| Common Name | Scientific Name | Code |
| n/a | Abelmoschus manihot (L.) Medik. [excluded] | ABMA9 |
| n/a | Abutilon glabriflorum Hochr. [excluded] | ABGL |
| n/a | Abutilon mauritianum (Jacq.) Medik. | ABMA8 |
| n/a | Alcea pallida (Waldst. & Kit. ex Willd.) Waldst. & Kit. [excluded] | ALPA24 |
| n/a | Anisodontea K. Presl | ANISO6 |
| n/a | Bastardiopsis (K. Schum.) Hassler | BASTA2 |
| n/a | Hibiscadelphus ?puakuahiwi K. Baker & S. Allen [giffardianus ? hualalaiensis] | HIPU2 |
| n/a | Hibiscus archeri W. Wats. | HIAR5 |
| n/a | Hibiscus brackenridgei Gray ssp. molokaianus (Roe) D. Bates | HIBRM3 |
| n/a | Hoheria A. Cunningham | HOHER |
| n/a | Malva occidentalis (S. Watson) M. F. Ray | MAOC3 |
| n/a | Malva pacifica M. F. Ray | MAPA27 |
| n/a | Malvastrum brasiliense Desr. [excluded] | MABR13 |
| n/a | Pavonia burchellii (DC.) R. A. Dyer | PABU5 |
| n/a | Pavonia gallaensis Ulbr. | PAGA6 |
| n/a | Phymosia Desv. ex Ham. | PHYMO2 |
| n/a | Phymosia umbellata (Cav.) Kearney | PHUM3 |
| n/a | Sida javensis Cav. [excluded] | SIJA3 |
| n/a | Sida rhombifolia L. var. rhombifolia | SIRHR |
| n/a | Wissadula contracta (Link) R.E. Fries [excluded] | WICO2 |
| Abbot's bushmallow | Malacothamnus abbottii (Eastw.) Kearney | MAAB |
| Abelmoschus esculentus | Hibiscus esculentus L. | HIES |
| Abelmoschus manihot | Hibiscus manihot L. [excluded] | HIMA9 |
| Abelmoschus moschatus | Hibiscus abelmoschus L. | HIAB |
| Abutilon abutiloides | Abutilon americanum (L.) Sweet | ABAM5 |
| Abutilon abutiloides | Abutilon jacquinii G. Don | ABJA |
| Abutilon abutiloides | Abutilon lignosum (Cav.) G. Don | ABLI |
| Abutilon berlandieri | Abutilon californicum auct. non Benth. [misapplied] | ABCA2 |
| Abutilon fruticosum | Abutilon texense Torr. & Gray | ABTE |
| Abutilon hulseanum | Abutilon commutatum auct. non K. Schum. [misapplied] | ABCO2 |
| Abutilon hulseanum | Abutilon pauciflorum Sweet | ABPA4 |
| Abutilon incanum | Abutilon incanum (Link) Sweet ssp. incanum (Link) Sweet [superfluous autonym] | ABINI |
| Abutilon incanum | Abutilon incanum (Link) Sweet ssp. pringlei (Hochr.) Felger & Lowe | ABINP |
| Abutilon incanum | Abutilon pringlei Hochr. | ABPR4 |
| Abutilon mollicomum | Abutilon sonorae Gray | ABSO |
| Abutilon sandwicense | Abortopetalum sandwicense O. Deg. | ABSA4 |
| Abutilon sandwicense | Abutilon sandwicense (O. Deg.) Christoph. var. welchii Christoph. | ABSAW |
| Abutilon theophrasti | Abutilon abutilon (L.) Rusby | ABAB3 |
| Abutilon theophrasti | Abutilon avicennae Gaertn. | ABAV |
| Abutilon trisulcatum | Abutilon triquetrum (L.) Sweet | ABTR2 |
| African rosemallow | Hibiscus acetosella Welw. ex Hiern. | HIAC3 |
| Alcea rosea | Alcea ficifolia L. | ALFI9 |
| Alcea rosea | Althaea rosea (L.) Cav. | ALRO4 |
| alkali mallow | Malvella leprosa (Ortega) Krapov. | MALE3 |
| Allosidastrum pyramidatum | Sida pyramidata Desportes ex Cav. | SIPY |
| Allowissadula holosericea | Abutilon marshii Standl. | ABMA7 |
| Allowissadula holosericea | Wissadula holosericea (Scheele) Garcke | WIHO2 |
| Allowissadula lozanii | Pseudabutilon lozanii (Rose) R.E. Fries | PSLO5 |
