Lour. CALLI14 n/a Calligonum microcarpum I. G. Borshch. CAMI45 n/a Eriogonum ?blissianum Mason [arborescens ? giganteum] ERBL3 n/a Eriogonum ?duchesnense Reveal (pro sp.) [brevicaule ? corymbosum] ERDU2 n/a Eriogonum ?nebraskense Rydb. (pro sp.) ERNE6 n/a Eriogonum hastatum Wiggins [excluded] ERHA4 n/a Eriogonum jamesii Benth. var. rupicola Reveal ERJAR n/a Eriogonum lonchophyllum Torr. & Gray var. intermontanum (Reveal) Reveal ERLOI n/a Eriogonum lonchophyllum Torr. & Gray var. nudicaule (Torr.) Reveal ERLON n/a Eriogonum longifolium Nutt. var. lindheimeri Gandog. ERLOL5 n/a Eriogonum molle Greene ERMO13 n/a Eriogonum pelinophilum Reveal ERPE10 n/a Eriogonum phoeniceum L. Shultz ERPH4 n/a Eriogonum umbellatum Torr. var. porteri (Small) S. Stokes ERUMP2 n/a Johanneshowellia Reveal JOHAN n/a Polygonum equisetiforme Sm. POEQ2 n/a Polygonum minus Huds. var. minus (Danser) Steward POMIM2 n/a Polygonum oxyspermum C.A. Mey. & Bunge ex Ledeb. [excluded] POOX2 n/a Polygonum polycnemoides Jaubert & Spach var. oliveri Jaubert & Spach [excluded] POPOO3 n/a Rumex ?acutus L. (pro sp.) [crispus ? obtusifolius] RUAC6 n/a Rumex ?confusus Simonkai [crispus ? patientia] RUCO7 n/a Rumex ?dissimilis Rech. f. (pro sp.) [crispus ? orbiculatus] RUDI12 n/a Rumex vesicarius L. [excluded] RUVE8 n/a Triplaris Loefl. ex L. TRIPL5 Abert's buckwheat Eriogonum abertianum Torr. ERAB2 Abrams's oxytheca Oxytheca parishii Parry var. abramsii (McGregor) Munz OXPAA acorn buckwheat Eriogonum glandulosum (Nutt.) Nutt. ex Benth. ERGL4 Alaska knotweed Polygonum caurianum B.L. Robins. POCA10 Alaska wild rhubarb Polygonum alpinum All. POAL11 Alexander's buckwheat Eriogonum ochrocephalum S. Wats. var. alexandrae Reveal EROCA alpine bistort Polygonum viviparum L. POVI3 alpine golden buckwheat Eriogonum flavum Nutt. ERFL4 alpine golden buckwheat Eriogonum flavum Nutt. var. aquilinum Reveal ERFLA alpine golden buckwheat Eriogonum flavum Nutt. var. flavum ERFLF alpine golden buckwheat Eriogonum flavum Nutt. var. polyphyllum (Small ex Rydb.) M.E. Jones ERFLP2 alpine mountainsorrel Oxyria digyna (L.) Hill OXDI3 alpine sheep sorrel Rumex paucifolius Nutt. RUPA6 alpine sheep sorrel Rumex paucifolius Nutt. ssp. gracilescens (Rech. f.) Rech. f. RUPAG2 alpine sheep sorrel Rumex paucifolius Nutt. ssp. paucifolius RUPAP alpine slender buckwheat Eriogonum microthecum Nutt. var. alpinum Reveal ERMIA alpine sulphur-flower buckwheat Eriogonum umbellatum Torr. var. minus I.M. Johnston ERUMM2 amamastla Rumex chrysocarpus Moris RUCH3 American bistort Polygonum bistortoides Pursh POBI6 American buckwheat vine Brunnichia ovata (Walt.) Shinners BROV4 anglestem buckwheat Eriogonum angulosum Benth. ERAN3 annual buckwheat Eriogonum annuum Nutt. ERAN4 ant tree Triplaris cumingiana Fisch. & C.A. Mey. ex C.A. Mey. TRCU6 antenoron Antenoron Rafin. ANTEN2 antigonon Antigonon Endl. ANTIG Antigonon guatemalense Antigonon macrocarpum Britt. & Small ANMA11 Antigonon leptopus Corculum leptopum (Hook. & Arn.) Stuntz COLE5 Apache buckwheat Eriogonum heermannii Dur. & Hilg. var. apachense (Reveal) Reveal ERHEA4 arctic dock Rumex arcticus Trautv. RUAR6 arctic dock Rumex arcticus Trautv. var. arcticus RUARA arctic dock Rumex arcticus Trautv. var. perlatus Hult RUARP Aristocapsa insignis Centrostegia insignis (Curran) Heller CEIN5 Aristocapsa insignis Chorizanthe insignis Curran CHIN11 Aristocapsa insignis Oxytheca insignis (Curran) Goodman OXIN6 Arizona buckwheat Eriogonum arizonicum S. Stokes ex M.E. Jones ERAR19 Arizona dock Rumex nematopodus Rech. f. RUNE4 arrowleaf buckwheat Eriogonum compositum Dougl. ex Benth. ERCO12 arrowleaf buckwheat Eriogonum compositum Dougl. ex Benth. var. compositum ERCOC8 arrowleaf buckwheat Eriogonum compositum Dougl. ex Benth. var. lancifolium St. John & Warren ERCOL arrowleaf buckwheat Eriogonum compositum Dougl. ex Benth. var. leianthum Hook. ERCOL2 arrowleaf tearthumb Polygonum sagittatum L. POSA5 Asiatic tearthumb Polygonum perfoliatum L. POPE10 Atwood's buckwheat Eriogonum thompsoniae S. Wats. var. atwoodii Reveal ERTHA2 Austin knotweed Polygonum douglasii Greene ssp. austiniae (Greene) E. Murr. PODOA2 Bahama pigeonplum Coccoloba tenuifolia L. COTE9 Bailey's buckwheat Eriogonum baileyi S. Wats. ERBA7 Bailey's buckwheat Eriogonum baileyi S. Wats. var. baileyi ERBAB Bailey's buckwheat Eriogonum baileyi S. Wats. var. praebens (Gandog.) Reveal ERBAP Baja buckwheat Eriogonum foliosum S. Wats. ERFO4 basalt desert buckwheat Eriogonum codium Reveal, Caplow, & K. Beck ERCO43 bastardsage Eriogonum wrightii Torr. ex Benth. ERWR bastardsage Eriogonum wrightii Torr. ex Benth. var. membranaceum S. Stokes ex Jepson ERWRM bastardsage Eriogonum wrightii Torr. ex Benth. var. nodosum (Small) Reveal ERWRN bastardsage Eriogonum wrightii Torr. ex Benth. var. subscaposum S. Wats. ERWRS bastardsage Eriogonum wrightii Torr. ex Benth. var. trachygonum (Torr. ex Benth.) Jepson ERWRT2 bastardsage Eriogonum wrightii Torr. ex Benth. var. wrightii ERWRW Bateman's buckwheat Eriogonum batemanii M.E. Jones ERBA5 beach knotweed Polygonum paronychia Cham. & Schlecht. POPA7 Bear Valley buckwheat Eriogonum ursinum S. Wats. ERUR3 Beatley's buckwheat Eriogonum rosense A. Nels. & Kennedy var. beatleyae (Reveal) Reveal ERROB Bellard's smartweed Polygonum patulum Bieb. POPA9 bellflower smartweed Polygonum campanulatum Hook. f. POCA20 bellisima grande Antigonon guatemalense Meisn. ANGU BenLomond buckwheat Eriogonum nudum Dougl. ex Benth. var. decurrens (S. Stokes) M.L. Bowerman ERNUD bent two-whorl buckwheat Stenogonum flexum (M.E. Jones) Reveal & J.T. Howell STFL2 Bering Sea dock Rumex beringensis Jurtzev & Petrovsky RUBE4 Bidwell's knotweed Polygonum bidwelliae S. Wats. POBI4 birdnest buckwheat Eriogonum nidularium Coville ERNI4 bitter dock Rumex obtusifolius L. RUOB bitterroot buckwheat Eriogonum chrysops Rydb. ERCH6 black bindweed Polygonum convolvulus L. POCO10 black bindweed Polygonum convolvulus L. var. convolvulus POCOC2 black bindweed Polygonum convolvulus L. var. subulatum Lej. & Court. POCOS Blakley's spineflower Chorizanthe blakleyi Hardham CHBL Blue Mountain buckwheat Eriogonum strictum Benth. ERST4 Blue Mountain buckwheat Eriogonum strictum Benth. ssp. proliferum (Torr. & Gray) S. Stokes ERSTP Blue Mountain buckwheat Eriogonum strictum Benth. ssp. proliferum (Torr. & Gray) S. Stokes var. anserinum (Greene) R.J. Davis ERSTA3 Blue Mountain buckwheat Eriogonum strictum Benth. ssp. proliferum (Torr. & Gray) S. Stokes var. glabrum C.L. Hitchc. ERSTG2 Blue Mountain buckwheat Eriogonum strictum Benth. ssp. proliferum (Torr. & Gray) S. Stokes var. proliferum (Torr. & Gray) C.L. Hitchc. ERSTP3 Blue Mountain buckwheat Eriogonum strictum Benth. ssp. strictum ERSTS3 bog smartweed Polygonum setaceum Baldw. POSE6 Bohemian knotweed Polygonum ?bohemicum (J. Chrtek & Chrtkov?) Zika & Jacobson [cuspidatum x sachalinense] POBO10 Bolander's knotweed Polygonum bolanderi Brewer ex Gray POBO3 box knotweed Polygonum buxiforme Small POBU2 branched tearthumb Polygonum meisnerianum Cham. & Schlecht. POME4 branched tearthumb Polygonum meisnerianum Cham. & Schlecht. var. beyrichianum (Cham. & Schlecht.) Meisn. POMEB Brandegee's buckwheat Eriogonum brandegeei Rydb. ERBR9 bridle buckwheat Eriogonum meledonum Reveal ERME6 brittle spineflower Chorizanthe brevicornu Torr. CHBR brittle spineflower Chorizanthe brevicornu Torr. var. brevicornu CHBRB brittle spineflower Chorizanthe brevicornu Torr. var. spathulata (Small ex Rydb.) C.L. Hitchc. CHBRS broadleaf knotweed Polygonum minimum S. Wats. POMI2 Browne's dock Rumex brownei Campd. RUBR2 brownmargin buckwheat Eriogonum ovalifolium Nutt. var. eximium (Tidestrom) J.T. Howell EROVE Brunnichia ovata Brunnichia cirrhosa Gaertn. BRCI3 Brunnichia ovata Rajania ovata Walt. RAOV buckwheat Eriogonum Michx. ERIOG buckwheat Fagopyrum esculentum Moench FAES2 buckwheat Fagopyrum P. Mill. FAGOP2 buckwheat Stenogonum Nutt. STENO5 buckwheat vine Brunnichia Banks ex Gaertn. BRUNN Bukhara fleeceflower Polygonum baldschuanicum Regel POBA3 Bull Mountain buckwheat Eriogonum cronquistii Reveal ERCR5 Bunge's smartweed Polygonum bungeanum Turcz. POBU3 bushy buckwheat Eriogonum suffruticosum S. Wats. ERSU8 bushy knotweed Polygonum ramosissimum Michx. PORA3 bushy knotweed Polygonum ramosissimum Michx. var. prolificum Small PORAP bushy knotweed Polygonum ramosissimum Michx. var. ramosissimum PORAR Butterworth's buckwheat Eriogonum butterworthianum J.T. Howell ERBU2 Cache Valley buckwheat Eriogonum loganum A. Nels. ERLO3 California knotweed Polygonum californicum Meisn. POCA7 California spineflower Mucronea californica Benth. MUCA3 canaigre dock Rumex hymenosepalus Torr. RUHY Carey's smartweed Polygonum careyi Olney POCA8 Cascade knotweed Polygonum cascadense W.H. Baker POCA9 centrostegia Centrostegia Gray ex Benth. CENTR4 Centrostegia thurberi Centrostegia thurberi Gray ex Benth. var. macrotheca (J.T. Howell) Goodman CETHM Centrostegia thurberi Chorizanthe thurberi (Gray ex Benth.) S. Wats. CHTH5 Centrostegia thurberi Chorizanthe thurberi (Gray ex Benth.) S. Wats. var. macrotheca J.T. Howell CHTHM chaparral buckwheat Eriogonum dasyanthemum Torr. & Gray ERDA2 chickweed oxytheca Oxytheca caryophylloides Parry OXCA3 Chinese knotweed Polygonum chinense L. POCH6 Chinese rhubarb Rheum officinale Baillon RHOF Chinese rhubarb Rheum palmatum L. RHPA7 Chiricahua Mountain dock Rumex orthoneurus Rech. f. RUOR3 Chisos Mountain buckwheat Eriogonum hemipterum (Torr.) S. Stokes ERHE8 Chorizanthe angustifolia Chorizanthe angustifolia Nutt. var. eastwoodiae Goodman CHANE Chorizanthe biloba var. biloba Chorizanthe palmeri S. Wats. var. biloba (Goodman) Munz CHPAB Chorizanthe brevicornu var. spathulata Chorizanthe brevicornu Torr. ssp. spathulata (Small ex Rydb.) Munz CHBRS3 Chorizanthe brevicornu var. spathulata Chorizanthe spathulata Small ex Rydb. CHSP7 Chorizanthe corrugata Acanthogonum corrugatum Torr. ACCO6 Chorizanthe cuspidata var. cuspidata Chorizanthe cuspidata S. Wats. var. marginata Goodman CHCUM Chorizanthe cuspidata var. villosa Chorizanthe villosa Eastw. CHVI14 Chorizanthe diffusa Chorizanthe diffusa Benth. var. nivea (Curran) Hoover CHDIN Chorizanthe diffusa Chorizanthe nivea (Curran) Heller CHNI6 Chorizanthe diffusa Chorizanthe pungens Benth. var. nivea Curran CHPUN Chorizanthe fimbriata var. laciniata Chorizanthe laciniata Torr. CHLA17 Chorizanthe membranacea Eriogonella membranacea (Benth.) Goodman ERME11 Chorizanthe parryi var. fernandina Chorizanthe fernandina S. Wats. CHFE6 Chorizanthe polygonoides var. longispina Acanthogonum polygonoides (Torr. & Gray) Goodman var. longispinum Goodman ACPOL Chorizanthe polygonoides var. longispina Chorizanthe polygonoides Torr. & Gray ssp. longispina (Goodman) Munz CHPOL2 Chorizanthe polygonoides var. polygonoides Acanthogonum polygonoides (Torr. & Gray) Goodman ACPO6 Chorizanthe procumbens Chorizanthe jonesiana Goodman CHJO4 Chorizanthe procumbens Chorizanthe procumbens Nutt. var. albiflora Goodman CHPRA Chorizanthe procumbens Chorizanthe uncinata Nutt. CHUN2 Chorizanthe rigida Acanthogonum rigidum Torr. ACRI2 Chorizanthe robusta var. hartwegii Chorizanthe douglasii Benth. var. hartwegii Benth. CHDOH Chorizanthe robusta var. hartwegii Chorizanthe pungens Benth. var. hartwegii (Benth.) Goodman CHPUH Chorizanthe spinosa Eriogonella spinosa (S. Wats.) Goodman ERSP11 Chorizanthe staticoides Chorizanthe chrysacantha Goodman CHCH9 Chorizanthe staticoides Chorizanthe chrysacantha Goodman var. compacta Goodman CHCHC2 Chorizanthe staticoides Chorizanthe discolor Nutt. CHDI7 Chorizanthe staticoides Chorizanthe staticoides Benth. ssp. chrysacantha (Goodman) Munz CHSTC2 Chorizanthe staticoides Chorizanthe staticoides Benth. var. brevispina Goodman CHSTB Chorizanthe staticoides Chorizanthe staticoides Benth. var. elata Goodman CHSTE Chorizanthe staticoides Chorizanthe staticoides Benth. var. latiloba Goodman CHSTL Chorizanthe ventricosa Chorizanthe palmeri S. Wats. var. ventricosa (Goodman) Munz CHPAV3 Chorizanthe xanti var. leucotheca Chorizanthe xanti S. Wats. ssp. leucotheca (Goodman) Munz CHXAL2 Churchill Narrows buckwheat Eriogonum diatomaceum Reveal, J. Reynolds & Picciani ERDI18 Cienega Seca oxytheca Oxytheca parishii Parry var. cienegensis Ertter OXPAC Cimarron buckwheat Eriogonum aliquantum Reveal ERAL11 Cithara buckwheat Eriogonum cithariforme S. Wats. ERCI8 Cithara buckwheat Eriogonum cithariforme S. Wats. var. agninum (Greene) Reveal ERCIA Cithara buckwheat Eriogonum cithariforme S. Wats. var. cithariforme ERCIC3 Clark Mountain buckwheat Eriogonum heermannii Dur. & Hilg. var. floccosum Munz ERHEF clay buckwheat Eriogonum argillosum J.T. Howell ERAR9 clay hill buckwheat Eriogonum viridulum Reveal ERVI13 Cleveland's spineflower Chorizanthe clevelandii Parry CHCL2 cliff buckwheat Eriogonum scopulorum Reveal ERSC5 climbing false buckwheat Polygonum scandens L. POSC3 climbing false buckwheat Polygonum scandens L. var. cristatum (Engelm. & Gray) Gleason POSCC climbing false buckwheat Polygonum scandens L. var. dumetorum (L.) Gleason POSCD climbing false buckwheat Polygonum scandens L. var. scandens POSCS Clokey's buckwheat Eriogonum heermannii Dur. & Hilg. var. clokeyi Reveal ERHEC clustered dock Rumex conglomeratus Murr. RUCO2 coastal buckwheat Eriogonum cinereum Benth. ERCI5 coastal jointweed Polygonella articulata (L.) Meisn. POAR4 coccoloba Coccoloba P. Br. COCCO Coccoloba costata Coccoloba rupicola Urban CORU10 Coccoloba diversifolia Coccoloba floridana Meissn. COFL12 Coccoloba diversifolia Coccoloba laurifolia auct. non Jacq. [misapplied] COLA10 Coccoloba microstachya Coccoloba obtusifolia auct. non Jacq. [misapplied] COOB5 Coccoloba pubescens Coccoloba grandifolia Jacq. COGR12 Coccoloba swartzii Coccoloba borinquensis Britt. COBO4 Coccoloba swartzii Coccoloba swartzii Meisn. var. portoricensis Meisn. COSWP Coccoloba uvifera Polygonum uvifera L. POUV3 Colorado buckwheat Eriogonum coloradense Small ERCO11 Colorado Desert buckwheat Eriogonum deserticola S. Wats. ERDE9 Comb Wash buckwheat Eriogonum clavellatum Small ERCL2 common knotweed Polygonum plebeium R. Br. POPL9 common sheep sorrel Rumex acetosella L. RUAC3 Conejo buckwheat Eriogonum crocatum A. Davids. ERCR3 Congdon's buckwheat Eriogonum congdonii (S. Stokes) Reveal ERCO19 coral