| anamu | Pavonia fruticosa (P. Mill.) Fawcett & Rendle | PAFR2 |
| anglestem Indian mallow | Abutilon trisulcatum (Jacq.) Urban | ABTR |
| Anisodontea capensis | Malva capensis L. | MACA29 |
| Anisodontea capensis | Malvastrum capense S.F. Gray & Harvey | MACA26 |
| annual checkerbloom | Sidalcea calycosa M.E. Jones | SICA |
| annual checkerbloom | Sidalcea calycosa M.E. Jones ssp. calycosa | SICAC3 |
| annual mallow | Lavatera trimestris L. | LATR3 |
| anoda | Anoda Cav. | ANODA |
| Anoda cristata | Anoda acerifolia auct. non (Zucc. ex Roemer & J.A. Schultes) DC. [misapplied] | ANAC3 |
| Anoda cristata | Anoda cristata (L.) Schlecht. var. brachyantha (Reichenb.) Hochr. | ANCRB |
| Anoda cristata | Anoda cristata (L.) Schlecht. var. digitata (Gray) Hochr. | ANCRD |
| Anoda cristata | Anoda lavaterioides Medik. | ANLA23 |
| Anoda cristata | Sida cristata L. | SICR2 |
| Anoda lanceolata | Anoda wrightii Gray | ANWR7 |
| Anoda pentaschista | Anoda pentaschista Gray var. obtusior B.L. Robins. | ANPEO |
| Antilles fanpetals | Sida antillensis Urban | SIAN5 |
| apricot globemallow | Sphaeralcea ambigua Gray ssp. ambigua | SPAMA |
| Arizona anoda | Anoda thurberi Gray | ANTH3 |
| Arizona rosemallow | Hibiscus biseptus S. Wats. | HIBI |
| arrowleaf mallow | Malvella sagittifolia (Gray) Fryxell | MASA3 |
| Asian Indian mallow | Abutilon auritum (Wallich ex Link) Sweet | ABAU |
| Baker's wild hollyhock | Iliamna bakeri (Jepson) Wiggins | ILBA |
| bastardia | Bastardia Kunth | BASTA |
| Bastardiopsis eggersii | Abutilon virginianum Krapov. | ABVI2 |
| Bastardiopsis eggersii | Sida eggersii E.G. Baker | SIEG2 |
| Batesimalva violacea | Gaya violacea Rose | GAVI5 |
| Berlandier's Indian mallow | Abutilon berlandieri Gray ex S. Wats. | ABBE |
| big yellow velvetleaf | Wissadula amplissima (L.) R.E. Fries | WIAM |
| Billieturnera helleri | Sida cuneifolia Gray, non Roxb. | SICU4 |
| Billieturnera helleri | Sida grayana I. Clem. | SIGR2 |
| Billieturnera helleri | Sida helleri Rose ex Heller | SIHE12 |
| birdfoot checkerbloom | Sidalcea pedata Gray | SIPE4 |
| bladdermallow | Herissantia crispa (L.) Briz. | HECR3 |
| Brackenridge's rosemallow | Hibiscus brackenridgei Gray | HIBR |
| Brackenridge's rosemallow | Hibiscus brackenridgei Gray ssp. brackenridgei | HIBRB |
| bracted fanpetals | Sida ciliaris L. | SICI |
| Brazilian rosemallow | Hibiscus phoeniceus Jacq. | HIPH |
| bristlemallow | Modiola Moench | MODIO |
| bristlystem checkerbloom | Sidalcea hirtipes C.L. Hitchc. | SIHI3 |
| brown Indianhemp | Hibiscus cannabinus L. | HICA5 |
| buffpetal | Rhynchosida physocalyx (Gray) Fryxell | RHPH2 |
| bull mallow | Malva nicaeensis All. | MANI2 |
| burrmallow | Urena sinuata L. | URSI |
| Bush's poppymallow | Callirhoe bushii Fern. | CABU8 |
| bushmallow | Malacothamnus Greene | MALAC2 |
| Butte County checkerbloom | Sidalcea robusta Heller ex Roush | SIRO2 |
| cadillo anaranjado | Pavonia paniculata Cav. | PAPA17 |
| Caesarweed | Urena lobata L. | URLO |
| caliche globemallow | Sphaeralcea laxa Woot. & Standl. | SPLA |