vine Antigonon leptopus Hook. & Arn. ANLE4 Correll's buckwheat Eriogonum correllii Reveal ERCO21 Cottam's buckwheat Eriogonum brevicaule Nutt. var. cottamii (S. Stokes) Reveal ERBRC cottonheads Nemacaulis denudata Nutt. NEDE cottonheads Nemacaulis denudata Nutt. var. denudata NEDED cottonheads Nemacaulis denudata Nutt. var. gracilis Goodman & L. Benson NEDEG cottonheads Nemacaulis Nutt. NEMAC cottony buckwheat Eriogonum gossypinum Curran ERGO2 Coville's buckwheat Eriogonum covilleanum Eastw. ERCO17 crescent buckwheat Eriogonum mensicola S. Stokes ERME10 crispleaf buckwheat Eriogonum corymbosum Benth. ERCO14 crispleaf buckwheat Eriogonum corymbosum Benth. var. aureum (M.E. Jones) Reveal ERCOA crispleaf buckwheat Eriogonum corymbosum Benth. var. corymbosum ERCOC9 crispleaf buckwheat Eriogonum corymbosum Benth. var. glutinosum (M.E. Jones) M.E. Jones ERCOG2 crispleaf buckwheat Eriogonum corymbosum Benth. var. orbiculatum (S. Stokes) Reveal & Brotherson ERCOO crispleaf buckwheat Eriogonum corymbosum Benth. var. velutinum Reveal ERCOV Crosby's buckwheat Eriogonum crosbyae Reveal ERCR10 cultivated knotweed Polygonum polystachyum Wallich ex Meisn. POPO5 curly dock Rumex crispus L. RUCR curly dock Rumex crispus L. ssp. crispus RUCRC curly dock Rumex crispus L. ssp. fauriei (Rech. f.) Mosyakin and W.L. Wagner RUCRF curlytop knotweed Polygonum lapathifolium L. POLA4 Cushenbury buckwheat Eriogonum ovalifolium Nutt. var. vineum (Small) Jepson EROVV Cushenbury oxytheca Oxytheca parishii Parry var. goodmaniana Ertter OXPAG cushion buckwheat Eriogonum ovalifolium Nutt. EROV cushion buckwheat Eriogonum ovalifolium Nutt. var. caelestinum Reveal EROVC cushion buckwheat Eriogonum ovalifolium Nutt. var. depressum Blank. EROVD cushion buckwheat Eriogonum ovalifolium Nutt. var. nivale (Canby) M.E. Jones EROVN cushion buckwheat Eriogonum ovalifolium Nutt. var. ochroleucum (Small ex Rydb.) M.E. Peck EROVO4 cushion buckwheat Eriogonum ovalifolium Nutt. var. ovalifolium EROVO5 cushion buckwheat Eriogonum ovalifolium Nutt. var. pansum Reveal EROVP cushion buckwheat Eriogonum ovalifolium Nutt. var. purpureum (Nutt.) Dur. EROVP2 Cusick's buckwheat Eriogonum cusickii M.E. Jones ERCU3 Darrow's buckwheat Eriogonum darrovii Kearney ERDA Davidson's buckwheat Eriogonum davidsonii Greene ERDA4 Davis's knotweed Polygonum davisiae Brewer ex Gray PODA Del Norte buckwheat Eriogonum nudum Dougl. ex Benth. var. paralinum Reveal ERNUP denseflower knotweed Polygonum glabrum Willd. POGL10 denseflowered dock Rumex densiflorus Osterhout RUDE2 desert trumpet Eriogonum inflatum Torr. & Fr?m. ERIN4 desert trumpet Eriogonum inflatum Torr. & Fr?m. var. deflatum I.M. Johnston ERIND desert trumpet Eriogonum inflatum Torr. & Fr?m. var. inflatum ERINI4 devil's spineflower Chorizanthe rigida (Torr.) Torr. & Gray CHRI diffuse spineflower Chorizanthe diffusa Benth. CHDI3 divergent buckwheat Eriogonum divaricatum Hook. ERDI5 dock Rumex L. RUMEX Dodecahema leptoceras Centrostegia leptoceras Gray ex Benth. CELE4 Dodecahema leptoceras Chorizanthe leptoceras (Gray ex Benth.) S. Wats. CHLE11 Dodecahema leptoceras Eriogonella leptoceras (Gray ex Benth.) Goodman ERLE2 dogtongue buckwheat Eriogonum tomentosum Michx. ERTO2 Donner Pass buckwheat Eriogonum umbellatum Torr. var. torreyanum (Gray) M.E. Jones ERUMT dooryard dock Rumex longifolius DC. RULO2 dotted smartweed Polygonum punctatum Ell. POPU5 dotted smartweed Polygonum punctatum Ell. var. confertiflorum (Meisn.) Fassett POPUC2 dotted smartweed Polygonum punctatum Ell. var. punctatum POPUP4 Douglas's buckwheat Eriogonum douglasii Benth. ERDO Douglas's buckwheat Eriogonum douglasii Benth. var. douglasii ERDOD Douglas's buckwheat Eriogonum douglasii Benth. var. sublineare (S. Stokes) Reveal ERDOS Douglas's knotweed Polygonum douglasii Greene PODO4 Douglas's knotweed Polygonum douglasii Greene ssp. douglasii PODOD4 dropleaf buckwheat Eriogonum exilifolium Reveal EREX2 Dubakella Mountain buckwheat Eriogonum libertini Reveal ERLI4 Dugway buckwheat Eriogonum nutans Torr. & Gray ERNU5 Dugway buckwheat Eriogonum nutans Torr. & Gray var. glabratum Reveal ERNUG Dugway buckwheat Eriogonum nutans Torr. & Gray var. nutans ERNUN2 Eastern Mojave buckwheat Eriogonum fasciculatum Benth. ERFA2 Eastern Mojave buckwheat Eriogonum fasciculatum Benth. var. fasciculatum ERFAF3 Eastern Mojave buckwheat Eriogonum fasciculatum Benth. var. flavoviride Munz & Johnston ERFAF Eastern Mojave buckwheat Eriogonum fasciculatum Benth. var. foliolosum (Nutt.) S. Stokes ex Abrams ERFAF2 Eastern Mojave buckwheat Eriogonum fasciculatum Benth. var. polifolium (Benth.) Torr. & Gray ERFAP Eastwood's buckwheat Eriogonum eastwoodianum J.T. Howell EREA2 elegant buckwheat Eriogonum elegans Greene EREL8 Elsinore buckwheat Eriogonum ostlundii M.E. Jones EROS Emex spinosa Rumex spinosus L. RUSP9 Engelmann's knotweed Polygonum douglasii Greene ssp. engelmannii (Greene) Kartesz & Gandhi PODOE ephedra buckwheat Eriogonum ephedroides Reveal EREP erect knotweed Polygonum erectum L. POER2 Eriogonum ?duchesnense Eriogonum corymbosum Benth. var. albogilvum Reveal ERCOA4 Eriogonum ?nebraskense Eriogonum pauciflorum Pursh var. nebraskense (Rydb.) Reveal ERPAN Eriogonum abertianum Eriogonum abertianum Torr. var. abertianum Torr. [superfluous autonym] ERABA Eriogonum abertianum Eriogonum abertianum Torr. var. cyclosepalum (Greene) Fosberg ERABC Eriogonum abertianum Eriogonum abertianum Torr. var. gillespiei Fosberg ERABG Eriogonum abertianum Eriogonum abertianum Torr. var. neomexicanum Gandog. ERABN Eriogonum abertianum Eriogonum abertianum Torr. var. villosum Fosberg ERABV Eriogonum abertianum Eriogonum cyclosepalum Greene ERCY3 Eriogonum acaule Eriogonum caespitosum Nutt. var. acaule (Nutt.) R.J. Davis ERCAA4 Eriogonum alatum var. alatum Eriogonum alatum Torr. ssp. triste (S. Wats.) S. Stokes ERALT2 Eriogonum alatum var. alatum Eriogonum triste S. Wats. ERTR18 Eriogonum alatum var. alatum Pterogonum alatum (Torr.) Gross. PTAL3 Eriogonum ammophilum Eriogonum nummulare M.E. Jones var. ammophilum (Reveal) Welsh ERNUA2 Eriogonum ampullaceum Eriogonum mohavense S. Wats. ssp. ampullaceum (J.T. Howell) S. Stokes ERMOA Eriogonum androsaceum Eriogonum flavum Nutt. var. androsaceum (Benth.) M.E. Jones ERFLA2 Eriogonum anemophilum Eriogonum ochrocephalum S. Wats. ssp. anemophilum (Greene) S. Stokes EROCA2 Eriogonum baileyi var. baileyi Eriogonum vimineum Dougl. ex Benth. var. baileyi (S. Wats.) R.J. Davis ERVIB Eriogonum baileyi var. praebens Eriogonum baileyi S. Wats. var. divaricatum (Gandog.) Reveal ERBAD Eriogonum baileyi var. praebens Eriogonum commixtum Greene ex Tidestrom ERCO36 Eriogonum baileyi var. praebens Eriogonum praebens Gandog. ERPR15 Eriogonum baileyi var. praebens Eriogonum vimineum Dougl. ex Benth. var. commixtum (Greene ex Tidestrom) S. Stokes ERVIC Eriogonum brachyanthum Eriogonum baileyi S. Wats. var. brachyanthum (Coville) Jepson ERBAB2 Eriogonum brachypodum Eriogonum deflexum Torr. var. brachypodum (Torr. & Gray) Munz ERDEB2 Eriogonum brachypodum Eriogonum parryi Gray ERPA20 Eriogonum breedlovei var. breedlovei Eriogonum ochrocephalum S. Wats. var. breedlovei J.T. Howell EROCB Eriogonum brevicaule var. brevicaule Eriogonum brevicaule Nutt. ssp. grangerense (M.E. Jones) S. Stokes ERBRG Eriogonum brevicaule var. brevicaule Eriogonum brevicaule Nutt. var. wasatchense (M.E. Jones) Reveal ERBRW Eriogonum brevicaule var. brevicaule Eriogonum campanulatum Nutt. ERCA18 Eriogonum brevicaule var. brevicaule Eriogonum nudicaule (Torr.) Small ssp. garrettii S. Stokes ERNUG2 Eriogonum brevicaule var. brevicaule Eriogonum nudicaule (Torr.) Small ssp. parleyense S. Stokes ERNUP5 Eriogonum brevicaule var. brevicaule Eriogonum wasatchense M.E. Jones ERWA9 Eriogonum brevicaule var. cottamii Eriogonum tenellum Torr. ssp. cottamii S. Stokes ERTEC Eriogonum brevicaule var. laxifolium Eriogonum brevicaule Nutt. var. nanum (Reveal) Welsh ERBRN Eriogonum brevicaule var. laxifolium Eriogonum brevicaule Nutt. var. promiscuum Welsh ERBRP2 Eriogonum brevicaule var. laxifolium Eriogonum chrysocephalum Gray ERCH13 Eriogonum brevicaule var. laxifolium Eriogonum chrysocephalum Gray ssp. bannockense S. Stokes ERCHB2 Eriogonum brevicaule var. laxifolium Eriogonum grayi Reveal ERGR13 Eriogonum brevicaule var. laxifolium Eriogonum nanum Reveal ERNA3 Eriogonum brevicaule var. laxifolium Eriogonum nudicaule (Torr.) Small ssp. angustum (M.E. Jones) S. Stokes ERNUA3 Eriogonum brevicaule var. laxifolium Eriogonum nudicaule (Torr.) Small ssp. pumilum (S. Stokes) S. Stokes ERNUP6 Eriogonum brevicaule var. micranthum Eriogonum brevicaule Nutt. ssp. orendense (A. Nels.) S. Stokes ERBRO Eriogonum caespitosum Eriogonum sphaerocephalum Dougl. ex Benth. var. sericoleucum (Greene) S. Stokes ERSPS6 Eriogonum cernuum var. cernuum Eriogonum cernuum Nutt. ssp. tenue (Torr. & Gray) S. Stokes ERCET Eriogonum cernuum var. cernuum Eriogonum cernuum Nutt. var. tenue Torr. & Gray ERCET2 Eriogonum cernuum var. viminale Eriogonum cernuum Nutt. ssp. viminale S. Stokes ERCEV2 Eriogonum chrysops Eriogonum ovalifolium Nutt. ssp. chrysops (Rydb.) S. Stokes ex M.E. Peck EROVC3 Eriogonum cithariforme var. agninum Eriogonum gracile Benth. var. polygonoides (S. Stokes) Munz ERGRP4 Eriogonum cithariforme var. cithariforme Eriogonum gracile Benth. var. cithariforme (S. Wats.) Munz ERGRC5 Eriogonum compositum var. leianthum Eriogonum umbellatum Torr. var. monocephalum Torr. & Gray ERUMM5 Eriogonum compositum var. leianthum Eriogonum umbellatum Torr. var. tolmieanum (Hook.) M.E. Jones ERUMT2 Eriogonum congdonii Eriogonum ternatum T.J. Howell var. congdonii (S. Stokes) J.T. Howell ERTEC2 Eriogonum contiguum Eriogonum inflatum Torr. & Fr?m. var. contiguum Reveal ERINC2 Eriogonum corymbosum var. aureum Eriogonum aureum M.E. Jones ERAU4 Eriogonum corymbosum var. aureum Eriogonum aureum M.E. Jones var. glutinosum M.E. Jones ERAUG Eriogonum corymbosum var. aureum Eriogonum effusum Nutt. ssp. nelsonii (L.O. Williams) S. Stokes EREFN Eriogonum corymbosum var. aureum Eriogonum microthecum Nutt. var. crispum (L.O. Williams) S. Stokes ERMIC3 Eriogonum corymbosum var. corymbosum Eriogonum corymbosum Benth. var. divaricatum Torr. & Gray ERCOD3 Eriogonum corymbosum var. corymbosum Eriogonum corymbosum Benth. var. erectum Reveal & Brotherson ERCOE Eriogonum corymbosum var. corymbosum Eriogonum corymbosum Benth. var. revealianum (Welsh) Reveal ERCOR Eriogonum corymbosum var. corymbosum Eriogonum divergens Small ERDI13 Eriogonum corymbosum var. corymbosum Eriogonum effusum Nutt. ssp. durum S. Stokes EREFD Eriogonum corymbosum var. corymbosum Eriogonum effusum Nutt. ssp. salinum (A. Nels.) S. Stokes EREFS Eriogonum corymbosum var. corymbosum Eriogonum revealianum Welsh ERRE9 Eriogonum corymbosum var. corymbosum Eriogonum salinum A. Nels. ERSA16 Eriogonum corymbosum var. orbiculatum Eriogonum effusum Nutt. ssp. orbiculatum S. Stokes EREFO Eriogonum cronquistii Eriogonum corymbosum Benth. var. cronquistii (Reveal) Welsh ERCOC10 Eriogonum cusickii Eriogonum chrysocephalum Gray ssp. cusickii (M.E. Jones) S. Stokes ERCHC2 Eriogonum davidsonii Eriogonum molestum S. Wats. var. davidsonii (Greene) Jepson ERMOD Eriogonum davidsonii Eriogonum vimineum Dougl. ex Benth. ssp. juncinellum (Gandog.) S. Stokes ERVIJ Eriogonum deflexum var. baratum Eriogonum barbatum Elmer ERBA8 Eriogonum deflexum var. baratum Eriogonum deflexum Torr. ssp. baratum (Elmer) Munz ERDEB3 Eriogonum deflexum var. deflexum Eriogonum clutei Rydb. ERCL4 Eriogonum deflexum var. deflexum Eriogonum deflexum Torr. var. turbinatum (Small) Reveal ERDET Eriogonum deflexum var. deflexum Eriogonum turbinatum Small ERTU3 Eriogonum desertorum Eriogonum brevicaule Nutt. var. desertorum (Maguire) Welsh ERBRD Eriogonum desertorum Eriogonum chrysocephalum Gray ssp. desertorum Maguire ERCHD Eriogonum douglasii var. douglasii Eriogonum caespitosum Nutt. var. douglasii (Benth.) M.E. Jones ERCAD Eriogonum douglasii var. sublineare Eriogonum douglasii Benth. var. tenue (Small) C.L. Hitchc. ERDOT Eriogonum douglasii var. sublineare Eriogonum strictum Benth. var. tenue (Small) S. Stokes ERSTT2 Eriogonum douglasii var. sublineare Eriogonum tenue Small ERTE16 Eriogonum eastwoodianum Eriogonum covilleanum Eastw. ssp. adsurgens (Jepson) Abrams ERCOA5 Eriogonum effusum var. effusum Eriogonum microthecum Nutt. var. effusum (Nutt.) Torr. & Gray ERMIE Eriogonum elatum var. villosum Eriogonum elatum Dougl. ex Benth. ssp. villosum (Jepson) Munz ex Reveal ERELV2 Eriogonum elegans Eriogonum baileyi S. Wats. ssp. elegans (Greene) Munz ERBAE Eriogonum elongatum Eriogonum elongatum Benth. var. elongatum Benth. [superfluous autonym] ERELE3 Eriogonum ephedroides Eriogonum brevicaule Nutt. var. ephedroides (Reveal) Welsh ERBRE2 Eriogonum eremicum Eriogonum batemanii M.E. Jones var. eremicum (Reveal) Welsh ERBAE2 Eriogonum ericifolium var. ericifolium Eriogonum mearnsii Parry ERME9 Eriogonum fasciculatum var. flavoviride Eriogonum fasciculatum Benth. ssp. flavoviride (Munz & Johnston) S. Stokes ERFAF4 Eriogonum fasciculatum var. foliolosum Eriogonum fasciculatum Benth. ssp. foliolosum (Nutt.) S. Stokes ERFAF5 Eriogonum fasciculatum var. foliolosum Eriogonum rosmarinifolium Nutt. var. foliolosum Nutt. ERROF Eriogonum fasciculatum var. polifolium Eriogonum fasciculatum Benth. ssp. polifolium (Benth.) S. Stokes ERFAP2 Eriogonum fasciculatum var. polifolium Eriogonum fasciculatum Benth. var. revolutum (Goodding) S. Stokes ERFAR Eriogonum fasciculatum var. polifolium Eriogonum polifolium Benth. ERPO11 Eriogonum flavum var. flavum Eriogonum flavum Nutt. ssp. crassifolium (Benth.) S. Stokes ERFLC Eriogonum flavum var. flavum Eriogonum flavum Nutt. var. crassifolium (Benth.) Benth. ERFLC2 Eriogonum flavum var. piperi Eriogonum flavum Nutt. ssp. piperi (Greene) S. Stokes ERFLP3 Eriogonum flavum var. piperi Eriogonum flavum Nutt. var. linguifolium Gandog. ERFLL Eriogonum flavum var. piperi Eriogonum piperi Greene ERPI10 Eriogonum flavum var. polyphyllum Eriogonum polyphyllum Small ex Rydb. ERPO10 Eriogonum fusiforme Eriogonum inflatum Torr. & Fr?m. var. fusiforme (Small) Reveal ERINF Eriogonum giganteum var. compactum Eriogonum giganteum S. Wats. ssp. compactum (Dunkle) Munz ERGIC2 Eriogonum giganteum var. formosum Eriogonum giganteum S. Wats. ssp. formosum (Brandeg.) Raven ERGIF2 Eriogonum glandulosum Eriogonum carneum (J.T. Howell) Reveal ERCA26 Eriogonum glandulosum Eriogonum glandulosum (Nutt.) Nutt. ex Benth. var. carneum J.T. Howell ERGLC2 Eriogonum glandulosum Oxytheca glandulosa Nutt. OXGL3 Eriogonum gracilipes Eriogonum kennedyi Porter ex S. Wats. ssp. gracilipes (S. Wats.) S. Stokes ERKEG Eriogonum gracilipes Eriogonum ochrocephalum S. Wats. var. gracilipes (S. Wats.) J.T. Howell EROCG Eriogonum grande var. grande Eriogonum latifolium Sm. ssp. grande (Greene) S. Stokes ERLAG2 Eriogonum grande var. rubescens Eriogonum grande Greene ssp. rubescens (Greene) Munz ERGRR2 Eriogonum grande var. rubescens Eriogonum grande Greene var. dunklei Reveal ERGRD Eriogonum grande var. rubescens Eriogonum latifolium Sm. var. rubescens (Greene) S. Stokes ERLAR Eriogonum grande var. rubescens Eriogonum rubescens Greene ERRU7 Eriogonum grande var. timorum Eriogonum grande Greene ssp. timorum (Reveal) Munz ERGRT2 Eriogonum havardii Eriogonum leucophyllum Woot. & Standl. ERLE16 Eriogonum heermannii var. apachense Eriogonum apachense Reveal ERAP3 Eriogonum heermannii var. argense Eriogonum heermannii Dur. & Hilg. ssp. argense (M.E. Jones) Munz ERHEA3 Eriogonum heermannii var. argense Eriogonum howellii S. Stokes ERHO15 Eriogonum heermannii var. argense Eriogonum sulcatum S. Wats. var. argense M.E. Jones ERSUA Eriogonum heermannii var. floccosum Eriogonum heermannii Dur. & Hilg. ssp. floccosum (Munz) Munz ERHEF2 Eriogonum heermannii var. humilius Eriogonum heermannii Dur. & Hilg. ssp. humilius S. Stokes ERHEH4 Eriogonum heermannii var. subracemosum Eriogonum howellii S. Stokes var. subracemosum S. Stokes ERHOS Eriogonum heermannii var. sulcatum Eriogonum heermannii Dur. & Hilg. ssp. sulcatum (S. Wats.) S. Stokes ERHES3 Eriogonum heermannii var. sulcatum Eriogonum sulcatum S. Wats. ERSU12 Eriogonum helichrysoides Eriogonum effusum Nutt. var. rosmarinoides Benth. EREFR Eriogonum heracleoides var. angustifolium Eriogonum angustifolium Nutt. ERAN10 Eriogonum heracleoides var. heracleoides Eriogonum heracleoides Nutt. var. minus Benth. ERHEM Eriogonum hieraciifolium Eriogonum pannosum Woot. & Standl. ERPA23 Eriogonum hirtiflorum Oxytheca hirtiflora (Gray ex S. Wats.) Greene OXHI4 Eriogonum hoffmannii var. robustius Eriogonum hoffmannii S. Stokes ssp. robustius (S. Stokes) Munz ERHOR2 Eriogonum hylophilum Eriogonum corymbosum Benth. var. hylophilum (Reveal & Brotherson) Welsh ERCOH2 Eriogonum incanum Eriogonum marifolium Torr. & Gray var. incanum (Torr. & Gray) M.E. Jones ERMAI Eriogonum inerme var. hispidulum Eriogonum inerme (S. Wats.) Jepson ssp. hispidulum (Goodman) Munz ERINH2 Eriogonum inerme var. inerme Oxytheca inermis S. Wats. OXIN7 Eriogonum insigne Eriogonum deflexum Torr. ssp. exaltatum (M.E. Jones) S. Stokes ERDEE2 Eriogonum insigne Eriogonum deflexum Torr. ssp. insigne (S. Wats.) S. Stokes ERDEI2 Eriogonum insigne Eriogonum exaltatum M.E. Jones EREX Eriogonum jamesii var. flavescens Eriogonum arcuatum Greene ERAR25 Eriogonum jamesii var. flavescens Eriogonum bakeri Greene ERBA9 Eriogonum jamesii var. flavescens Eriogonum jamesii Benth. var. higginsii Welsh ERJAH Eriogonum jamesii var. undulatum Eriogonum undulatum Benth. ERUN7 Eriogonum jamesii var. xanthum Eriogonum flavum Nutt. var. xanthum (Small) S. Stokes ERFLX Eriogonum jamesii var. xanthum Eriogonum xanthum Small ERXA Eriogonum kennedyi var. alpigenum Eriogonum kennedyi Porter ex S. Wats. ssp. alpigenum (Munz & Johnston) Munz ERKEA3 Eriogonum kennedyi var. austromontanum Eriogonum kennedyi Porter ex S. Wats. ssp. austromontanum (Munz & Johnston) S. Stokes ERKEA4 Eriogonum lachnogynum Eriogonum tetraneuris Small ERTE17 Eriogonum lagopus Eriogonum brevicaule Nutt. var. canum (S. Stokes) Dorn ERBRC2 Eriogonum lagopus Eriogonum multiceps Nees ssp. canum S. Stokes ERMUC Eriogonum lagopus Eriogonum pauciflorum Pursh var. canum (S. Stokes) Reveal ERPAC Eriogonum lancifolium Eriogonum corymbosum Benth. var. davidsei Reveal ERCOD2 Eriogonum latens Eriogonum elatum Dougl. ex Benth. ssp. glabrescens S. Stokes ERELG Eriogonum latens Eriogonum monticola S. Stokes ERMO11 Eriogonum leptocladon var. leptocladon Eriogonum effusum Nutt. var. shandsii S. Stokes EREFS2 Eriogonum leptocladon var. ramosissimum Eriogonum ramosissimum Eastw. ERRA9 Eriogonum leptophyllum Eriogonum effusum Nutt. var. leptophyllum Torr. & Gray EREFL Eriogonum loganum Eriogonum brevicaule Nutt. var. loganum (A. Nels.) Welsh ERBRL2 Eriogonum lonchophyllum var. fendlerianum Eriogonum ainsliei Standl. ERAI2 Eriogonum lonchophyllum var. fendlerianum Eriogonum fendlerianum (Benth.) Small ERFE Eriogonum lonchophyllum var. intermontanum Eriogonum intermontanum Reveal ERIN11 Eriogonum lonchophyllum var. lonchophyllum Eriogonum corymbosum Benth. var. humivagans (Reveal) Welsh ERCOH3 Eriogonum lonchophyllum var. lonchophyllum Eriogonum humivagans Reveal ERHU2 Eriogonum lonchophyllum var. lonchophyllum Eriogonum lonchophyllum Torr. & Gray var. saurinum (Reveal) Welsh ERLOS Eriogonum lonchophyllum var. lonchophyllum Eriogonum salicinum Greene ERSA13 Eriogonum lonchophyllum var. lonchophyllum Eriogonum sarothriforme Gandog. ERSA12 Eriogonum lonchophyllum var. lonchophyllum Eriogonum saurinum Reveal ERSA10 Eriogonum lonchophyllum var. lonchophyllum Eriogonum scoparium Small ERSC8 Eriogonum lonchophyllum var. lonchophyllum Eriogonum tristichum Small ERTR10 Eriogonum lonchophyllum var. nudicaule Eriogonum nudicaule (Torr.) Small ERNU9 Eriogonum longifolium var. gnaphalifolium Eriogonum floridanum Small ERFL11 Eriogonum longifolium var. harperi Eriogonum harperi Goodman ERHA2 Eriogonum longifolium var. longifolium Eriogonum longifolium Nutt. var. plantagineum Engelm. & Gray ERLOP Eriogonum longifolium var. longifolium Eriogonum vespinum Shinners ERVE10 Eriogonum luteolum var. caninum Eriogonum caninum (Greene) Munz ERCA27 Eriogonum luteolum var. caninum Eriogonum vimineum Dougl. ex Benth. var. californicum Gandog. ERVIC3 Eriogonum luteolum var. caninum Eriogonum vimineum Dougl. ex Benth. var. caninum Greene ERVIC2 Eriogonum luteolum var. pedunculatum Eriogonum pedunculatum Stokes ERPE15 Eriogonum maculatum Eriogonum angulosum Benth. ssp. maculatum (Heller) S. Stokes ERANM2 Eriogonum maculatum Eriogonum angulosum Benth. var. maculatum (Heller) Jepson ERANM3 Eriogonum maculatum Eriogonum cernuum Nutt. ssp. acutangulum (Gandog.) S. Stokes ERCEA Eriogonum mensicola Eriogonum panamintense Morton ssp. mensicola (S. Stokes) Munz ERPAM2 Eriogonum mensicola Eriogonum panamintense Morton var. mensicola (S. Stokes) Reveal ERPAM Eriogonum microthecum var. ambiguum Eriogonum ambiguum M.E. Jones ERAM8 Eriogonum microthecum var. ambiguum Eriogonum effusum Nutt. var. ambiguum (M.E. Jones) S. Stokes EREFA Eriogonum microthecum var. ambiguum Eriogonum microthecum Nutt. ssp. ambiguum (M.E. Jones) Munz ERMIA5 Eriogonum microthecum var. ambiguum Eriogonum microthecum Nutt. var. expansum S. Stokes ERMIE2 Eriogonum microthecum var. laxiflorum Eriogonum microthecum Nutt. ssp. confertiflorum (Benth.) S. Stokes ERMIC5 Eriogonum microthecum var. laxiflorum Eriogonum microthecum Nutt. ssp. laxiflorum (Hook.) S. Stokes ERMIL5 Eriogonum microthecum var. laxiflorum Eriogonum microthecum Nutt. var. confertiflorum (Benth.) Torr. & Gray ERMIC4 Eriogonum microthecum var. microthecum Eriogonum microthecum Nutt. var. idahoense (Rydb.) S. Stokes ERMII Eriogonum microthecum var. simpsonii Eriogonum microthecum Nutt. ssp. intermedium S. Stokes ERMII2 Eriogonum microthecum var. simpsonii Eriogonum microthecum Nutt. var. foliosum (Torr. & Gray) Reveal ERMIF Eriogonum microthecum var. simpsonii Eriogonum microthecum Nutt. var. friscanum (M.E. Jones) S. Stokes ERMIF3 Eriogonum microthecum var. simpsonii Eriogonum microthecum Nutt. var. macdougalii (Gandog.) S. Stokes ERMIM3 Eriogonum microthecum var. simpsonii Eriogonum simpsonii Benth. ERSI8 Eriogonum natum Eriogonum spathulatum Gray var. natum (Reveal) Welsh ERSPN Eriogonum nervulosum Eriogonum ursinum S. Wats. var. nervulosum S. Stokes ERURN Eriogonum nidularium Eriogonum vimineum Dougl. ex Benth. ssp. nidularium (Coville) S. Stokes ERVIN Eriogonum niveum Eriogonum niveum Dougl. ex Benth. ssp. decumbens (Benth.) S. Stokes ERNID Eriogonum niveum Eriogonum niveum Dougl. ex Benth. var. decumbens (Benth.) Torr. & Gray ERNID3 Eriogonum niveum Eriogonum niveum Dougl. ex Benth. var. dichotomum (Dougl. ex Benth.) M.E. Jones ERNID2 Eriogonum niveum Eriogonum strictum Benth. var. lachnostegium Benth. ERSTL Eriogonum nudum var. auriculatum Eriogonum latifolium Sm. ssp. auriculatum (Benth.) S. Stokes ERLAA4 Eriogonum nudum var. deductum Eriogonum latifolium Sm. var. deductum (Greene) S. Stokes ERLAD3 Eriogonum nudum var. indictum Eriogonum latifolium Sm. var. indictum (Jepson) S. Stokes ERLAI3 Eriogonum nudum var. nudum Eriogonum latifolium Sm. ssp. nudum (Dougl. ex Benth.) S. Stokes ERLAN Eriogonum nudum var. oblongifolium Eriogonum harfordii Small ERHA3 Eriogonum nudum var. oblongifolium Eriogonum latifolium Sm. ssp. sulphureum (Greene) S. Stokes ERLAS Eriogonum nudum var. pauciflorum Eriogonum latifolium Sm. ssp. pauciflorum (S. Wats.) S. Stokes ERLAP Eriogonum nudum var. pauciflorum Eriogonum nudum Dougl. ex Benth. ssp. pauciflorum (S. Wats.) Munz ERNUP7 Eriogonum nudum var. scapigerum Eriogonum latifolium Sm. var. scapigerum (Eastw.) S. Stokes ERLAS3 Eriogonum nudum var. scapigerum Eriogonum scapigerum Eastw. ERSC9 Eriogonum nudum var. westonii Eriogonum gramineum S. Stokes ERGR18 Eriogonum nudum var. westonii Eriogonum latifolium Sm. ssp. saxicola (Heller) S. Stokes ERLAS2 Eriogonum nudum var. westonii Eriogonum nudum Dougl. ex Benth. ssp. saxicola (Heller) Munz ERNUS3 Eriogonum nudum var. westonii Eriogonum nudum Dougl. ex Benth. var. gramineum (S. Stokes) Reveal ERNUG3 Eriogonum nudum var. westonii Eriogonum nudum Dougl. ex Benth. var. saxicola (Heller) Reveal ERNUS Eriogonum nummulare Eriogonum dudleyanum S. Stokes ERDU3 Eriogonum nummulare Eriogonum kearneyi Tidestrom ERKE3 Eriogonum nummulare Eriogonum kearneyi Tidestrom ssp. monoense (S. Stokes) Munz ex Reveal ERKEM2 Eriogonum nummulare Eriogonum kearneyi Tidestrom var. monoense (S. Stokes) Reveal ERKEM Eriogonum nummulare Eriogonum nodosum Small ssp. monoense S. Stokes ERNOM Eriogonum nummulare Eriogonum nodosum Small var. kearneyi (Tidestrom) S. Stokes ERNOK Eriogonum nutans var. nutans Eriogonum deflexum Torr. ssp. ultrum S. Stokes ERDEU Eriogonum nutans var. nutans Eriogonum nutans Torr. & Gray var. brevipedicellatum S. Stokes ERNUB Eriogonum ochrocephalum var. calcareum Eriogonum ochrocephalum S. Wats. ssp. calcareum S. Stokes EROCC2 Eriogonum ostlundii Eriogonum batemanii M.E. Jones var. ostlundii (M.E. Jones) Welsh ERBAO Eriogonum ostlundii Eriogonum spathuiforme Rydb. ERSP12 Eriogonum ostlundii Eriogonum spathulatum Gray ssp. spathuiforme (Rydb.) S. Stokes ERSPS7 Eriogonum ovalifolium var. eximium Eriogonum ovalifolium Nutt. ssp. eximium (Tidestrom) S. Stokes EROVE2 Eriogonum ovalifolium var. nivale Eriogonum nivale Canby ERNI5 Eriogonum ovalifolium var. nivale Eriogonum rhodanthum A. Nels. & Kennedy ERRH3 Eriogonum ovalifolium var. ochroleucum Eriogonum ochroleucum Small ex Rydb. EROC4 Eriogonum ovalifolium var. ochroleucum Eriogonum ovalifolium Nutt. ssp. ochroleucum (Small ex Rydb.) S. Stokes EROVO6 Eriogonum ovalifolium var. ochroleucum Eriogonum ovalifolium Nutt. var. macropodum (Gandog.) Reveal EROVM Eriogonum ovalifolium var. ovalifolium Eriogonum ovalifolium Nutt. var. nevadense Gandog. EROVN2 Eriogonum ovalifolium var. purpureum Eriogonum davisianum S. Stokes ERDA5 Eriogonum ovalifolium var. purpureum Eriogonum ovalifolium Nutt. var. celsum A. Nels. EROVC2 Eriogonum ovalifolium var. purpureum Eriogonum ovalifolium Nutt. var. multiscapum Gandog. EROVM2 Eriogonum ovalifolium var. purpureum Eriogonum ovalifolium Nutt. var. orthocaulon (Small) C.L. Hitchc. EROVO3 Eriogonum ovalifolium var. vineum Eriogonum ovalifolium Nutt. ssp. vineum (Small) S. Stokes EROVV2 Eriogonum palmerianum Eriogonum baileyi S. Wats. var. tomentosum S. Wats., non Eriogonum tomentosum Michx. ERBAT Eriogonum panamintense Eriogonum racemosum Nutt. var. desertorum S. Stokes ERRAD Eriogonum panguicense var. alpestre Eriogonum chrysocephalum Gray ssp. alpestre S. Stokes ERCHA4 Eriogonum panguicense var. panguicense Eriogonum spathulatum Gray var. panguicense (M.E. Jones) S. Stokes ERSPP2 Eriogonum parvifolium Eriogonum parvifolium Sm. ssp. lucidum J.T. Howell ex S. Stokes ERPAL Eriogonum parvifolium Eriogonum parvifolium Sm. ssp. paynei C.B. Wolf ex Munz ERPAP7 Eriogonum parvifolium Eriogonum parvifolium Sm. var. lucidum (J.T. Howell ex S. Stokes) Reveal ERPAL2 Eriogonum parvifolium Eriogonum parvifolium Sm. var. paynei (C.B. Wolf ex Munz) Reveal ERPAP8 Eriogonum pauciflorum var. pauciflorum Eriogonum depauperatum Small ERDE14 Eriogonum pauciflorum var. pauciflorum Eriogonum multiceps Nees ERMU9 Eriogonum plumatella Eriogonum plumatella Dur. & Hilg. var. jaegeri (Munz & Johnston) S. Stokes ex Munz ERPLJ Eriogonum polyanthum Eriogonum umbellatum Torr. ssp. dumosum (Greene) S. Stokes ERUMD4 Eriogonum polyanthum Eriogonum umbellatum Torr. ssp. polyanthum (Benth.) S. Stokes ERUMP3 Eriogonum polyanthum Eriogonum umbellatum Torr. var. polyanthum (Benth.) M.E. Jones ERUMP Eriogonum polycladon Eriogonum densum Greene ERDE7 Eriogonum polycladon Eriogonum vimineum Dougl. ex Benth. var. densum (Greene) S. Stokes ERVID Eriogonum pulchrum Eriogonum ericifolium Torr. & Gray var. pulchrum (Eastw.) Reveal ERERP Eriogonum pulchrum Eriogonum mearnsii Parry var. pulchrum (Eastw.) Kearney & Peebles ERMEP Eriogonum purpusii Eriogonum kennedyi Porter ex S. Wats. ssp. purpusii (Brandeg.) Munz ERKEP3 Eriogonum purpusii Eriogonum kennedyi Porter ex S. Wats. var. purpusii (Brandeg.) Reveal ERKEP2 Eriogonum pusillum Eriogonum reniforme Torr. & Fr?m. ssp. pusillum (Torr. & Gray) S. Stokes ERREP Eriogonum pyrolifolium var. coryphaeum Eriogonum pyrolifolium Hook. var. bellingerianum M.E. Peck ERPYB Eriogonum reniforme Eriogonum reniforme Torr. & Fr?m. var. comosum M.E. Jones ERREC Eriogonum rixfordii Eriogonum deflexum Torr. ssp. rixfordii (S. Stokes) Munz ERDER4 Eriogonum robustum Eriogonum lobbii