| California checkerbloom | Sidalcea malviflora (DC.) Gray ex Benth. ssp. californica (Nutt. ex Torr. & Gray) C.L. Hitchc. | SIMAC |
| California wild hollyhock | Iliamna latibracteata Wiggins | ILLA2 |
| Callirhoe alcaeoides | Sida alcaeoides Michx. | SIAL8 |
| Callirhoe bushii | Callirhoe involucrata (Torr. & Gray) Gray var. bushii (Fern.) R.F. Martin | CAINB3 |
| Callirhoe bushii | Callirhoe papaver (Cav.) Gray var. bushii (Fern.) Waterfall | CAPAB4 |
| Callirhoe involucrata var. involucrata | Callirhoe involucrata (Torr. & Gray) Gray var. novomexicana E.G. Baker | CAINN2 |
| Callirhoe leiocarpa | Callirhoe pedata sensu Gray | CAPE25 |
| Callirhoe pedata | Callirhoe digitata Nutt. var. stipulata Waterfall | CADIS |
| Cape African-queen | Anisodontea capensis (L.) Bates | ANCA46 |
| Carolina bristlemallow | Modiola caroliniana (L.) G. Don | MOCA |
| Carrizo Creek globemallow | Sphaeralcea orcuttii Rose | SPOR |
| chaparral checkerbloom | Sidalcea hickmanii Greene | SIHI |
| checkerbloom | Sidalcea Gray | SIDAL |
| cheeseweed mallow | Malva parviflora L. | MAPA5 |
| Chisos Mountain false Indianmallow | Allowissadula holosericea (Scheele) Bates | ALHO4 |
| cluster mallow | Malva verticillata L. | MAVE |
| clustered fanpetals | Sida glomerata Comm. ex Cav. | SIGL5 |
| clustered poppymallow | Callirhoe triangulata (Leavenworth) Gray | CATR |
| coast checkerbloom | Sidalcea oregana (Nutt. ex Torr. & Gray) Gray ssp. eximia (Greene) C.L. Hitchc. | SIORE |
| coastal Indian mallow | Abutilon permolle (Willd.) Sweet | ABPE |
| comfortroot | Hibiscus aculeatus Walt. | HIAC |
| common mallow | Malva neglecta Wallr. | MANE |
| common marshmallow | Althaea officinalis L. | ALOF2 |
| common wireweed | Sida acuta Burm. f. | SIAC3 |
| Congo mahoe | Hibiscus clypeatus L. | HICL2 |
| copper globemallow | Sphaeralcea angustifolia (Cav.) G. Don | SPAN3 |
| coppery false fanpetals | Billieturnera helleri (Rose ex Heller) Fryxell | BIHE4 |
| Cornish mallow | Lavatera cretica L. | LACR |
| cotton | Gossypium L. | GOSSY |
| Coulter's globemallow | Sphaeralcea coulteri (S. Wats.) Gray | SPCO2 |
| cow itch tree | Lagunaria (DC.) Rchb. | LAGUN3 |
| cow itch tree | Lagunaria patersonii (Andr.) G. Don [excluded] | LAPA16 |
| Crandall's wild hollyhock | Iliamna crandallii (Rydb.) Wiggins | ILCR |
| Creole cotton | Gossypium barbadense L. | GOBA |
| crested anoda | Anoda cristata (L.) Schlecht. | ANCR2 |
| crimsoneyed rosemallow | Hibiscus moscheutos L. | HIMO |
| Cuban jute | Sida rhombifolia L. | SIRH |
| Cuesta Pass checker | Sidalcea hickmanii Greene ssp. anomala C.L. Hitchc. | SIHIA |
| Cusick's checkerbloom | Sidalcea cusickii Piper | SICU |
| cutleaf checkerbloom | Sidalcea multifida Greene | SIMU |
| Davidson's bushmallow | Malacothamnus davidsonii (B.L. Robins.) Greene | MADA |
| desert fivespot | Eremalche rotundifolia (Gray) Greene | ERRO8 |
| desert globemallow | Sphaeralcea ambigua Gray | SPAM2 |
| desert globemallow | Sphaeralcea ambigua Gray ssp. monticola Kearney | SPAMM |
| desert globemallow | Sphaeralcea ambigua Gray ssp. rugosa Kearney | SPAMR2 |