Torr. & Gray var. robustum (Greene) M.E. Jones ERLOR Eriogonum rosense var. beatleyae Eriogonum beatleyae Reveal ERBE5 Eriogonum rosense var. rosense Eriogonum ochrocephalum S. Wats. ssp. agnellum (Jepson) S. Stokes EROCA3 Eriogonum roseum Eriogonum virgatum Benth. ERVI10 Eriogonum shockleyi Eriogonum shockleyi S. Wats. ssp. candidum (M.E. Jones) S. Stokes ERSHC Eriogonum shockleyi Eriogonum shockleyi S. Wats. ssp. longilobum (M.E. Jones) S. Stokes ERSHL2 Eriogonum shockleyi Eriogonum shockleyi S. Wats. var. longilobum (M.E. Jones) Reveal ERSHL Eriogonum shockleyi Eriogonum shockleyi S. Wats. var. packardiae Reveal ERSHP Eriogonum shockleyi Eriogonum shockleyi S. Wats. var. shockleyi S. Wats. [superfluous autonym] ERSHS Eriogonum smithii Eriogonum corymbosum Benth. var. smithii (Reveal) Welsh ERCOS2 Eriogonum spathulatum Eriogonum nudicaule (Torr.) Small ssp. ochroflorum S. Stokes ERNUO2 Eriogonum spergulinum var. reddingianum Eriogonum spergulinum Gray ssp. reddingianum (M.E. Jones) Munz ex Reveal ERSPR2 Eriogonum spergulinum var. spergulinum Oxytheca spergulinum (Gray) Greene OXSP3 Eriogonum sphaerocephalum var. fasciculifolium Eriogonum fruticulosum S. Stokes ERFR5 Eriogonum sphaerocephalum var. sphaerocephalum Eriogonum sphaerocephalum Dougl. ex Benth. var. brevifolium S. Stokes ex M.E. Jones ERSPB Eriogonum sphaerocephalum var. sphaerocephalum Eriogonum sphaerocephalum Dougl. ex Benth. var. geniculatum (Nutt.) S. Stokes ERSPG Eriogonum sphaerocephalum var. sphaerocephalum Eriogonum sphaerocephalum Dougl. ex Benth. var. megacephalum (Nutt.) Stokes ex M.E. Jones ERSPM3 Eriogonum strictum ssp. proliferum var. anserinum Eriogonum flavissimum Gandog. ERFL10 Eriogonum strictum ssp. proliferum var. anserinum Eriogonum ovalifolium Nutt. ssp. flavissimum (Gandog.) S. Stokes EROVF Eriogonum strictum ssp. proliferum var. anserinum Eriogonum proliferum Torr. & Gray ssp. anserinum (Greene) Munz ERPRA2 Eriogonum strictum ssp. proliferum var. anserinum Eriogonum strictum Benth. var. flavissimum (Gandog.) C.L. Hitchc. ERSTF Eriogonum strictum ssp. proliferum var. proliferum Eriogonum bellum S. Stokes ERBE9 Eriogonum strictum ssp. proliferum var. proliferum Eriogonum proliferum Torr. & Gray ERPR13 Eriogonum strictum ssp. proliferum var. proliferum Eriogonum strictum Benth. var. cusickii (Gandog.) S. Stokes ERSTC Eriogonum strictum ssp. proliferum var. proliferum Eriogonum strictum Benth. var. greenei (Gray) Reveal ERSTG4 Eriogonum subreniforme Eriogonum filicaule S. Stokes ERFI4 Eriogonum tenellum var. ramosissimum Eriogonum tenellum Torr. var. caulescens Torr. & Gray ERTEC3 Eriogonum thompsoniae var. albiflorum Eriogonum corymbosum Benth. var. albiflorum (Reveal) Welsh ERCOA2 Eriogonum thompsoniae var. atwoodii Eriogonum corymbosum Benth. var. atwoodii (Reveal) Welsh ERCOA6 Eriogonum thompsoniae var. matthewsiae Eriogonum corymbosum Benth. var. matthewsiae Reveal ERCOM Eriogonum thompsoniae var. thompsoniae Eriogonum corymbosum Benth. var. thompsoniae (S. Wats.) Welsh ERCOT4 Eriogonum thornei Eriogonum ericifolium Torr. & Gray ssp. thornei (Reveal & Henrickson) Thorne ERERT2 Eriogonum thornei Eriogonum ericifolium Torr. & Gray var. thornei Reveal & Henrickson ERERT Eriogonum thymoides Eriogonum sphaerocephalum Dougl. ex Benth. var. minimum (Small) S. Stokes ERSPM4 Eriogonum thymoides Eriogonum thymoides Benth. ssp. congestum S. Stokes ERTHC2 Eriogonum trichopes var. trichopes Eriogonum trichopes Torr. ssp. minus (Benth.) S. Stokes ERTRM Eriogonum tumulosum Eriogonum villiflorum Gray var. tumulosum Barneby ERVIT Eriogonum umbellatum var. aureum Eriogonum umbellatum Torr. var. intectum A. Nels. ERUMI Eriogonum umbellatum var. bahiiforme Eriogonum umbellatum Torr. ssp. bahiiforme (Torr. & Gray) Munz ERUMB2 Eriogonum umbellatum var. cognatum Eriogonum cognatum Greene ERCO31 Eriogonum umbellatum var. covillei Eriogonum covillei Small ERCO37 Eriogonum umbellatum var. covillei Eriogonum umbellatum Torr. ssp. covillei (Small) Munz ERUMC5 Eriogonum umbellatum var. dichrocephalum Eriogonum umbellatum Torr. ssp. aridum (Greene) S. Stokes ERUMA5 Eriogonum umbellatum var. dichrocephalum Eriogonum umbellatum Torr. var. aridum (Greene) R.J. Davis ERUMA4 Eriogonum umbellatum var. ellipticum Eriogonum stellatum Benth. ERST10 Eriogonum umbellatum var. ellipticum Eriogonum umbellatum Torr. ssp. stellatum (Benth.) S. Stokes ERUMS5 Eriogonum umbellatum var. ellipticum Eriogonum umbellatum Torr. var. chrysanthum Gandog. ERUMC7 Eriogonum umbellatum var. ellipticum Eriogonum umbellatum Torr. var. croceum (Small) S. Stokes ex R.J. Davis ERUMC6 Eriogonum umbellatum var. ellipticum Eriogonum umbellatum Torr. var. stellatum (Benth.) M.E. Jones ERUMS4 Eriogonum umbellatum var. majus Eriogonum heracleoides Nutt. var. subalpinum (Greene) S. Stokes ERHES4 Eriogonum umbellatum var. majus Eriogonum subalpinum Greene ERSU11 Eriogonum umbellatum var. majus Eriogonum umbellatum Torr. ssp. majus (Hook.) Piper ERUMM8 Eriogonum umbellatum var. majus Eriogonum umbellatum Torr. var. subalpinum (Greene) M.E. Jones ERUMS7 Eriogonum umbellatum var. minus Eriogonum umbellatum Torr. ssp. minus (I.M. Johnston) Munz ERUMM7 Eriogonum umbellatum var. munzii Eriogonum umbellatum Torr. ssp. munzii (Reveal) Thorne ex Munz ERUMM6 Eriogonum umbellatum var. subaridum Eriogonum umbellatum Torr. ssp. ferrissii (A. Nels.) S. Stokes ERUMF2 Eriogonum umbellatum var. subaridum Eriogonum umbellatum Torr. ssp. subaridum (S. Stokes) Munz ERUMS6 Eriogonum umbellatum var. torreyanum Eriogonum torreyanum Gray ERTO3 Eriogonum umbellatum var. versicolor Eriogonum umbellatum Torr. ssp. versicolor (S. Stokes) Munz ERUMV3 Eriogonum vimineum Eriogonum vimineum Dougl. ex Benth. var. luteolum (Greene) S. Stokes ERVIL4 Eriogonum vimineum Eriogonum vimineum Dougl. ex Benth. var. shoshonense (A. Nels.) S. Stokes ERVIS Eriogonum viridescens Eriogonum angulosum Benth. ssp. viridescens (Heller) S. Stokes ERANV Eriogonum viridescens Eriogonum bidentatum Jepson ERBI4 Eriogonum viridulum Eriogonum brevicaule Nutt. var. viridulum (Reveal) Welsh ERBRV Eriogonum watsonii Eriogonum deflexum Torr. ssp. watsonii (Torr. & Gray) S. Stokes ERDEW Eriogonum watsonii Eriogonum deflexum Torr. var. multipedunculatum (S. Stokes) C.L. Hitchc. ERDEM3 Eriogonum watsonii Eriogonum deflexum Torr. var. watsonii (Torr. & Gray) R.J. Davis ERDEW2 Eriogonum wetherillii Eriogonum sessile S. Stokes ex M.E. Jones ERSE7 Eriogonum wrightii var. membranaceum Eriogonum wrightii Torr. ex Benth. ssp. membranaceum (S. Stokes ex Jepson) S. Stokes ERWRM2 Eriogonum wrightii var. nodosum Eriogonum nodosum Small ERNO4 Eriogonum wrightii var. nodosum Eriogonum wrightii Torr. ex Benth. ssp. nodosum (Small) Munz ERWRN2 Eriogonum wrightii var. pringlei Eriogonum pringlei Coult. & Fisher ERPR12 Eriogonum wrightii var. subscaposum Eriogonum wrightii Torr. ex Benth. ssp. subscaposum (S. Wats.) S. Stokes ERWRS2 Eriogonum wrightii var. trachygonum Eriogonum wrightii Torr. ex Benth. ssp. trachygonum (Torr. ex Benth.) S. Stokes ERWRT3 Eriogonum wrightii var. wrightii Eriogonum wrightii Torr. ex Benth. ssp. glomerulum S. Stokes ERWRG Eriogonum zionis var. coccineum Eriogonum racemosum Nutt. var. coccineum (J.T. Howell) Welsh ERRAC Eriogonum zionis var. zionis Eriogonum racemosum Nutt. var. nobile Welsh & Atwood ERRAN Eriogonum zionis var. zionis Eriogonum racemosum Nutt. var. zionis (J.T. Howell) Welsh ERRAZ2 Esmeralda buckwheat Eriogonum esmeraldense S. Wats. ERES Esmeralda buckwheat Eriogonum esmeraldense S. Wats. var. esmeraldense ERESE European knotweed Polygonum arenarium Waldst. & Kit. POAR10 Fagopyrum esculentum Fagopyrum fagopyrum (L.) Karst. FAFA Fagopyrum esculentum Fagopyrum sagittatum Gilib. FASA Fagopyrum esculentum Fagopyrum vulgare Hill FAVU2 Fagopyrum esculentum Polygonum fagopyrum L. POFA4 Fagopyrum tataricum Polygonum tataricum L. POTA3 false chiggergrape Coccoloba venosa L. COVE false naked buckwheat Eriogonum novonudum M.E. Peck ERNO3 false spikeflower Hollisteria lanata S. Wats. HOLA2 fewflower buckwheat Eriogonum pauciflorum Pursh ERPA9 fewflower buckwheat Eriogonum pauciflorum Pursh var. gnaphalodes (Benth.) Reveal ERPAG fewflower buckwheat Eriogonum pauciflorum Pursh var. pauciflorum ERPAP6 fiddle dock Rumex pulcher L. RUPU3 field dock Rumex pseudonatronatus Borb RUPS field smartweed Polygonum segetum Kunth POSE4 fivetooth spineflower Chorizanthe watsonii Torr. & Gray CHWA2 flat-top buckwheat Eriogonum smithii Reveal ERSM flatcrown buckwheat Eriogonum deflexum Torr. ERDE6 flatcrown buckwheat Eriogonum deflexum Torr. var. baratum (Elmer) Reveal ERDEB flatcrown buckwheat Eriogonum deflexum Torr. var. deflexum ERDED4 flatcrown buckwheat Eriogonum deflexum Torr. var. rectum Reveal ERDER3 Florida jointweed Polygonella basiramia (Small) Nesom & Bates POBA5 Fort Mojave buckwheat Eriogonum ordii S. Wats. EROR3 Fowler's knotweed Polygonum fowleri B.L. Robins. POFO2 foxtail buckwheat Eriogonum polypodum Small ERPO8 Fraziers Well buckwheat Eriogonum ripleyi J.T. Howell ERRI Fredonia buckwheat Eriogonum mortonianum Reveal ERMO9 French sorrel Rumex scutatus L. RUSC8 fringed black bindweed Polygonum cilinode Michx. POCI fringed knotweed Polygonum lacerum Kunth POLA22 fringed spineflower Chorizanthe fimbriata Nutt. CHFI2 fringed spineflower Chorizanthe fimbriata Nutt. var. fimbriata CHFIF fringed spineflower Chorizanthe fimbriata Nutt. var. laciniata (Torr.) Jepson CHFIL Frisco buckwheat Eriogonum soredium Reveal ERSO2 frosted buckwheat Eriogonum incanum Torr. & Gray ERIN9 fruitleaf knotweed Polygonum polygaloides Wallich ex Meisn. ssp. confertiflorum (Nutt. ex Piper) Hickman POPOC garden rhubarb Rheum rhabarbarum L. RHRH2 garden sorrel Rumex acetosa L. RUAC2 garden sorrel Rumex acetosa L. ssp. acetosa RUACA garden sorrel Rumex acetosa L. ssp. alpestris (Jacq.) A. L?ve RUACA2 garden sorrel Rumex acetosa L. ssp. pseudoxyria Tolm. RUACP garden sorrel Rumex acetosa L. ssp. thyrsiflorus (Fingerhuth) Hayek RUACT Gate Canyon buckwheat Eriogonum hylophilum Reveal & Brotherson ERHY3 giant knotweed Polygonum sachalinense F. Schmidt ex Maxim. POSA4 Gilman's buckwheat Eriogonum gilmanii S. Stokes ERGI3 golden dock Rumex maritimus L. RUMA4 goldencarpet Gilmania Coville GILMA goldencarpet Gilmania luteola (Coville) Coville GILU goldencarpet buckwheat Eriogonum luteolum Greene ERLU5 goldencarpet buckwheat Eriogonum luteolum Greene var. luteolum ERLUL goldencarpet buckwheat Eriogonum luteolum Greene var. pedunculatum (Stokes) Reveal ERLUP goldencarpet buckwheat Eriogonum luteolum Greene var. saltuarium Reveal ERLUS Goodman's buckwheat Eriogonum umbellatum Torr. var. goodmanii Reveal ERUMG2 Goodmania luteola Oxytheca luteola Parry OXLU2 Gordon's buckwheat Eriogonum gordonii Benth. ERGO graceful buckwheat Eriogonum verrucosum Reveal ERVE6 grand buckwheat Eriogonum contortum Small ERCO13 grandleaf seagrape Coccoloba pubescens L. COPU granite buckwheat Eriogonum robustum Greene ERRO10 grassleaf sorrel Rumex graminifolius Georgi ex Lamb. RUGR2 gray buckwheat Eriogonum villiflorum Gray ERVI4 Great Basin Desert buckwheat Eriogonum desertorum (Maguire) R.J. Davis ERDE11 greater water dock Rumex orbiculatus Gray RUOR2 greater water dock Rumex orbiculatus Gray var. borealis Rech. f. RUORB greater water dock Rumex orbiculatus Gray var. orbiculatus RUORO Greek dock Rumex cristatus DC. RUCR2 green buckwheat Eriogonum umbellatum Torr. var. glaberrimum (Gandog.) Reveal ERUMG Gregg's buckwheat Eriogonum greggii Torr. & Gray ERGR7 hairy jointweed Polygonella ciliata Meisn. POCI2 hairy smartweed Polygonum hirsutum Walt. POHI3 hairyflower buckwheat Eriogonum hirtiflorum Gray ex S. Wats. ERHI4 halberdleaf tearthumb Polygonum arifolium L. POAR6 Harper's buckwheat Eriogonum longifolium Nutt. var. harperi (Goodman) Reveal ERLOH Hartweg's spineflower Chorizanthe pungens Benth. var. hartwegiana Reveal & Hardham CHPUH2 Hausknecht's buckwheat Eriogonum umbellatum Torr. var. hausknechtii (Dammer) M.E. Jones ERUMH Havard's buckwheat Eriogonum havardii S. Wats. ERHA hawkweed buckwheat Eriogonum hieraciifolium Benth. ERHI3 heartsepal buckwheat Eriogonum multiflorum Benth. ERMU4 heartwing sorrel Rumex hastatulus Baldw. RUHA2 Heermann's buckwheat Eriogonum heermannii Dur. & Hilg. ERHE Heermann's buckwheat Eriogonum heermannii Dur. & Hilg. var. argense (M.E. Jones) Munz ERHEA Heermann's buckwheat Eriogonum heermannii Dur. & Hilg. var. heermannii ERHEH2 Heermann's buckwheat Eriogonum heermannii Dur. & Hilg. var. humilius (S. Stokes) Reveal ERHEH Heermann's buckwheat Eriogonum heermannii Dur. & Hilg. var. subracemosum (S. Stokes) Reveal ERHES Heermann's buckwheat Eriogonum heermannii Dur. & Hilg. var. subspinosum Reveal ERHES5 Heermann's buckwheat Eriogonum heermannii Dur. & Hilg. var. sulcatum (S. Wats.) Munz & Reveal ERHES2 Hickman's knotweed Polygonum hickmanii H. Hinds & R. Morgan POHI14 hidden buckwheat Eriogonum capistratum Reveal ERCA17 hidden buckwheat Eriogonum capistratum Reveal var. capistratum ERCAC3 hill buckwheat Eriogonum collinum S. Stokes ex M.E. Jones ERCO10 hoary buckwheat Eriogonum saxatile S. Wats. ERSA6 Hoffmann's buckwheat Eriogonum hoffmannii S. Stokes ERHO4 Hoffmann's buckwheat Eriogonum hoffmannii S. Stokes var. hoffmannii ERHOH hollisteria Hollisteria S. Wats. HOLLI homalocladium Homalocladium (F.J. Muell.) Bailey HOMAL2 Homalocladium platycladum Muehlenbeckia platyclada (F.J. Muell.) Lindau MUPL Hooker's buckwheat Eriogonum hookeri S. Wats. ERHO6 Hoover's deserttrumpet Eriogonum trichopes Torr. var. hooveri Reveal ERTRH Howell's buckwheat Eriogonum howellianum Reveal ERHO12 ibex buckwheat Eriogonum ammophilum Reveal ERAM6 Idria buckwheat Eriogonum vestitum J.T. Howell ERVE4 imperfect buckwheat Eriogonum mancum Rydb. ERMA3 Indian Valley spinycape Aristocapsa insignis (Curran) Reveal & Hardham ARIN12 Inyo buckwheat Eriogonum latens Jepson ERLA4 Ione buckwheat Eriogonum apricum J.T. Howell ERAP4 Ione buckwheat Eriogonum apricum J.T. Howell var. apricum ERAPA Irion County buckwheat Eriogonum nealleyi Coult. ERNE5 Irish Hill buckwheat Eriogonum apricum J.T. Howell var. prostratum Myatt ERAPP island purslane Koenigia islandica L. KOIS James's buckwheat Eriogonum jamesii Benth. ERJA James's buckwheat Eriogonum jamesii Benth. var. flavescens