| desert rosemallow | Hibiscus coulteri Harvey ex Gray | HICO |
| Dixie rosemallow | Hibiscus mutabilis L. | HIMU3 |
| dwarf checkerbloom | Sidalcea malviflora (DC.) Gray ex Benth. | SIMA2 |
| dwarf checkerbloom | Sidalcea malviflora (DC.) Gray ex Benth. ssp. asprella (Greene) C.L. Hitchc. | SIMAA |
| dwarf checkerbloom | Sidalcea malviflora (DC.) Gray ex Benth. ssp. celata (Jepson) C.L. Hitchc. | SIMAC2 |
| dwarf checkerbloom | Sidalcea malviflora (DC.) Gray ex Benth. ssp. dolosa C.L. Hitchc. | SIMAD |
| dwarf checkerbloom | Sidalcea malviflora (DC.) Gray ex Benth. ssp. elegans (Greene) C.L. Hitchc. | SIMAE |
| dwarf checkerbloom | Sidalcea malviflora (DC.) Gray ex Benth. ssp. laciniata C.L. Hitchc. | SIMAL |
| dwarf checkerbloom | Sidalcea malviflora (DC.) Gray ex Benth. ssp. laciniata C.L. Hitchc. var. laciniata | SIMAL2 |
| dwarf checkerbloom | Sidalcea malviflora (DC.) Gray ex Benth. ssp. laciniata C.L. Hitchc. var. sancta C.L. Hitchc. | SIMAS2 |
| dwarf checkerbloom | Sidalcea malviflora (DC.) Gray ex Benth. ssp. malviflora | SIMAM |
| dwarf checkerbloom | Sidalcea malviflora (DC.) Gray ex Benth. ssp. nana (Jepson) C.L. Hitchc. | SIMAN |
| dwarf checkerbloom | Sidalcea malviflora (DC.) Gray ex Benth. ssp. purpurea C.L. Hitchc. | SIMAP2 |
| dwarf checkerbloom | Sidalcea malviflora (DC.) Gray ex Benth. ssp. rostrata (Eastw.) Wiggins | SIMAR2 |
| dwarf checkerbloom | Sidalcea malviflora (DC.) Gray ex Benth. ssp. sparsifolia C.L. Hitchc. | SIMAS |
| dwarf checkerbloom | Sidalcea malviflora (DC.) Gray ex Benth. ssp. sparsifolia C.L. Hitchc. var. hirsuta C.L. Hitchc. | SIMAH |
| dwarf checkerbloom | Sidalcea malviflora (DC.) Gray ex Benth. ssp. sparsifolia C.L. Hitchc. var. sparsifolia | SIMAS3 |
| dwarf checkerbloom | Sidalcea malviflora (DC.) Gray ex Benth. ssp. sparsifolia C.L. Hitchc. var. stellata C.L. Hitchc. | SIMAS4 |
| dwarf checkerbloom | Sidalcea malviflora (DC.) Gray ex Benth. ssp. sparsifolia C.L. Hitchc. var. uliginosa C.L. Hitchc. | SIMAU |
| dwarf checkerbloom | Sidalcea malviflora (DC.) Gray ex Benth. ssp. virgata (T.J. Howell) C.L. Hitchc. | SIMAV |
| dwarf Indian mallow | Abutilon parvulum Gray | ABPA3 |
| earleaf fanpetals | Sida tragiifolia Gray | SITR |
| Elliott's fanpetals | Sida elliottii Torr. & Gray | SIEL |
| Elliott's fanpetals | Sida elliottii Torr. & Gray var. elliottii | SIELE |
| Emory's globemallow | Sphaeralcea emoryi Torr. ex Gray | SPEM |
| Eremalche exilis | Malvastrum exile Gray | MAEX4 |
| Eremalche parryi ssp. kernensis | Eremalche kernensis C.B. Wolf | ERKE4 |
| Eremalche parryi ssp. kernensis | Malvastrum kernensis (C.B. Wolf) Munz | MAKE2 |
| Eremalche parryi ssp. parryi | Malvastrum parryi Greene | MAPA14 |
| Eremalche rotundifolia | Malvastrum rotundifolium Gray | MARO9 |
| escoba babosa | Bastardia bivalvis (Cav.) Kunth | BABI5 |
| escoba parada | Sida salviifolia K. Presl | SISA5 |
| false fanpetals | Billieturnera Fryxell | BILLI |
| false Indianmallow | Allowissadula Bates | ALLOW |
| false mallow | Malvastrum corchorifolium (Desv.) Britt. ex Small | MACO12 |