S. Wats. ERJAF James's buckwheat Eriogonum jamesii Benth. var. jamesii ERJAJ James's buckwheat Eriogonum jamesii Benth. var. simplex Gandog. ERJAS James's buckwheat Eriogonum jamesii Benth. var. undulatum (Benth.) S. Stokes ex M.E. Jones ERJAU James's buckwheat Eriogonum jamesii Benth. var. wootonii Reveal ERJAW James's buckwheat Eriogonum jamesii Benth. var. xanthum (Small) Reveal ERJAX Japanese knotweed Polygonum cuspidatum Sieb. & Zucc. POCU6 Jaynes Canyon buckwheat Eriogonum diclinum Reveal ERDI10 Johanneshowellia puberula Eriogonum puberulum S. Wats. ERPU5 Johanneshowellia puberula Eriogonum puberulum S. Wats. var. venosum S. Stokes ERPUV Johnston's buckwheat Eriogonum microthecum Nutt. var. johnstonii Reveal ERMIJ Johnston's knotweed Polygonum douglasii Greene ssp. johnstonii (Munz) Hickman PODOJ2 jointweed Polygonella Michx. POLYG3 Jones's buckwheat Eriogonum jonesii S. Wats. ERJO July gold Dedeckera eurekensis Reveal & J.T. Howell DEEU July gold Dedeckera Reveal & J.T. Howell DEDEC jumpseed Antenoron neofiliforme (Nakai) Hara ANNE10 jumpseed Polygonum virginianum L. POVI2 juniper buckwheat Eriogonum umbellatum Torr. var. juniporinum Reveal ERUMJ Kellogg's knotweed Polygonum polygaloides Wallich ex Meisn. ssp. kelloggii (Greene) Hickman POPOK Kennedy's buckwheat Eriogonum kennedyi Porter ex S. Wats. ERKE2 Kennedy's buckwheat Eriogonum kennedyi Porter ex S. Wats. var. kennedyi ERKEK Kern buckwheat Eriogonum kennedyi Porter ex S. Wats. var. pinicola Reveal ERKEP Kerner's dock Rumex kerneri Borb RUKE kidneyleaf buckwheat Eriogonum reniforme Torr. & Fr?m. ERRE3 kidneyshape buckwheat Eriogonum subreniforme S. Wats. ERSU5 Kings River buckwheat Eriogonum nudum Dougl. ex Benth. var. regirivum Reveal & J. Stebbins ERNUR kiss me over the garden gate Polygonum orientale L. POOR2 Klamath Mountain buckwheat Eriogonum hirtellum J.T. Howell & Bacig. ERHI7 knotweed Polygonum L. POLYG4 knotweed Polygonum paronychioides Small ex Rydb. POPA33 knotweed Polygonum salicifolium Brouss. ex Willd. POSA23 knotweed spineflower Chorizanthe polygonoides Torr. & Gray CHPO4 knotweed spineflower Chorizanthe polygonoides Torr. & Gray var. longispina (Goodman) Munz CHPOL knotweed spineflower Chorizanthe polygonoides Torr. & Gray var. polygonoides CHPOP5 koenigia Koenigia L. KOENI Koenigia islandica Macounastrum islandicum (L.) Small MAIS Krause's sorrel Rumex krausei Jurtzev & Petrovsky RUKR ladder buckwheat Eriogonum insigne S. Wats. ERIN10 lake willow dock Rumex salicifolius Weinm. var. lacustris (Greene) Hickman RUSAL lanceleaf buckwheat Eriogonum lancifolium Reveal & Brotherson ERLA10 large knotweed Polygonum douglasii Greene ssp. majus (Meisn.) Hickman PODOM2 largeflower jointweed Polygonella robusta (Small) Nesom & Bates PORO6 largeleaf jointweed Polygonella macrophylla Small POMA14 lastarriaea Lastarriaea Remy LASTA Lastarriaea coriacea Chorizanthe coriacea Goodman CHCO21 Lastarriaea coriacea Chorizanthe lastarriaea Parry CHLA19 Lastarriaea coriacea Lastarriaea chilensis auct. non Remy [misapplied] LACH6 lava dock Rumex skottsbergii O.& I. Deg. RUSK leather spineflower Lastarriaea coriacea (Goodman) Hoover LACO4 leathery knotweed Polygonum achoreum Blake POAC3 Lewis's buckwheat Eriogonum lewisii Reveal ERLE13 limestone buckwheat Eriogonum eremicum Reveal ERER5 little deserttrumpet Eriogonum trichopes Torr. ERTR8 little deserttrumpet Eriogonum trichopes Torr. var. trichopes ERTRT3 Lobb's buckwheat Eriogonum lobbii Torr. & Gray ERLO2 longleaf buckwheat Eriogonum longifolium Nutt. ERLO5 longleaf buckwheat Eriogonum longifolium Nutt. var. gnaphalifolium Gandog. ERLOG longleaf buckwheat Eriogonum longifolium Nutt. var. longifolium ERLOL4 longroot smartweed Polygonum amphibium L. var. emersum Michx. POAME longstem buckwheat Eriogonum elongatum Benth. EREL6 Lunar Crater buckwheat Johanneshowellia crateriorum Reveal JOCR maidenhair vine Muehlenbeckia complexa Meisn. MUCO3 maidenhair vine Muehlenbeckia Meisn. MUEHL manyleg knotweed Polygonum polycnemoides Jaubert & Spach POPO3 Marin knotweed Polygonum marinense Mert. & Raven POMA15 marshpepper knotweed Polygonum hydropiper L. POHY marumleaf buckwheat Eriogonum marifolium Torr. & Gray ERMA4 matted buckwheat Eriogonum caespitosum Nutt. ERCA8 Matthews's buckwheat Eriogonum thompsoniae S. Wats. var. matthewsiae (Reveal) Reveal ERTHM meadow bistort Polygonum bistorta L. POBI5 meadow bistort Polygonum bistorta L. var. bistorta POBIB2 meadow bistort Polygonum bistorta L. var. plumosum (Small) Boivin POBIP Mendocino spineflower Chorizanthe howellii Goodman CHHO2 Mexican dock Rumex salicifolius Weinm. var. mexicanus (Meisn.) C.L. Hitchc. RUSAM milkwort knotweed Polygonum polygaloides Wallich ex Meisn. POPO4 milkwort knotweed Polygonum polygaloides Wallich ex Meisn. ssp. polygaloides POPOP3 Mojave spineflower Chorizanthe spinosa S. Wats. CHSP money buckwheat Eriogonum nummulare M.E. Jones ERNU4 Mono buckwheat Eriogonum ampullaceum J.T. Howell ERAM2 Monterey spineflower Chorizanthe pungens Benth. CHPU3 Monterey spineflower Chorizanthe pungens Benth. var. pungens CHPUP3 mountainmist Eriogonum parishii S. Wats. ERPA6 mountainsorrel Oxyria Hill OXYRI mourning buckwheat Eriogonum concinnum Reveal ERCO18 mouse buckwheat Eriogonum nudum Dougl. ex Benth. var. murinum Reveal ERNUM Mt. Diablo buckwheat Eriogonum truncatum Torr. & Gray ERTR11 Mt. Eddy buckwheat Eriogonum umbellatum Torr. var. humistratum Reveal ERUMH2 Mucronea californica Chorizanthe californica (Benth.) Gray CHCA22 Mucronea californica Chorizanthe californica (Benth.) Gray var. suksdorfii J.F. Macbr. CHCAS Mucronea californica Mucronea californica Benth. var. suksdorfii (J.F. Macbr.) Goodman MUCAS Mucronea perfoliata Chorizanthe perfoliata Gray CHPE4 Mucronea perfoliata Chorizanthe perfoliata Gray var. opaca (Hoover) Munz CHPEO Mucronea perfoliata Mucronea perfoliata (Gray) Heller var. opaca Hoover MUPEO Muehlenbeckia complexa Muehlenbeckia axillaris auct. non (Hook. f.) Walp. [misapplied] MUAX Muhlick's buckwheat Eriogonum capistratum Reveal var. muhlickii Reveal ERCAM2 Munk's rhubarb Rumex alpinus L. RUAL3 Munz's buckwheat Eriogonum umbellatum Torr. var. munzii Reveal ERUMM3 naked buckwheat Eriogonum nudum Dougl. ex Benth. ERNU3 naked buckwheat Eriogonum nudum Dougl. ex Benth. var. auriculatum (Benth.) Tracy ex Jepson ERNUA naked buckwheat Eriogonum nudum Dougl. ex Benth. var. deductum (Greene) Jepson ERNUD2 naked buckwheat Eriogonum nudum Dougl. ex Benth. var. nudum ERNUN naked buckwheat Eriogonum nudum Dougl. ex Benth. var. oblongifolium S. Wats. ERNUO naked buckwheat Eriogonum nudum Dougl. ex Benth. var. pauciflorum S. Wats. ERNUP2 naked buckwheat Eriogonum nudum Dougl. ex Benth. var. pubiflorum Benth. ERNUP4 naked buckwheat Eriogonum nudum Dougl. ex Benth. var. scapigerum (Eastw.) Jepson ERNUS2 napkinring Eriogonum intrafractum Coville & Morton ERIN5 narrowleaf dock Rumex stenophyllus Ledeb. RUST4 narrowleaf knotweed Polygonum bellardii All. POBE narrowleaf oxytheca Oxytheca dendroidea Nutt. OXDE narrowleaf spineflower Chorizanthe angustifolia Nutt. CHAN3 narrowpoint knotweed Polygonum leptocarpum B.L. Robins. POLE6 Native American pipeweed Eriogonum fusiforme Small ERFU3 Needle's buckwheat Eriogonum breedlovei (J.T. Howell) Reveal var. shevockii J.T. Howell ERBRS Nepalese smartweed Polygonum nepalense Meisn. PONE9 Nevada buckwheat Eriogonum deflexum Torr. var. nevadense Reveal ERDEN Nevada City buckwheat Eriogonum prattenianum Dur. ERPR8 Nevada City buckwheat Eriogonum prattenianum Dur. var. avium Reveal & Shevock ERPRA Nevada City buckwheat Eriogonum prattenianum Dur. var. prattenianum ERPRP nodding buckwheat Eriogonum cernuum Nutt. ERCE2 nodding buckwheat Eriogonum cernuum Nutt. var. cernuum ERCEC nodding buckwheat Eriogonum cernuum Nutt. var. viminale (S. Stokes) Reveal ERCEV Nuttall's knotweed Polygonum douglasii Greene ssp. nuttallii (Small) Hickman PODON Oahu dock Rumex albescens Hbd. RUAL5 October flower Polygonella polygama (Vent.) Engelm. & Gray POPO2 oddsepal knotweed Polygonum heterosepalum M.E. Peck & Ownbey POHE2 Olancha Peak buckwheat Eriogonum wrightii Torr. ex Benth. var. olanchense (J.T. Howell) Reveal ERWRO oneawn spineflower Chorizanthe uniaristata Torr. & Gray CHUN Oriental ladysthumb Polygonum caespitosum Blume POCA49 Oriental ladysthumb Polygonum caespitosum Blume var. ?caespitosum POCAC4 Oriental ladysthumb Polygonum caespitosum Blume var. longisetum (de Bruyn) A.N. Steward POCAL2 ortegon Coccoloba rugosa Desf. CORU4 oval-leaf knotweed Polygonum arenastrum Jord. ex Boreau POAR11 Oxyria digyna Rumex digyna L. RUDI4 oxytheca Oxytheca Nutt. OXYTH Oxytheca dendroidea Eriogonum dendroideum (Nutt.) S. Stokes ERDE13 Oxytheca dendroidea Eriogonum dendroideum (Nutt.) S. Stokes var. foliosum (Nutt.) M.E. Jones ERDEF Oxytheca dendroidea Eriogonum dendroideum (Nutt.) S. Stokes var. hillmanii S. Stokes ERDEH Oxytheca dendroidea Oxytheca dendroidea Nutt. ssp. dendroidea Nutt. [superfluous autonym] OXDED2 Oxytheca dendroidea Oxytheca foliosa Nutt. OXFO2 Oxytheca parishii var. abramsii Eriogonum abramsii (McGregor) S. Stokes ERAB5 Oxytheca parishii var. abramsii Oxytheca abramsii McGregor OXAB Oxytheca parishii var. abramsii Oxytheca parishii Parry ssp. abramsii (McGregor) Munz OXPAA2 pagoda buckwheat Eriogonum rixfordii S. Stokes ERRI2 Pahrump Valley buckwheat Eriogonum bifurcatum Reveal ERBI2 Paiute buckwheat Eriogonum breedlovei (J.T. Howell) Reveal ERBR10 Paiute buckwheat Eriogonum breedlovei (J.T. Howell) Reveal var. breedlovei ERBRB3 pale dock Rumex altissimus Wood RUAL4 pale seagrape Coccoloba pallida C. Wright COPA24 Palmer's buckwheat Eriogonum palmerianum Reveal ERPA11 Palmer's spineflower Chorizanthe palmeri S. Wats. CHPA8 Panamint buckwheat Eriogonum microthecum Nutt. var. panamintense S. Stokes ERMIP Panamint Mountain buckwheat Eriogonum panamintense Morton ERPA12 Panguitch buckwheat Eriogonum panguicense (M.E. Jones) Reveal ERPA13 Panguitch buckwheat Eriogonum panguicense (M.E. Jones) Reveal var. alpestre (S. Stokes) Reveal ERPAA Panguitch buckwheat Eriogonum panguicense (M.E. Jones) Reveal var. panguicense ERPAP5 Paraguayan dock Rumex paraguayensis Parodi RUPA24 parasol buckwheat Eriogonum lagopus Rydb. ERLA9 Parish's oxytheca Oxytheca parishii Parry OXPA Parish's oxytheca Oxytheca parishii Parry var. parishii OXPAP Parks's jointweed Polygonella parksii Cory POPA6 Parry's buckwheat Eriogonum brachypodum Torr. & Gray ERBR8 Parry's knotweed Polygonum parryi Greene POPA8 parsnipflower buckwheat Eriogonum heracleoides Nutt. ERHE2 parsnipflower buckwheat Eriogonum heracleoides Nutt. var. angustifolium (Nutt.) Torr. & Gray ERHEA2 parsnipflower buckwheat Eriogonum heracleoides Nutt. var. heracleoides ERHEH3 parsnipflower buckwheat Eriogonum heracleoides Nutt. var. leucophaeum Reveal ERHEL patience dock Rumex patientia L. RUPA5 pawale Rumex giganteus Ait. RUGI Pennsylvania smartweed Polygonum pensylvanicum L. POPE2 perfoliate spineflower Mucronea perfoliata (Gray) Heller MUPE2 pineland buckwheat Eriogonum molestum S. Wats. ERMO4 pink spineflower Chorizanthe membranacea Benth. CHME2 pinkhead smartweed Polygonum capitatum Buch.-Ham. ex D. Don POCA21 Pinnacles buckwheat Eriogonum nortonii Greene ERNO2 Piper's golden buckwheat Eriogonum flavum Nutt. var. piperi (Greene) M.E. Jones ERFLP pleatleaf knotweed Polygonum tenue Michx. POTE2 poke knotweed Polygonum phytolaccifolium Meisn. ex Small POPH Polygonella americana Gonopyrum americanum Fisch. & C.A. Mey. GOAM2 Polygonella articulata Delopyrum articulatum (L.) Small DEAR5 Polygonella articulata Polygonum articulatum L. POAR13 Polygonella basiramia Delopyrum basiramium Small DEBA6 Polygonella basiramia Polygonella ciliata Meisn. var. basiramia (Small) Horton POCIB Polygonella ciliata Delopyrum ciliatum (Meisn.) Small DECI4 Polygonella fimbriata Polygonum fimbriatum Ell. POFI7 Polygonella fimbriata Thysanella fimbriata (Ell.) Gray THFI2 Polygonella gracilis Delopyrum filiforme Small DEFI Polygonella gracilis Delopyrum gracile (Nutt.) Small DEGR6 Polygonella gracilis Polygonum gracile Nutt. POGR14 Polygonella myriophylla Dentoceras myriophylla Small DEMY Polygonella polygama Polygonella brachystachya Meisn. POBR13 Polygonella polygama Polygonella croomii Chapman POCR8 Polygonella polygama Polygonella polygama (Vent.) Engelm. & Gray var. brachystachya (Meisn.) Wunderlin POPOB Polygonella polygama Polygonella polygama (Vent.) Engelm. & Gray var. croomii (Chapman) Fern. POPOC2 Polygonella polygama Polygonum polygamum Vent. POPO18 Polygonella robusta Polygonella fimbriata (Ell.) Horton var. robusta (Small) Horton POFIR Polygonella robusta Thysanella robusta Small THRO3 Polygonum achoreum Polygonum erectum L. ssp. achoreum (S.F. Blake) A.& D. L?ve POERA Polygonum acuminatum Persicaria acuminata (Kunth) G. Maza PEAC5 Polygonum alpinum Aconogonum alaskanum (W. Wight ex Hult?n) Soj ACAL6 Polygonum alpinum Aconogonum alaskanum (W. Wight ex Hult?n) Soj?k var. glabrescens (Hult?n) H. Hinds ACALG Polygonum alpinum Aconogonum alpinum (All.) Schur ACAL9 Polygonum alpinum Aconogonum hultenianum (Yurtsev) Tzvelev ACHU2 Polygonum alpinum Aconogonum hultenianum (Yurtsev) Tzvelev var. lapathifolium (Cham. & Schlecht.) S.