| false mallow | Malvastrum Gray | MALVA2 |
| fanleaf | Fioria Mattei | FIORI |
| fanpetals | Sida L. | SIDA |
| Fendler's globemallow | Sphaeralcea fendleri Gray | SPFE |
| Fendler's globemallow | Sphaeralcea fendleri Gray ssp. fendleri | SPFEF |
| field anoda | Anoda pentaschista Gray | ANPE4 |
| flaxleaf fanpetals | Sida linifolia Cav. | SILI6 |
| Florida Keys Indian mallow | Abutilon hirtum (Lam.) Sweet | ABHI |
| flower of an hour | Hibiscus trionum L. | HITR |
| flymallow | Cienfuegosia Cav. | CIENF |
| fork-bracted rosemallow | Hibiscus bifurcatus Cav. | HIBI2 |
| Fremon's bushmallow | Malacothamnus fremontii (Torr. ex Gray) Torr. ex Greene | MAFR2 |
| fringed checkerbloom | Sidalcea diploscypha (Torr. & Gray) Gray | SIDI |
| fringed rosemallow | Hibiscus schizopetalus (Dyer) Hook. f. | HISC3 |
| Fryxellia pygmaea | Anoda pygmaea Correll | ANPY3 |
| fryxellwort | Fryxellia Bates | FRYXE |
| gaymallow | Batesimalva Fryxell | BATES |
| Gila globemallow | Sphaeralcea rusbyi Gray ssp. gilensis Kearney | SPRUG |
| gingerbush | Pavonia spinifex (L.) Cav. | PASP6 |
| glademallow | Napaea dioica L. | NADI2 |
| globemallow | Sphaeralcea St.-Hil. | SPHAE |
| gooseberryleaf globemallow | Sphaeralcea grossulariifolia (Hook. & Arn.) Rydb. | SPGR2 |
| gooseberryleaf globemallow | Sphaeralcea grossulariifolia (Hook. & Arn.) Rydb. ssp. grossulariifolia | SPGRG |
| gooseberryleaf globemallow | Sphaeralcea grossulariifolia (Hook. & Arn.) Rydb. ssp. pedata (Torr. ex Gray) Kearney | SPGRP2 |
| Gossypium arboreum | Gossypium nanking Meyen | GONA |
| Gossypium barbadense | Gossypium barbadense L. var. acuminatum (Roxb. ex G. Don) Triana & Planch. | GOBAA |
| Gossypium barbadense | Gossypium brasiliense Macfad. | GOBR2 |
| Gossypium barbadense | Gossypium peruvianum Cav. | GOPE |
| Gossypium barbadense | Gossypium vitifolium Lam. | GOVI4 |
| Gossypium hirsutum | Gossypium mexicanum Tod. | GOME3 |
| Gossypium hirsutum var. hirsutum | Gossypium herbaceum auct. non L. [misapplied] | GOHE3 |
| Gossypium hirsutum var. hirsutum | Gossypium hirsutum L. var. punctatum (K. Schum. & Thonn.) Roberty | GOHIP |
| Gossypium hirsutum var. hirsutum | Gossypium purpurascens Poir. | GOPU2 |
| Gossypium sturtianum | Gossypium sturtii F. Muell. | GOST4 |
| Gossypium thurberi | Thurberia thespesioides Gray | THTH4 |
| Gossypium tomentosum | Gossypium sandvicense Parl. | GOSA3 |
| Gray bushmallow | Malacothamnus aboriginum (B.L. Robins.) Greene | MAAB2 |
| gray globemallow | Sphaeralcea incana Torr. ex Gray | SPIN2 |
| gray globemallow | Sphaeralcea incana Torr. ex Gray ssp. incana | SPINI |
| greenflower Indian mallow | Abutilon sandwicense (O. Deg.) Christoph. | ABSA2 |
| hairy checkerbloom | Sidalcea hirsuta Gray ex Benth. | SIHI2 |
| hairy Indian mallow | Abutilon grandifolium (Willd.) Sweet | ABGR3 |
| hairy marshmallow | Althaea hirsuta L. | ALHI2 |
| halberdleaf rosemallow | Hibiscus laevis All. | HILA2 |
| hau kuahiwi | Hibiscadelphus bombycinus Forbes | HIBO2 |
| Hawai'i treecotton | Kokia drynarioides (Seem.) Lewt. | KODR |
| Hawai'ian cotton | Gossypium tomentosum Nutt. ex Seem. | GOTO |
| heartleaf fanpetals | Sida cordata (Burm. f.) Waalkes | SICO7 |
| heartleaf rosemallow | Hibiscus martianus Zucc. | HIMA6 |
| Henderson's checkerbloom | Sidalcea hendersonii S. Wats. | SIHE4 |
| herissantia | Herissantia Medik. | HERIS |
| Herissantia crispa | Abutilon crispum (L.) Medik. | ABCR2 |
| Herissantia crispa | Bogenhardia crispa (L.) Kearney | BOCR2 |
| Herissantia crispa | Gayoides crispum (L.) Small | GACR2 |
| hibiscadelphus | Hibiscadelphus Rock | HIBIS |
| hibiscus | Hibiscus lunariifolius Willd. | HILU |
| Hibiscus acetosella | Hibiscus eetveldeanus de Wildeman & Dur. | HIEE |
| Hibiscus aculeatus | Hibiscus scaber Michx. | HISC7 |
| Hibiscus arnottianus ssp. immaculatus | Hibiscus immaculatus Roe | HIIM |
| Hibiscus arnottianus ssp. punaluuensis | Hibiscus arnottianus Gray var. punaluuensis (Skottsberg) O.& I. Deg. | HIARP |
| Hibiscus brackenridgei ssp. mokuleianus | Hibiscus brackenridgei Gray var. mokuleianus Roe | HIBRM4 |
| Hibiscus brackenridgei ssp. molokaianus | Hibiscus brackenridgei Gray var. molokaianus Rock ex Wilson | HIBRM2 |
| Hibiscus calyphyllus | Hibiscus rockii O.& I. Deg. | HIRO |
| Hibiscus clayi | Hibiscus newhousei Roe | HINE |
| Hibiscus coccineus | Hibiscus semilobatus Chapman | HISE |
| Hibiscus coulteri | Hibiscus coulteri Harvey ex Gray var. brevipedunculatus M.E. Jones | HICOB |
| Hibiscus denudatus | Hibiscus denudatus Benth. var. involucellatus Gray | HIDEI |
| Hibiscus elatus | Pariti elatum (Sw.) G. Don | PAEL2 |
| Hibiscus furcellatus var. youngianus | Hibiscus youngianus Gaud. ex Hook. & Arn. | HIYO |
| Hibiscus kokio ssp. kokio | Hibiscus kahilii Forbes | HIKA |
| Hibiscus kokio ssp. kokio | Hibiscus kokio Hbd. ex Wawra var. pekeloi O.& I. Deg. | HIKOP |
| Hibiscus kokio ssp. kokio | Hibiscus kokio Hbd. ex Wawra var. pukoonis Caum | HIKOP2 |
| Hibiscus kokio ssp. kokio | Hibiscus oahuensis O.& I. Deg. | HIOA |
| Hibiscus kokio ssp. kokio | Hibiscus ula O.& I. Deg. | HIUL |
| Hibiscus kokio ssp. saintjohnianus | Hibiscus roeatae St. John | HIRO2 |
| Hibiscus kokio ssp. saintjohnianus | Hibiscus saintjohnianus Roe | HISA3 |
| Hibiscus laevis | Hibiscus militaris Cav. | HIMI2 |
| Hibiscus lasiocarpos | Hibiscus californicus Kellogg | HICA7 |
| Hibiscus lasiocarpos | Hibiscus leucophyllus Shiller | HILE4 |
| Hibiscus lasiocarpos | Hibiscus moscheutos L. var. occidentalis Torr. | HIMOO |
| Hibiscus lasiocarpos | Hibiscus platanoides Greene | HIPL2 |
| Hibiscus martianus | Hibiscus cardiophyllus Gray | HICA2 |
| Hibiscus moscheutos | Hibiscus incanus Wendl. f. | HIIN5 |
| Hibiscus moscheutos | Hibiscus moscheutos L. ssp. incanus (Wendl. f.) Ahles | HIMOI |
| Hibiscus moscheutos | Hibiscus moscheutos L. ssp. moscheutos L. [superfluous autonym] | HIMOM |
| Hibiscus moscheutos | Hibiscus moscheutos L. ssp. palustris (L.) Clausen | HIMOP |
| Hibiscus moscheutos | Hibiscus moscheutos L. var. purpurascens Sweet | HIMOP2 |
| Hibiscus moscheutos | Hibiscus oculiroseus Britt. | HIOC2 |
| Hibiscus moscheutos | Hibiscus opulifolius Greene | HIOP |