-P. Hong ACHUL Polygonum alpinum Pleuropteropyrum alpinum (All.) Nakai PLAL5 Polygonum alpinum Polygonum alaskanum W. Wight ex Hult POAL5 Polygonum alpinum Polygonum alaskanum W. Wight ex Hult?n var. glabrescens Hult POALG Polygonum amphibium var. emersum Persicaria amphibia (L.) S.F. Gray p.p. PEAM8 Polygonum amphibium var. emersum Persicaria amphibia (L.) S.F. Gray var. emersa (Michx.) Hickman PEAME Polygonum amphibium var. emersum Persicaria coccinea (Muhl. ex Willd.) Greene PECO23 Polygonum amphibium var. emersum Persicaria muehlenbergii (S. Wats.) Small PEMU11 Polygonum amphibium var. emersum Polygonum amphibium L. var. coccineum (Muhl. ex Willd.) Farw. POAMC Polygonum amphibium var. emersum Polygonum coccineum Muhl. ex Willd. POCO8 Polygonum amphibium var. emersum Polygonum coccineum Muhl. ex Willd. var. pratincola (Greene) Stanford POCOP4 Polygonum amphibium var. emersum Polygonum coccineum Muhl. ex Willd. var. terrestre Willd. POCOT Polygonum amphibium var. emersum Polygonum muehlenbergii S. Wats. POMU10 Polygonum amphibium var. emersum Polygonum muehlenbergii S. Wats. var. terrestre (Willd.) Trel. POMUT Polygonum amphibium var. stipulaceum Persicaria amphibia (L.) S.F. Gray var. stipulacea (Coleman) Hara PEAMS Polygonum amphibium var. stipulaceum Persicaria mesochora Greene PEME10 Polygonum amphibium var. stipulaceum Persicaria nebraskensis Greene PENE10 Polygonum amphibium var. stipulaceum Polygonum amphibium L. ssp. laevimarginatum Hult POAML Polygonum amphibium var. stipulaceum Polygonum amphibium L. var. hartwrightii (Gray) Bissell POAMH Polygonum amphibium var. stipulaceum Polygonum coccineum Muhl. ex Willd. var. rigidulum (Sheldon) Stanford POCOR2 Polygonum amphibium var. stipulaceum Polygonum fluitans Eat. POFL12 Polygonum amphibium var. stipulaceum Polygonum hartwrightii Gray POHA13 Polygonum amphibium var. stipulaceum Polygonum inundatum Raf. POIN14 Polygonum amphibium var. stipulaceum Polygonum natans Eat. PONA3 Polygonum arenastrum Polygonum aequale Lindm. POAE3 Polygonum arenastrum Polygonum aviculare L. var. arenastrum (Jord. ex Boreau) Rouy POAVA Polygonum arenastrum Polygonum montereyense Brenckle POMO4 Polygonum arifolium Persicaria arifolia (L.) Harolds. PEAR13 Polygonum arifolium Polygonum arifolium L. var. lentiforme Fern. & Grisc. POARL3 Polygonum arifolium Polygonum arifolium L. var. pubescens (Keller) Fern. POARP Polygonum arifolium Tracaulon arifolium (L.) Raf. TRAR6 Polygonum aviculare Polygonum aviculare L. var. vegetum Ledeb. POAVV Polygonum aviculare Polygonum heterophyllum Lindl. POHE14 Polygonum aviculare Polygonum monspeliense Pers. POMO8 Polygonum baldschuanicum Bilderdykia aubertii (Henry) Moldenke BIAU2 Polygonum baldschuanicum Bilderdykia baldschuanica (Regel) D.A. Webb BIBA Polygonum baldschuanicum Fallopia aubertii (Henry) Holub FAAU Polygonum baldschuanicum Fallopia baldschuanica (Regel) Holub FABA Polygonum baldschuanicum Polygonum aubertii Henry POAU4 Polygonum baldschuanicum Reynoutria baldschuanica (Regel) Shinners REBA Polygonum bellardii Polygonum aviculare L. var. angustissimum Meisn. POAVA2 Polygonum bellardii Polygonum neglectum Bess. PONE8 Polygonum bellardii Polygonum provinciale K. Koch POPR9 Polygonum bellardii Polygonum rurivagum Jord. ex Boreau PORU12 Polygonum bidwelliae Duravia bidwelliae (S. Wats.) Greene DUBI Polygonum bistorta var. bistorta Persicaria bistorta (L.) Samp. PEBI7 Polygonum bistorta var. plumosum Polygonum bistorta L. ssp. plumosum (Small) Hult POBIP2 Polygonum bistorta var. plumosum Polygonum plumosum Small POPL4 Polygonum bistortoides Bistorta bistortoides (Pursh) Small BIBI5 Polygonum bistortoides Persicaria bistortoides (Pursh) H. Hinds PEBI5 Polygonum bistortoides Polygonum bistortoides Pursh var. linearifolium (S. Wats.) Small POBIL Polygonum bistortoides Polygonum bistortoides Pursh var. oblongifolium (Meisn.) St. John POBIO Polygonum bistortoides Polygonum cephalophorum Greene POCE5 Polygonum bistortoides Polygonum glastifolium Greene POGL12 Polygonum bistortoides Polygonum vulcanicum Greene POVU4 Polygonum bungeanum Persicaria bungeana (Turcz.) Nakai ex T. Mori PEBU3 Polygonum buxiforme Polygonum aviculare L. var. littorale auct. non (Link) Mert. [misapplied] POAVL Polygonum buxiforme Polygonum littorale auct. non Link [misapplied] POLI8 Polygonum caespitosum Polygonum cespitosum Blume [orthographic variant] POCE4 Polygonum caespitosum var. ?caespitosum Persicaria caespitosa (Blume) Nakai PECA39 Polygonum caespitosum var. ?caespitosum Polygonum cespitosum Blume var. cespitosum Blume [orthographic variant] POCEC Polygonum caespitosum var. longisetum Persicaria caespitosa (Blume) Nakai var. longiseta (de Bruyn) C.F. Reed PECAL Polygonum caespitosum var. longisetum Persicaria longiseta (de Bruyn) Moldenke PELO10 Polygonum caespitosum var. longisetum Polygonum cespitosum Blume var. longisetum (de Bruyn) A.N. Steward [orthographic variant] POCEL Polygonum caespitosum var. longisetum Polygonum longisetum de Bruyn POLO12 Polygonum californicum Polygonum greenii S. Wats. POGR16 Polygonum capitatum Persicaria capitata (Buch.-Ham. ex D. Don) Gross. PECA29 Polygonum careyi Persicaria careyi (Olney) Greene PECA30 Polygonum caurianum Polygonum humifusum Pallas POHU3 Polygonum chinense Persicaria chinensis (L.) A. L?ve PECH4 Polygonum cilinode Bilderdykia cilinodis (Michx.) Greene BICI Polygonum cilinode Bilderdykia cilinodis (Michx.) Greene var. laevigata (Fern.) C.F. Reed BICIL Polygonum cilinode Fallopia cilinodis (Michx.) Holub FACI Polygonum cilinode Polygonum cilinode Michx. var. laevigatum Fern. POCIL Polygonum cilinode Reynoutria cilinodis (Michx.) Shinners RECI Polygonum cilinode Tiniaria cilinodis (Michx.) Small TICI3 Polygonum convolvulus var. convolvulus Bilderdykia convolvulus (L.) Dumort. BICO7 Polygonum convolvulus var. convolvulus Fallopia convolvulus (L.) A. L?ve FACO Polygonum convolvulus var. convolvulus Reynoutria convolvulus (L.) Shinners RECO Polygonum convolvulus var. convolvulus Tiniaria convolvulus (L.) Webb & Moq. TICO5 Polygonum cuspidatum Fallopia japonica (Houtt.) R. Decr. FAJA2 Polygonum cuspidatum Pleuropterus cuspidatus (Sieb. & Zucc.) Moldenke PLCU3 Polygonum cuspidatum Pleuropterus zuccarinii (Small) Small PLZU Polygonum cuspidatum Polygonum cuspidatum Sieb. & Zucc. var. compactum (Hook. f.) Bailey POCUC2 Polygonum cuspidatum Polygonum zuccarinii Small POZU Polygonum cuspidatum Reynoutria japonica Houtt. REJA2 Polygonum davisiae Aconogonum davisiae (Brewer ex Gray) Soj ACDA3 Polygonum davisiae Aconogonum davisiae (Brewer ex Gray) Soj?k var. glabrum (G.N. Jones) S.-P. Hong ACDAG Polygonum davisiae Aconogonum newberryi (Small) Soj ACNE5 Polygonum davisiae Polygonum newberryi Small PONE5 Polygonum davisiae Polygonum newberryi Small var. glabrum G.N. Jones PONEG Polygonum douglasii ssp. austiniae Polygonum austiniae Greene POAU2 Polygonum douglasii ssp. austiniae Polygonum douglasii Greene var. austiniae (Greene) M.E. Jones PODOA Polygonum douglasii ssp. douglasii Polygonum buxiforme Small var. montanum (Small) R.J. Davis POBUM Polygonum douglasii ssp. douglasii Polygonum douglasii Greene var. latifolium (Engelm.) Greene PODOL Polygonum douglasii ssp. douglasii Polygonum emaciatum A. Nels. POEM3 Polygonum douglasii ssp. douglasii Polygonum montanum Small POMO16 Polygonum douglasii ssp. engelmannii Polygonum douglasii Greene var. microspermum (Engelm.) Dorn PODOM4 Polygonum douglasii ssp. engelmannii Polygonum engelmannii Greene POEN Polygonum douglasii ssp. engelmannii Polygonum microspermum (Engelm.) Small POMI14 Polygonum douglasii ssp. engelmannii Polygonum tenue Michx. var. microspermum Engelm. POTEM Polygonum douglasii ssp. johnstonii Polygonum douglasii Greene var. johnstonii Munz PODOJ Polygonum douglasii ssp. johnstonii Polygonum sawatchense Small POSA17 Polygonum douglasii ssp. johnstonii Polygonum triandrum Coolidge POTR16 Polygonum douglasii ssp. johnstonii Polygonum utahense Brenckle & Cottam POUT Polygonum douglasii ssp. majus Polygonum coarctatum Dougl. ex Hook. f. var. majus Meisn. POCOM3 Polygonum douglasii ssp. majus Polygonum majus (Meisn.) Piper POMA9 Polygonum douglasii ssp. nuttallii Polygonum nuttallii Small PONU3 Polygonum douglasii ssp. spergulariiforme Polygonum spergulariiforme Meisn. ex Small POSP Polygonum erectum Polygonum aviculare L. var. erectum (L.) Roth ex Meisn. POAVE Polygonum fowleri Polygonum buxifolium Nutt. ex Bong. POBU5 Polygonum glabrum Persicaria densiflora (Meisn.) Moldenke PEDE15 Polygonum glabrum Persicaria glabra (Willd.) G. Maza PEGL23 Polygonum glabrum Persicaria portoricensis (Bertero ex Small) Small PEPO8 Polygonum glabrum Polygonum densiflorum Meisn. PODE2 Polygonum glabrum Polygonum portoricense Bertero ex Small POPO16 Polygonum glaucum Polygonum maritimum auct. non L. [misapplied] POMA27 Polygonum hirsutum Persicaria hirsuta (Walt.) Small PEHI6 Polygonum hydropiper Persicaria hydropiper (L.) Opiz PEHY6 Polygonum hydropiper Polygonum hydropiper L. var. projectum Stanford POHYP Polygonum hydropiperoides Persicaria hydropiperoides (Michx.) Small PEHY7 Polygonum hydropiperoides Persicaria hydropiperoides (Michx.) Small var. breviciliata (Fern.) C.F. Reed PEHYB Polygonum hydropiperoides Persicaria hydropiperoides (Michx.) Small var. euronotora (Fern.) C.F. Reed PEHYE Polygonum hydropiperoides Persicaria hydropiperoides (Michx.) Small var. opelousana (Riddell ex Small) J.S. Wilson PEHYO Polygonum hydropiperoides Persicaria opelousana (Riddell ex Small) Small PEOP3 Polygonum hydropiperoides Persicaria paludicola Small PEPA42 Polygonum hydropiperoides Persicaria persicarioides (Kunth) Small PEPE28 Polygonum hydropiperoides Polygonum hydropiperoides Michx. var. adenocalyx (Stanford) Gleason POHYA Polygonum hydropiperoides Polygonum hydropiperoides Michx. var. asperifolium Stanford POHYA2 Polygonum hydropiperoides Polygonum hydropiperoides Michx. var. breviciliatum Fern. POHYB Polygonum hydropiperoides Polygonum hydropiperoides Michx. var. bushianum Stanford POHYB2 Polygonum hydropiperoides Polygonum hydropiperoides Michx. var. digitatum Fern. POHYD Polygonum hydropiperoides Polygonum hydropiperoides Michx. var. euronotorum Fern. POHYE Polygonum hydropiperoides Polygonum hydropiperoides Michx. var. opelousanum (Riddell ex Small) Riddell ex W. Stone POHYO Polygonum hydropiperoides Polygonum hydropiperoides Michx. var. psilostachyum St. John POHYP2 Polygonum hydropiperoides Polygonum hydropiperoides Michx. var. strigosum (Small) Stanford POHYS Polygonum hydropiperoides Polygonum opelousanum Riddell ex Small POOP2 Polygonum hydropiperoides Polygonum opelousanum Riddell ex Small var. adenocalyx Stanford POOPA Polygonum hydropiperoides Polygonum persicarioides Kunth POPE20 Polygonum lapathifolium Persicaria incarnata (Ell.) Small PEIN11 Polygonum lapathifolium Persicaria lapathifolia (L.) S.F. Gray PELA22 Polygonum lapathifolium Persicaria tomentosa (Schrank) Bickn. PETO5 Polygonum lapathifolium Polygonum incanum F.W. Schmidt POIN22 Polygonum lapathifolium Polygonum incarnatum Ell. POIN19 Polygonum lapathifolium Polygonum lapathifolium L. ssp. pallidum (With.) Fries POLAP Polygonum lapathifolium Polygonum lapathifolium L. var. incanum (F.W. Schmidt) W.D.J. Koch POLAI Polygonum lapathifolium Polygonum lapathifolium L. var. nodosum (Pers.) Small POLAN2 Polygonum lapathifolium Polygonum lapathifolium L. var. ovatum A. Braun POLAO Polygonum lapathifolium Polygonum lapathifolium L. var. prostratum C.F.H. Wimmer POLAP2 Polygonum lapathifolium Polygonum lapathifolium L. var. salicifolium Sibthorp POLAS Polygonum lapathifolium Polygonum nodosum Pers. PONO5 Polygonum lapathifolium Polygonum oneillii Brenckle POON Polygonum lapathifolium Polygonum pensylvanicum L. ssp. oneillii (Brenckle) Hult POPEO2 Polygonum lapathifolium Polygonum scabrum Moench POSC15 Polygonum lapathifolium Polygonum tomentosum Schrank POTO3 Polygonum meisnerianum var. beyrichianum Polygonum beyrichianum Cham. & Schlecht. POBE7 Polygonum minus Persicaria minor (Huds.) Opiz PEMI18 Polygonum nepalense Polygonum alatum Hamilton ex D. Don POAL15 Polygonum orientale Persicaria orientalis (L.) Assenov PEOR9 Polygonum orientale Polygonum spaethii Dammer POSP10 Polygonum oxyspermum Polygonum graminifolium Wierzb. ex Heuffel [excluded] POGR26 Polygonum patulum Polygonum bellardii auct. non All. [misapplied] POBE8 Polygonum pensylvanicum Persicaria bicornis (Raf.) Nieuwl. PEBI4 Polygonum pensylvanicum Persicaria longistyla (Small) Small PELO7 Polygonum pensylvanicum Persicaria mississippiensis (Stanford) Small PEMI9 Polygonum pensylvanicum Persicaria pensylvanica (L.) Small PEPE19 Polygonum pensylvanicum Persicaria pensylvanica (L.) Small var. dura (Stanford) C.F. Reed PEPED Polygonum pensylvanicum Polygonum bicorne Raf. POBI11 Polygonum pensylvanicum Polygonum longistylum Small POLO13 Polygonum pensylvanicum Polygonum longistylum Small var. omissum (Greene) Stanford POLOO Polygonum pensylvanicum Polygonum mexicanum auct. non Small [misapplied] POME6 Polygonum pensylvanicum Polygonum mississippiense Stanford POMI10 Polygonum pensylvanicum Polygonum mississippiense Stanford var. interius Stanford POMII Polygonum pensylvanicum Polygonum pensylvanicum L. var. durum Stanford POPED Polygonum pensylvanicum Polygonum pensylvanicum L. var. eglandulosum J.C. Myers POPEE Polygonum pensylvanicum Polygonum pensylvanicum L. var. genuinum Fern. POPEG Polygonum pensylvanicum Polygonum pensylvanicum L. var. laevigatum Fern. POPEL2 Polygonum pensylvanicum Polygonum pensylvanicum L. var. rosiflorum J.B.S. Norton POPER3 Polygonum perfoliatum Ampelygonum perfoliatum (L.) Roberty & Vautier AMPE4 Polygonum persicaria Persicaria maculata (Raf.) S.F. Gray [orthographic error] PEMA17 Polygonum persicaria Persicaria maculosa S.F. Gray PEMA24 Polygonum persicaria Persicaria persicaria (L.) Small PEPE18 Polygonum persicaria Persicaria ruderalis (Salisb.) C.F. Reed PERU8 Polygonum persicaria Persicaria ruderalis (Salisb.) C.F. Reed var. vulgaris (Webb & Moq.) C.F. Reed PERUV Polygonum persicaria Persicaria vulgaris Webb & Moq. PEVU Polygonum persicaria Polygonum dubium Stein PODU3 Polygonum persicaria Polygonum fusiforme Greene POFU Polygonum persicaria Polygonum minus auct. non Huds. [misapplied] POMI11 Polygonum persicaria Polygonum minus Huds. var. subcontinuum (Meisn.) Fern. POMIS Polygonum persicaria Polygonum persicaria L. var. angustifolium Beckh. POPEA2 Polygonum persicaria Polygonum persicaria L. var. ruderale (Salisb.) Meisn. POPER2 Polygonum persicaria Polygonum puritanorum Fern. POPU11 Polygonum phytolaccifolium Aconogonum phytolaccifolium (Meisn. ex Small) Small ex Rydb. ACPH2 Polygonum phytolaccifolium Aconogonum phytolaccifolium (Meisn. ex Small) Small ex Rydb. var. glabrum S.