| Hibiscus moscheutos | Hibiscus palustris L. | HIPA6 |
| Hibiscus moscheutos | Hibiscus pinetorum Greene | HIPI4 |
| Hibiscus phoeniceus | Hibiscus brasiliensis auct. non L. [misapplied] | HIBR2 |
| Hibiscus poeppigii | Hibiscus pilosus auct. non (Sw.) Fawcett & Rendle [misapplied] | HIPI5 |
| Hibiscus schizopetalus | Hibiscus rosa-sinensis L. var. schizopetalus Dyer | HIROS |
| Hibiscus striatus ssp. lambertianus | Hibiscus cubensis A. Rich. | HICU3 |
| Hibiscus striatus ssp. lambertianus | Hibiscus lambertianus Kunth | HILA3 |
| Hibiscus tiliaceus | Pariti grande Britt. ex Small | PAGR2 |
| Hibiscus tiliaceus | Pariti tiliaceum (L.) A. Juss. ex Britt. & Millsp. | PATI2 |
| Hibiscus trionum | Trionum trionum (L.) Woot. & Standl. | TRTR13 |
| Hibiscus waimeae ssp. hannerae | Hibiscus waimeae Heller var. hannerae O.& I. Deg. | HIWAH2 |
| Hickman's checkerbloom | Sidalcea hickmanii Greene ssp. hickmanii | SIHIH |
| hiddenpetal Indian mallow | Abutilon eremitopetalum Caum | ABER |
| high mallow | Malva sylvestris L. | MASY |
| hispid false mallow | Malvastrum hispidum (Pursh) Hochr. | MAHI |
| hollyhock | Alcea L. | ALCEA |
| hollyhock | Alcea rosea L. | ALRO3 |
| Horsfordia alata | Sida alata S. Wats. | SIAL10 |
| Horsfordia newberryi | Abutilon newberryi S. Wats. | ABNE2 |
| hot springs globemallow | Sphaeralcea polychroma La Duke | SPPO6 |
| Hualalai hau kuahiwi | Hibiscadelphus hualalaiensis Rock | HIHU |
| Iliamna grandiflora | Iliamna angulata Greene | ILAN2 |
| Iliamna rivularis var. rivularis | Iliamna acerifolia (Nutt. ex Torr. & Gray) Greene | ILAC |
| Iliamna rivularis var. rivularis | Iliamna corei Sherff | ILCO4 |
| Iliamna rivularis var. rivularis | Iliamna remota Greene | ILRE |
| Iliamna rivularis var. rivularis | Phymosia remota (Greene) Britt. | PHRE3 |
| Iliamna rivularis var. rivularis | Sphaeralcea rivularis (Dougl. ex Hook.) Torr. | SPRI4 |
| Indian anoda | Anoda abutiloides Gray | ANAB |
| Indian mallow | Abutilon P. Mill. | ABUTI |
| Indian Valley false mallow | Malvastrum americanum (L.) Torr. | MAAM |
| island mallow | Lavatera assurgentiflora Kellogg | LAAS |
| island mallow | Lavatera assurgentiflora Kellogg ssp. assurgentiflora | LAASA |
| Jamaican fanpetals | Sida jamaicensis L. | SIJA |
| Jane's globemallow | Sphaeralcea janeae (Welsh) Welsh | SPJA3 |
| Javanese fanpetals | Sida repens Domb. ex Cav. | SIRE7 |
| Jost Van Dyke's Indian mallow | Bastardiopsis eggersii (E.G. Baker) Fuertes & Fryxell | BAEG6 |
| juniper globemallow | Sphaeralcea digitata (Greene) Rydb. | SPDI3 |
| juniper globemallow | Sphaeralcea digitata (Greene) Rydb. ssp. digitata | SPDID |
| juniper globemallow | Sphaeralcea digitata (Greene) Rydb. ssp. tenuipes (Woot. & Standl.) Kearney | SPDIT |
| Kauai hau kuahiwi | Hibiscadelphus distans Bishop & Herbst | HIDI |
| Kauai treecotton | Kokia kauaiensis (Rock) O. Deg. & Duvel | KOKA |
| Keck's checkerbloom | Sidalcea keckii Wiggins | SIKE |
| Kenwood Marsh checkerbloom | Sidalcea oregana (Nutt. ex Torr. & Gray) Gray ssp. valida (Greene) C.L. Hitchc. | SIORV |