-P. Hong ACPHG Polygonum polygaloides ssp. confertiflorum Polygonum confertiflorum Nutt. ex Piper POCO9 Polygonum polygaloides ssp. confertiflorum Polygonum imbricatum Nutt. POIM2 Polygonum polygaloides ssp. confertiflorum Polygonum kelloggii Greene var. confertiflorum (Nutt. ex Piper) Dorn POKEC Polygonum polygaloides ssp. confertiflorum Polygonum watsonii Small POWA3 Polygonum polygaloides ssp. esotericum Polygonum esotericum L.C. Wheeler POES Polygonum polygaloides ssp. kelloggii Polygonum kelloggii Greene POKE2 Polygonum polygaloides ssp. kelloggii Polygonum unifolium Greene POUN5 Polygonum polystachyum Aconogonum polystachyum (Wallich ex Meisn.) Haraldson ACPO7 Polygonum punctatum var. confertiflorum Persicaria punctata (Ell.) Small var. leptostachya (Meisn.) Small PEPUL Polygonum punctatum var. confertiflorum Polygonum punctatum Ell. var. leptostachyum (Meisn.) Small POPUL2 Polygonum punctatum var. confertiflorum Polygonum punctatum Ell. var. parvum Victorin & Rouss. POPUP7 Polygonum punctatum var. punctatum Persicaria punctata (Ell.) Small PEPU18 Polygonum punctatum var. punctatum Persicaria punctata (Ell.) Small var. eciliata Small PEPUE Polygonum punctatum var. punctatum Polygonum acre Kunth POAC9 Polygonum punctatum var. punctatum Polygonum punctatum Ell. var. aquatile (Mart.) Fern. POPUA Polygonum punctatum var. punctatum Polygonum punctatum Ell. var. ellipticum Fassett POPUE Polygonum punctatum var. punctatum Polygonum punctatum Ell. var. parviflorum Fassett POPUP Polygonum raii Polygonum oxyspermum C.A. Mey. & Bunge ex Ledeb. ssp. raii (Bab.) Webb & Chater POOXR Polygonum ramosissimum var. prolificum Polygonum prolificum (Small) B.L. Robins. POPR10 Polygonum ramosissimum var. ramosissimum Polygonum allocarpum Blake POAL10 Polygonum ramosissimum var. ramosissimum Polygonum atlanticum (B.L. Robins.) Bickn. p.p. POAT5 Polygonum ramosissimum var. ramosissimum Polygonum autumnale Brenckle POAU5 Polygonum ramosissimum var. ramosissimum Polygonum exsertum auct. p.p., non Small POEX4 Polygonum ramosissimum var. ramosissimum Polygonum interius Brenckle POIN16 Polygonum ramosissimum var. ramosissimum Polygonum triangulum Bickn. POTR17 Polygonum robustius Persicaria robustior (Small) Bickn. PERO7 Polygonum robustius Polygonum punctatum Ell. var. majus (Meisn.) Fassett POPUM Polygonum robustius Polygonum punctatum Ell. var. robustius Small POPUR Polygonum sachalinense Fallopia sachalinensis (F. Schmidt ex Maxim.) R. Decr. FASA3 Polygonum sachalinense Reynoutria sachalinensis (F. Schmidt ex Maxim.) Nakai RESA2 Polygonum sagittatum Persicaria sagittata (L.) Gross. PESA20 Polygonum sagittatum Polygonum sagittatum L. var. gracilentum Fern. POSAG Polygonum sagittatum Tracaulon sagittatum (L.) Small TRSA4 Polygonum sagittatum Tracaulon sagittatum (L.) Small var. gracilentum (Fern.) C.F. Reed TRSAG Polygonum sagittatum Truellum sagittatum (L.) Soj TRSA7 Polygonum scandens var. cristatum Bilderdykia cristata (Engelm. & Gray) Greene BICR Polygonum scandens var. cristatum Bilderdykia scandens (L.) Greene var. cristata (Engelm. & Gray) C.F. Reed BISCC Polygonum scandens var. cristatum Polygonum cristatum Engelm. & Gray POCR9 Polygonum scandens var. cristatum Reynoutria scandens (L.) Shinners var. cristata (Engelm. & Gray) Shinners RESCC Polygonum scandens var. cristatum Tiniaria cristata (Engelm. & Gray) Small TICR2 Polygonum scandens var. dumetorum Bilderdykia dumetorum (L.) Dumort. BIDU Polygonum scandens var. dumetorum Polygonum dumetorum L. PODU4 Polygonum scandens var. dumetorum Reynoutria scandens (L.) Shinners var. dumetorum (L.) Shinners RESCD Polygonum scandens var. dumetorum Tiniaria dumetorum (L.) Opiz TIDU Polygonum scandens var. scandens Bilderdykia scandens (L.) Greene BISC Polygonum scandens var. scandens Fallopia scandens (L.) Holub FASC Polygonum scandens var. scandens Polygonum dumetorum L. var. scandens (L.) Gray PODUS Polygonum scandens var. scandens Reynoutria scandens (L.) Shinners RESC Polygonum scandens var. scandens Tiniaria scandens (L.) Small TISC Polygonum segetum Persicaria segeta (Kunth) Small PESE17 Polygonum setaceum Persicaria setacea (Baldw.) Small PESE15 Polygonum setaceum Persicaria setacea (Baldw.) Small var. interjecta (Fern.) C.F. Reed PESEI Polygonum setaceum Persicaria setacea (Baldw.) Small var. tonsa (Fern.) C.F. Reed PESET Polygonum setaceum Polygonum hydropiperoides Michx. var. setaceum (Baldw.) Gleason POHYS2 Polygonum setaceum Polygonum setaceum Baldw. var. interjectum Fern. POSEI Polygonum setaceum Polygonum setaceum Baldw. var. tonsum Fern. POSET Polygonum striatulum Polygonum brasiliense K. Koch POBR20 Polygonum striatulum Polygonum braziliense K. Koch [orthographic variant] POBR3 Polygonum striatulum Polygonum camporum Meisn. POCA28 Polygonum striatulum Polygonum texense M.C. Johnston POTE6 Polygonum tenue Polygonum tenue Michx. var. protrusum Fern. POTEP Polygonum virginianum Antenoron virginianum (L.) Roberty & Vautier ANVI12 Polygonum virginianum Persicaria virginiana (L.) Gaertn. PEVI13 Polygonum virginianum Polygonum virginianum L. var. glaberrimum (Fern.) Steyermark POVIG2 Polygonum virginianum Tovara virginiana (L.) Raf. TOVI2 Polygonum virginianum Tovara virginiana (L.) Raf. var. glaberrima Fern. TOVIG Polygonum viviparum Bistorta vivipara (L.) S.F. Gray BIVI2 Polygonum viviparum Persicaria vivipara (L.) R. Decr. PEVI19 Polygonum viviparum Polygonum fugax Small POFU3 Polygonum viviparum Polygonum macounii Small ex Macoun POMA28 Polygonum viviparum Polygonum viviparum L. var. alpinum Wahlenb. POVIA Polygonum viviparum Polygonum viviparum L. var. macounii (Small ex Macoun) Hult POVIM2 pretty buckwheat Eriogonum bicolor M.E. Jones ERBI prickly spineflower Chorizanthe rectispina Goodman CHRE Priest Valley spineflower Chorizanthe ventricosa Goodman CHVE3 Pringle's bastardsage Eriogonum wrightii Torr. ex Benth. var. pringlei (Coult. & Fisher) Reveal ERWRP prostrate buckwheat Eriogonum prociduum Reveal ERPR9 prostrate knotweed Polygonum aviculare L. POAV prostrate spineflower Chorizanthe procumbens Nutt. CHPR4 protruding buckwheat Eriogonum nudum Dougl. ex Benth. var. indictum (Jepson) Reveal ERNUI pterostegia Pterostegia Fisch. & C.A. Mey. PTERO4 puckhout Coccoloba microstachya Willd. COMI Purpus's buckwheat Eriogonum purpusii Brandeg. ERPU15 pygmy smartweed Polygonum minus L. POMI21 Ramona spineflower Chorizanthe leptotheca Goodman CHLE6 Ray's knotweed Polygonum raii Bab. PORA6 red buckwheat Eriogonum atrorubens Engelm. ERAT2 Red Canyon buckwheat Eriogonum aretioides Barneby ERAR8 Red Creek buckwheat Johanneshowellia puberula (S.Watson) Reveal JOPU red dock Rumex bucephalophorus L. RUBU3 Red Mountain buckwheat Eriogonum kelloggii Gray ERKE red triangles Centrostegia thurberi Gray ex Benth. CETH3 Redding buckwheat Eriogonum spergulinum Gray var. reddingianum (M.E. Jones) J.T. Howell ERSPR redflower buckwheat Eriogonum grande Greene ERGR12 redflower buckwheat Eriogonum grande Greene var. grande ERGRG5 redflower buckwheat Eriogonum grande Greene var. rubescens (Greene) Munz ERGRR redroot buckwheat Eriogonum racemosum Nutt. ERRA3 redstem buckwheat Eriogonum rubricaule Tidestrom ERRU redvein dock Rumex sanguineus L. RUSA2 Reveal's buckwheat Eriogonum contiguum (Reveal) Reveal ERCO20 Rheum rhabarbarum Rheum rhaponticum auct. non L. [misapplied] RHRH5 rhubarb Rheum L. RHEUM ribbonbush Homalocladium platycladum (F.J. Muell.) Bailey HOPL5 Riverside spineflower Chorizanthe xanti S. Wats. CHXA2 Riverside spineflower Chorizanthe xanti S. Wats. var. leucotheca Goodman CHXAL Riverside spineflower Chorizanthe xanti S. Wats. var. xanti CHXAX robust Hoffmann's buckwheat Eriogonum hoffmannii S. Stokes var. robustius S. Stokes ERHOR robust spineflower Chorizanthe robusta Parry CHRO robust spineflower Chorizanthe robusta Parry var. hartwegii (Benth.) Reveal & R. Morgan CHROH robust spineflower Chorizanthe robusta Parry var. robusta CHROR rock buckwheat Eriogonum sphaerocephalum Dougl. ex Benth. ERSP7 rock buckwheat Eriogonum sphaerocephalum Dougl. ex Benth. var. fasciculifolium (A. Nels.) S. Stokes ERSPF rock buckwheat Eriogonum sphaerocephalum Dougl. ex Benth. var. halimioides S. Stokes ERSPH rock buckwheat Eriogonum sphaerocephalum Dougl. ex Benth. var. sphaerocephalum ERSPS4 rockjasmine buckwheat Eriogonum androsaceum Benth. ERAN5 rose and white buckwheat Eriogonum gracillimum S. Wats. ERGR6 rosy buckwheat Eriogonum rosense A. Nels. & Kennedy ERRO rosy buckwheat Eriogonum rosense A. Nels. & Kennedy var. rosense ERROR2 roundleaf buckwheat Eriogonum rotundifolium Benth. ERRO2 roundleaf oxytheca Oxytheca perfoliata Torr. & Gray OXPE2 Ruby Mountain buckwheat Eriogonum kingii Torr. & Gray ERKI Rumex ?acutus Rumex ?crispobtusifolius Meisn. RUCR3 Rumex ?acutus Rumex pratensis Mert. & Koch RUPR12 Rumex acetosa ssp. alpestris Acetosa alpestris (Jacq.) A. L?ve ACAL8 Rumex acetosa ssp. alpestris Acetosa pratensis P. Mill. ssp. alpestris (Jacq.) A. L?ve ACPRA Rumex acetosa ssp. alpestris Rumex alpestris Jacq. RUAL11 Rumex acetosa ssp. thyrsiflorus Rumex thyrsiflorus Fingerhuth RUTH3 Rumex acetosella Acetosella acetosella (L.) Small ACAC5 Rumex acetosella Acetosella tenuifolia (Wallr.) A. L?ve ACTE3 Rumex acetosella Acetosella vulgaris (Koch) Fourr. ACVU Rumex acetosella Rumex acetosella L. ssp. angiocarpus (Murb.) Murb. RUACA5 Rumex acetosella Rumex acetosella L. var. pyrenaeus (Pourret) Timbal-Lagrave RUACP2 Rumex acetosella Rumex acetosella L. var. tenuifolius Wallr. RUACT2 Rumex acetosella Rumex angiocarpus Murb. RUAN Rumex acetosella Rumex tenuifolius (Wallr.) A. L?ve RUTE5 Rumex altissimus Rumex britannica Meisn., non L. RUBR14 Rumex altissimus Rumex brittanicus Meisn., non L. [orthographic variant] RUBR3 Rumex altissimus Rumex ellipticus Greene RUEL6 Rumex aquaticus var. fenestratus Rumex aquaticus L. ssp. fenestratus (Greene) Hult RUAQF2 Rumex aquaticus var. fenestratus Rumex aquaticus L. ssp. occidentalis (S. Wats.) Hult RUAQO Rumex aquaticus var. fenestratus Rumex fenestratus Greene RUFE3 Rumex aquaticus var. fenestratus Rumex occidentalis S. Wats. RUOC3 Rumex aquaticus var. fenestratus Rumex occidentalis S. Wats. var. fenestratus (Greene) Lepage RUOCF Rumex aquaticus var. fenestratus Rumex occidentalis S. Wats. var. labradoricus (Rech. f.) Lepage RUOCL Rumex aquaticus var. fenestratus Rumex occidentalis S. Wats. var. procerus (Greene) J.T. Howell RUOCP Rumex aquaticus var. fenestratus Rumex subalpinus M.E. Jones RUSU2 Rumex chrysocarpus Rumex berlandieri Meisn. RUBE6 Rumex crispus ssp. fauriei Rumex fauriei Rech. f. RUFA6 Rumex densiflorus Rumex praecox Rydb. RUPR16 Rumex densiflorus Rumex pycnanthus Rech. f. RUPY Rumex dentatus Rumex dentatus L. ssp. klotzschianus (Meisn.) Rech. f. RUDEK Rumex frutescens Rumex cuneifolius Campd. RUCU2 Rumex giganteus Rumex giganteus Ait. var. nelsonii O.& I. Deg. RUGIN Rumex graminifolius Acetosella graminifolia (Georgi ex Lamb.) A. L?ve ACGR6 Rumex hymenosepalus Rumex hymenosepalus Torr. var. euhymenosepalus Rech. f. RUHYE Rumex hymenosepalus Rumex hymenosepalus Torr. var. salinus (A. Nels.) Rech. f. RUHYS Rumex longifolius Rumex domesticus Hartman RUDO Rumex maritimus Rumex fueginus Phil. RUFU3 Rumex maritimus Rumex maritimus L. ssp. fueginus (Phil.) Hult RUMAF Rumex maritimus Rumex maritimus L. var. athrix St. John RUMAA Rumex maritimus Rumex maritimus L. var. fueginus (Phil.) Dusen RUMAF2 Rumex maritimus Rumex maritimus L. var. persicarioides (L.) R.S. Mitchell RUMAP2 Rumex maritimus Rumex persicarioides L. RUPE11 Rumex obtusifolius Acetosa oblongifolia (L.) A.& D. L?ve ACOB3 Rumex obtusifolius Rumex obtusifolius L. ssp. agrestis (Fries) Danser RUOBA Rumex obtusifolius Rumex obtusifolius L. ssp. sylvestris (Wallr.) Rech. f. RUOBS Rumex obtusifolius Rumex obtusifolius L. var. sylvestris (Wallr.) Koch RUOBS2 Rumex orbiculatus var. borealis Rumex britannica Amer. auct., non L. RUBR4 Rumex paucifolius ssp. gracilescens Acetosa gracilescens (Rech. f.) A. L?ve & Evenson ACGR7 Rumex paucifolius ssp. gracilescens Rumex paucifolius Nutt. var. gracilescens Rech. f. RUPAG4 Rumex paucifolius ssp. paucifolius Acetosella paucifolia (Nutt.) A. L?ve ACPA6 Rumex pseudonatronatus Rumex fennicus (Murb.) Murb. RUFE4 Rumex pulcher Rumex pulcher L. ssp. divaricatus (L.) Murb. RUPUD Rumex salicifolius var. crassus Rumex crassus Rech. f. RUCR4 Rumex salicifolius var. denticulatus Rumex californicus Rech. f. RUCA8 Rumex salicifolius var. denticulatus Rumex hesperis Greene RUHE6 Rumex salicifolius var. denticulatus Rumex mexicanus Meisn. var. strictus M.E. Peck RUMES Rumex salicifolius var. denticulatus Rumex salicifolius Weinm. var. montigenitus Jepson RUSAM2 Rumex salicifolius var. denticulatus Rumex utahensis Rech. f. RUUT Rumex salicifolius var. lacustris Rumex lacustris Greene RULA4 Rumex salicifolius var. mexicanus Rumex mexicanus Meisn. RUME2 Rumex salicifolius var. mexicanus Rumex mexicanus Meisn. var. angustifolius (Meisn.) Boivin RUMEA Rumex salicifolius var. mexicanus Rumex mexicanus Meisn. var. subarcticus (Lepage) Boivin RUMES3 Rumex salicifolius var. mexicanus Rumex quadrangulivalvis (Danser) Rech. f. RUQU3 Rumex salicifolius var. mexicanus Rumex salicifolius Weinm. ssp. triangulivalvis Danser RUSAT2 Rumex salicifolius var. mexicanus Rumex salicifolius Weinm. var. triangulivalvis (Danser) C.L. Hitchc. RUSAT3 Rumex salicifolius var. mexicanus Rumex subarcticus LePage RUSU14 Rumex salicifolius var. mexicanus Rumex triangulivalvis (Danser) Rech. f. RUTR3 Rumex salicifolius var. mexicanus Rumex triangulivalvis (Danser) Rech. f. var. oreolapathum Rech. f. RUTRO Rumex salicifolius var. transitorius Rumex mexicanus Meisn. var. transitorius (Rech. f.) Boivin RUMET Rumex salicifolius var. transitorius Rumex transitorius Rech. f. RUTR7 Rumex sibiricus Rumex mexicanus Meisn. var. sibiricus (Hult?n) Boivin RUMES2 Rumex verticillatus Rumex fascicularis Small RUFA Rumex verticillatus Rumex floridanus Meisn. RUFL2 rupturewort Polygonum herniarioides Delile POHE18 saltwort buckwheat Eriogonum salicornioides Gandog. ERSA8 salty buckwheat Stenogonum salsuginosum Nutt. STSA3 San Benito spineflower Chorizanthe douglasii Benth. CHDO2 San Bernardino buckwheat Eriogonum microthecum Nutt. var. corymbosoides Reveal ERMIC San Bernardino spineflower Chorizanthe parryi S. Wats. CHPA9 San Bernardino spineflower Chorizanthe parryi S. Wats. var. parryi CHPAP2 San Carlos buckwheat Eriogonum capillare Small ERCA11 San Clemente Island buckwheat Eriogonum giganteum S. Wats. var. formosum Brandeg. ERGIF San Diego spineflower Chorizanthe orcuttiana Parry CHOR San Fernando Valley spineflower Chorizanthe parryi S. Wats. var. fernandina (S. Wats.) Jepson CHPAF San Francisco spineflower Chorizanthe cuspidata S. Wats. CHCU3 San Francisco spineflower Chorizanthe cuspidata S. Wats. var. cuspidata CHCUC San Francisco spineflower Chorizanthe cuspidata S. Wats. var. villosa (Eastw.) Munz CHCUV San Jacinto buckwheat Eriogonum apiculatum S. Wats. ERAP2 San Luis Obispo spineflower Chorizanthe breweri S. Wats. CHBR2 San Nicolas Island buckwheat Eriogonum grande Greene var. timorum Reveal ERGRT sand buckwheat Eriogonum leptocladon Torr. & Gray ERLE9 sand buckwheat Eriogonum leptocladon Torr. & Gray var. leptocladon ERLEL sand buckwheat Eriogonum leptocladon Torr. & Gray var. papiliunculi Reveal ERLEP sand buckwheat Eriogonum leptocladon Torr. & Gray var. ramosissimum (Eastw.) Reveal ERLER sandhill jointweed Polygonella fimbriata (Ell.) Horton POFI4 Santa Barbara Island buckwheat Eriogonum giganteum S. Wats. var. compactum Dunkle ERGIC Santa Barbara spineflower Chorizanthe wheeleri S. Wats. CHWH2 Santa Cruz Island buckwheat Eriogonum arborescens Greene ERAR6 scatter knotweed Polygonum douglasii Greene ssp. spergulariiforme (Meisn. ex Small) Hickman PODOS2 seacliff buckwheat Eriogonum parvifolium Sm. ERPA8 seagrape Coccoloba uvifera (L.) L. COUV seaside buckwheat Eriogonum latifolium Sm. ERLA5 seaside dock Rumex pallidus Bigelow RUPA4 seaside knotweed Polygonum glaucum Nutt. POGL7 Seven River Hills buckwheat Eriogonum gypsophilum Woot. & Standl. ERGY shale barren buckwheat Eriogonum allenii S. Wats. ERAL5 Shasta buckwheat Eriogonum pyrolifolium Hook. ERPY2 Shasta buckwheat Eriogonum pyrolifolium Hook. var. coryphaeum Torr. & Gray ERPYC Shasta buckwheat Eriogonum pyrolifolium Hook. var. pyrolifolium ERPYP Shasta knotweed Polygonum shastense Brewer ex Gray POSH Shockley's buckwheat Eriogonum shockleyi S. Wats. ERSH shortflower buckwheat Eriogonum brachyanthum Coville ERBR7 shortstem buckwheat Eriogonum brevicaule Nutt. ERBR5 shortstem buckwheat Eriogonum brevicaule Nutt. var. brevicaule ERBRB4 shortstem buckwheat Eriogonum brevicaule Nutt. var. laxifolium (Torr. & Gray) Reveal ERBRL shortstem buckwheat Eriogonum brevicaule Nutt. var. micranthum (Nutt.) Reveal ERBRM Siberian dock Rumex sibiricus Hult RUSI silversheath knotweed Polygonum argyrocoleon Steud. ex Kunze POAR5 Simpson's buckwheat Eriogonum microthecum Nutt. var. simpsonii (Benth.) Reveal ERMIS2 singlestem buckwheat Eriogonum acaule Nutt. ERAC3 Siskiyou buckwheat Eriogonum siskiyouense Small ERSI5 slender buckwheat Eriogonum microthecum Nutt. ERMI4 slender buckwheat Eriogonum microthecum Nutt. var. ambiguum (M.E. Jones) Reveal ERMIA2 slender buckwheat Eriogonum microthecum Nutt. var. lapidicola Reveal ERMIL slender buckwheat Eriogonum microthecum Nutt. var. laxiflorum Hook. ERMIL2 slender buckwheat Eriogonum microthecum Nutt. var. microthecum ERMIM2 slender woolly buckwheat Eriogonum gracile Benth. ERGR5 slender woolly buckwheat Eriogonum gracile Benth. var. gracile ERGRG4 slender woolly buckwheat Eriogonum gracile Benth. var. incultum Reveal ERGRI slenderhorn spineflower Dodecahema leptoceras (Gray ex Benth.) Reveal & Hardham DOLE slenderleaf buckwheat Eriogonum leptophyllum (Torr. & Gray) Woot. & Standl. ERLE10 Small's jointweed Polygonella myriophylla (Small) Horton POMY2 Snake Range buckwheat Eriogonum holmgrenii Reveal ERHO5 snow buckwheat Eriogonum niveum Dougl. ex Benth. ERNI2 Snow Mountain buckwheat Eriogonum nervulosum (S. Stokes) Reveal ERNE8 Son's buckwheat Eriogonum natum Reveal ERNA4 Sonoma spineflower Chorizanthe valida S. Wats. CHVA sorrel buckwheat Eriogonum polycladon Benth. ERPO4 southern alpine buckwheat Eriogonum kennedyi Porter ex S. Wats. var. alpigenum Munz & Johnston ERKEA southern jointweed Polygonella americana (Fisch. & C.A. Mey.) Small POAM3 southern mountain buckwheat Eriogonum kennedyi Porter ex S. Wats. var. austromontanum Munz & Johnston ERKEA2 southern threecornerjack Emex australis Steinh. EMAU spearleaf buckwheat Eriogonum lonchophyllum Torr. & Gray ERLO4 spearleaf buckwheat Eriogonum lonchophyllum Torr. & Gray var. fendlerianum (Benth.) Reveal ERLOF spearleaf buckwheat Eriogonum lonchophyllum Torr. & Gray var. lonchophyllum ERLOL3 spinecape Goodmania Reveal & Ertter GOODM spineflower Chorizanthe R. Br. ex Benth. CHORI2 spineflower Dodecahema Reveal & Hardham DODEC2 spineflower Mucronea Benth. MUCRO spineflower Systenotheca Reveal & Hardham SYSTE spiny threecornerjack Emex spinosa (L.) Campd. EMSP spinycape Aristocapsa Reveal & Hardham ARIST4 spoonleaf buckwheat Eriogonum spathulatum Gray ERSP5 spoonsepal spineflower Chorizanthe obovata Goodman CHOB4 spotted buckwheat Eriogonum maculatum Heller ERMA2 spotted ladysthumb Polygonum persicaria L. POPE3 sprawling wirevine Muehlenbeckia axillaris (Hook. f.) Walp. MUAX2 spreading buckwheat Eriogonum effusum Nutt. EREF spreading buckwheat Eriogonum effusum Nutt. var. effusum EREFE spreading buckwheat Eriogonum helichrysoides (Gandog.) Rydb. ERHE11 spurry buckwheat Eriogonum spergulinum Gray ERSP6 spurry buckwheat Eriogonum spergulinum Gray var. pratense (S. Stokes) J.T. Howell ERSPP spurry buckwheat Eriogonum spergulinum Gray var. spergulinum ERSPS3 St. Catherine's lace Eriogonum giganteum S. Wats. ERGI2 St. Catherine's lace Eriogonum giganteum S. Wats. var. giganteum ERGIG starlet spineflower Chorizanthe stellulata Benth. CHST5 Stenogonum flexum Eriogonum flexum M.E. Jones ERFL12 Stenogonum flexum Eriogonum flexum M.E. Jones var. ferronis M.E. Jones ERFLF2 Stenogonum salsuginosum Eriogonum salsuginosum (Nutt.) Hook. ERSA14 sticky buckwheat Eriogonum viscidulum J.T. Howell ERVI7 stout smartweed Polygonum robustius (Small) Fern. PORO striped knotweed Polygonum striatulum B.L. Robins. POST7 Sulphur Hot Springs buckwheat Eriogonum argophyllum Reveal ERAR18 sulphur-flower buckwheat Eriogonum polyanthum Benth. ERPO16 sulphur-flower buckwheat Eriogonum umbellatum Torr. ERUM sulphur-flower buckwheat Eriogonum umbellatum Torr. var. argus Reveal ERUMA2 sulphur-flower buckwheat Eriogonum umbellatum Torr. var. aureum (Gandog.) Reveal ERUMA3 sulphur-flower buckwheat Eriogonum umbellatum Torr. var. bahiiforme (Torr. & Gray) Jepson ERUMB sulphur-flower buckwheat Eriogonum umbellatum Torr. var. chlorothamnus Reveal ERUMC2 sulphur-flower buckwheat Eriogonum umbellatum Torr. var. cladophorum Gandog. ERUMC4 sulphur-flower buckwheat Eriogonum umbellatum Torr. var. cognatum (Greene) Reveal ERUMC3 sulphur-flower buckwheat Eriogonum umbellatum Torr. var. covillei (Small) Munz & Reveal ERUMC sulphur-flower buckwheat Eriogonum umbellatum Torr. var. deserticum Reveal ERUMD sulphur-flower buckwheat Eriogonum umbellatum Torr. var. devestivum Reveal ERUMD2 sulphur-flower buckwheat Eriogonum umbellatum Torr. var. dichrocephalum Gandog. ERUMD3 sulphur-flower buckwheat Eriogonum umbellatum Torr. var. ellipticum (Nutt.) Reveal ERUME sulphur-flower buckwheat Eriogonum umbellatum Torr. var. furcosum Reveal ERUMF sulphur-flower buckwheat Eriogonum umbellatum Torr. var. hypoleium (Piper) C.L. Hitchc. ERUMH3 sulphur-flower buckwheat Eriogonum umbellatum Torr. var. majus Hook. ERUMM sulphur-flower buckwheat Eriogonum umbellatum Torr. var. modocense (Greene) S. Stokes ERUMM9 sulphur-flower buckwheat Eriogonum umbellatum Torr. var. nevadense Gandog. ERUMN sulphur-flower buckwheat Eriogonum umbellatum Torr. var. speciosum (E. Drew) S. Stokes ERUMS3 sulphur-flower buckwheat Eriogonum umbellatum Torr. var. subaridum S. Stokes ERUMS2 sulphur-flower buckwheat Eriogonum umbellatum Torr. var. umbellatum ERUMU2 sulphur-flower buckwheat Eriogonum umbellatum Torr. var. vernum Reveal ERUMV sulphur-flower buckwheat Eriogonum umbellatum Torr. var. versicolor S. Stokes ERUMV2 swamp dock Rumex verticillatus L. RUVE3 swamp smartweed Polygonum hydropiperoides Michx. POHY2 Swartz's pigeonplum Coccoloba swartzii Meisn. COSW Systenotheca vortriedei Centrostegia vortriedei (Brandeg.) Goodman CEVO Systenotheca vortriedei Chorizanthe vortriedei Brandeg. CHVO2 tall buckwheat Eriogonum tenellum Torr. ERTE9 tall buckwheat Eriogonum tenellum Torr. var. platyphyllum (Torr. ex Benth.) Torr. ERTEP tall buckwheat Eriogonum tenellum Torr. var. ramosissimum Benth. ERTER tall buckwheat Eriogonum tenellum Torr. var. tenellum ERTET tall jointweed Polygonella gracilis Meisn. POGR10 tall woolly buckwheat Eriogonum elatum Dougl. ex Benth. EREL5 tall woolly buckwheat Eriogonum elatum Dougl. ex Benth. var. elatum ERELE tall woolly buckwheat Eriogonum elatum Dougl. ex Benth. var. villosum Jepson ERELV tapertip smartweed Polygonum acuminatum Kunth POAC6 Tartary buckwheat Fagopyrum tataricum (L.) Gaertn. FATA Telescope Peak buckwheat Eriogonum eremicola J.T. Howell & Reveal ERER4 Temblor buckwheat Eriogonum temblorense J.T. Howell & Twisselmann ERTE15 ternate buckwheat Eriogonum ternatum T.J. Howell ERTE10 Thomas's buckwheat Eriogonum thomasii Torr. ERTH Thompson's buckwheat Eriogonum thompsoniae S. Wats. ERTH2 Thompson's buckwheat Eriogonum thompsoniae S. Wats. var. albiflorum Reveal ERTHA Thompson's buckwheat Eriogonum thompsoniae S. Wats. var. thompsoniae ERTHT Thorne's buckwheat Eriogonum thornei (Reveal & Henrickson) L.M. Schultz ERTH6 threecornerjack Emex Campd. EMEX threelobe oxytheca Oxytheca trilobata Gray OXTR2 Thurber's buckwheat Eriogonum thurberi Torr. ERTH3 thymeleaf buckwheat Eriogonum thymoides Benth. ERTH4 Tiburon buckwheat Eriogonum luteolum Greene var. caninum (Greene) Reveal ERLUC Tiehm's buckwheat Eriogonum tiehmii Reveal ERTI tietongue Coccoloba diversifolia Jacq. CODI8 Toiyabe buckwheat Eriogonum esmeraldense S. Wats. var. toiyabense J.T. Howell EREST toothed dock Rumex dentatus L. RUDE3 toothed willow dock Rumex salicifolius Weinm. var. denticulatus Torr. RUSAD Trinity buckwheat Eriogonum alpinum Engelm. ERAL6 tripod buckwheat Eriogonum tripodum Greene ERTR9 tropical dock Rumex obovatus Danser RUOB3 tuber fleeceflower Polygonum multiflorum Thunb. POMU13 turkish rugging Chorizanthe staticoides Benth. CHST4 Twisselmann's buckwheat Eriogonum twisselmannii (J.T. Howell) Reveal ERTW2 twolobe spineflower Chorizanthe biloba Goodman CHBI2 twolobe spineflower Chorizanthe biloba Goodman var. biloba CHBIB twolobe spineflower Chorizanthe biloba Goodman var. immemora Reveal & Hardham CHBII twotooth buckwheat Eriogonum viridescens Heller ERVI12 unarmed buckwheat Eriogonum inerme (S. Wats.) Jepson ERIN3 unarmed buckwheat Eriogonum inerme (S. Wats.) Jepson var. hispidulum Goodman ERINH unarmed buckwheat Eriogonum inerme (S. Wats.) Jepson var. inerme ERINI3 uvera Coccoloba pyrifolia Desf. COPY uvero de monte Coccoloba sintenisii Urban ex Lindau COSI2 uvilla Coccoloba costata C. Wright ex Sauvalle COCO8 veiny dock Rumex venosus Pursh RUVE2 violet dock Rumex violascens Rech. f. RUVI volcanic buckwheat Eriogonum lemmonii S. Wats. ERLE8 Vortriede's spineflower Systenotheca vortriedei (Brandeg.) Reveal & Hardham SYVO Waldo buckwheat Eriogonum pendulum S. Wats. ERPE6 wand buckwheat Eriogonum roseum Dur. & Hilg. ERRO6 water knotweed Polygonum amphibium L. POAM8 water smartweed Polygonum amphibium L. var. stipulaceum Coleman POAMS Watson's buckwheat Eriogonum watsonii Torr. & Gray ERWA3 Watson's oxytheca Oxytheca watsonii Torr. & Gray OXWA wedgeleaf dock Rumex frutescens Thouars RUFR7 Welsh's buckwheat Eriogonum capistratum Reveal var. welshii Reveal ERCAW2 west Humboldt buckwheat Eriogonum anemophilum Greene ERAN8 western dock Rumex aquaticus L. RUAQ western dock Rumex aquaticus L. var. fenestratus (Greene) Dorn RUAQF western Heermann's buckwheat Eriogonum heermannii Dur. & Hilg. var. occidentale S. Stokes ERHEO Western Mojave buckwheat Eriogonum mohavense S. Wats. ERMO3 Weston's buckwheat Eriogonum nudum Dougl. ex Benth. var. westonii (S. Stokes) J.T. Howell ERNUW Westwater buckwheat Eriogonum scabrellum Reveal ERSC4 Wetherill's buckwheat Eriogonum wetherillii Eastw. ERWE White Mountain buckwheat Eriogonum gracilipes S. Wats. ERGR11 whitemargin knotweed Polygonum polygaloides Wallich ex Meisn. ssp. esotericum (L.C. Wheeler) Hickman POPOE whitemargin oxytheca Oxytheca emarginata Hall OXEM whitewood Coccoloba krugii Lindau COKR whitewoolly buckwheat Eriogonum ochrocephalum S. Wats. EROC2 whitewoolly buckwheat Eriogonum ochrocephalum S. Wats. var. calcareum (S. Stokes) M.E. Peck EROCC whitewoolly buckwheat Eriogonum ochrocephalum S. Wats. var. ochrocephalum EROCO2 whitewoolly buckwheat Eriogonum ochrocephalum S. Wats. var. sceptrum Reveal EROCS wickerstem buckwheat Eriogonum vimineum Dougl. ex Benth. ERVI5 Williams's buckwheat Eriogonum ovalifolium Nutt. var. williamsiae Reveal EROVW Willow Creek dock Rumex tomentellus Rech. f. RUTO willow dock Rumex salicifolius Weinm. RUSA willow dock Rumex salicifolius Weinm. var. angustivalvis Danser RUSAA willow dock Rumex salicifolius Weinm. var. crassus (Rech. f.) J.T. Howell RUSAC willow dock Rumex salicifolius Weinm. var. salicifolius RUSAS willow dock Rumex salicifolius Weinm. var. transitorius (Rech. f.) Hickman RUSAT4 winged buckwheat Eriogonum alatum Torr. ERAL4 winged buckwheat Eriogonum alatum Torr. var. alatum ERALA2 winged buckwheat Eriogonum alatum Torr. var. glabriusculum Torr. ERALG winged buckwheat Eriogonum alatum Torr. var. mogollense S. Stokes ex M.E. Jones ERALM2 winged dock Rumex spiralis Small RUSP2 wirestem buckwheat Eriogonum pharnaceoides Torr. ERPH2 wirestem buckwheat Eriogonum pharnaceoides Torr. var. cervinum Reveal ERPHC wirestem buckwheat Eriogonum pharnaceoides Torr. var. pharnaceoides ERPHP3 wirevine Muehlenbeckia hastatula (Sm.) I.M. Johnston MUHA Wisher's buckwheat Eriogonum visheri A. Nels. ERVI14 woodland pterostegia Pterostegia drymarioides Fisch. & C.A. Mey. PTDR Woodside buckwheat Eriogonum tumulosum (Barneby) Reveal ERTU2 woollycup buckwheat Eriogonum lachnogynum Torr. ex Benth. ERLA3 wrinkled spineflower Chorizanthe corrugata (Torr.) Torr. & Gray CHCO6 Wyman Creek buckwheat Eriogonum rupinum Reveal ERRU3 Yavapai County buckwheat Eriogonum ericifolium Torr. & Gray ERER6 Yavapai County buckwheat Eriogonum ericifolium Torr. & Gray var. ericifolium ERERE2 Yavapai County buckwheat Eriogonum pulchrum Eastw. ERPU21 yellow spinecape Goodmania luteola (Parry) Reveal & Ertter GOLU yellowturbans Eriogonum pusillum Torr. & Gray ERPU6 yucca buckwheat Eriogonum plumatella Dur. & Hilg. ERPL3 Zion buckwheat Eriogonum zionis J.T. Howell ERZI Zion buckwheat Eriogonum zionis J.T. Howell var. coccineum J.T. Howell ERZIC Zion buckwheat Eriogonum zionis J.T. Howell var. zionis ERZIZ

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