| Kern mallow | Eremalche parryi (Greene) Greene ssp. kernensis (C.B. Wolf) Bates | ERPAK |
| Kilauea hau kuahiwi | Hibiscadelphus giffardianus Rock | HIGI |
| ko'oloa 'ula | Abutilon menziesii Seem. | ABME2 |
| Kokia drynarioides | Kokia rockii Lewt. | KORO |
| kosteletzkya | Kosteletzkya K. Presl | KOSTE |
| Kosteletzkya depressa | Kosteletzkya pentasperma Griseb. | KOPE |
| Kosteletzkya virginica | Kosteletzkya althaeifolia (Chapman) Rusby | KOAL2 |
| Kosteletzkya virginica | Kosteletzkya smilacifolia Gray | KOSM |
| Kosteletzkya virginica | Kosteletzkya virginica (L.) K. Presl ex Gray var. althaeifolia Chapman | KOVIA |
| Kosteletzkya virginica | Kosteletzkya virginica (L.) K. Presl ex Gray var. aquilonia Fern. | KOVIA2 |
| krapovickasia | Krapovickasia Fryxell | KRAPO |
| krapovickasia | Krapovickasia physaloides (Presl) Fryxell | KRPH |
| Krapovickasia physaloides | Sida physaloides Presl | SIPH3 |
| lacebark | Hoheria populnea A. Cunningham | HOPO5 |
| lanceleaf anoda | Anoda lanceolata Hook. & Arn. | ANLA4 |
| largeflower wild hollyhock | Iliamna grandiflora (Rydb.) Wiggins | ILGR |
| largeleaf rosemallow | Hibiscus macrophyllus Roxb. ex Hornem. | HIMA5 |
| Latin globemallow | Sphaeralcea bonariensis (Cav.) Griseb. | SPBO2 |
| lava hau kuahiwi | Hibiscadelphus crucibracteatus Hobdy | HICR |
| leafbract | Malachra L. | MALAC |
| lemonyellow rosemallow | Hibiscus calyphyllus Cav. | HICA6 |
| light poppymallow | Callirhoe alcaeoides (Michx.) Gray | CAAL |
| lindenleaf rosemallow | Hibiscus furcellatus Lam. | HIFU |
| lindenleaf rosemallow | Hibiscus furcellatus Lam. var. youngianus (Gaud. ex Hook. & Arn.) Hochr. | HIFUY |
| llima | Sida cordifolia L. | SICO |
| longsepal wild hollyhock | Iliamna longisepala (Torr.) Wiggins | ILLO2 |
| low mallow | Malva pusilla Sm. | MAPU5 |
| Lozano's false Indianmallow | Allowissadula lozanii (Rose) Bates | ALLO2 |
| Luna County globemallow | Sphaeralcea procera C.L. Porter | SPPR3 |
| maga | Thespesia grandiflora DC. | THGR2 |
| mahoe | Hibiscus elatus Sw. | HIEL |
| Malachra fasciata | Malachra alceifolia Jacq. var. fasciata (Jacq.) Robyns | MAALF |
| Malachra fasciata | Malachra urens Poit. ex Ledeb. & Alderstam | MAUR |
| Malacothamnus abbottii | Malvastrum abbottii Eastw. | MAAB4 |
| Malacothamnus aboriginum | Malvastrum aboriginum B.L. Robins. | MAAB5 |
| Malacothamnus clementinus | Malvastrum clementinum Munz & Johnston | MACL3 |
| Malacothamnus davidsonii | Malvastrum davidsonii B.L. Robins. | MADA4 |
| Malacothamnus densiflorus | Malacothamnus densiflorus (S. Wats.) Greene var. viscidus (Abrams) Kearney | MADEV |
| Malacothamnus densiflorus | Malvastrum densiflorum S. Wats. | MADE4 |
| Malacothamnus densiflorus | Malvastrum densiflorum S. Wats. var. viscidum (Abrams) Estes | MADEV2 |
| Malacothamnus fasciculatus | Malacothamnus arcuatus (Greene) Greene | MAAR |
| Malacothamnus fasciculatus | Malacothamnus fasciculatus (Nutt. ex Torr. & Gray) Greene ssp. catalinensis (Eastw.) Thorne | MAFAC |
| Malacothamnus fasciculatus | Malacothamnus fasciculatus (Nutt. ex Torr. & Gray) Greene ssp. laxiflorus (Gray) Thorne | MAFAL |
| Malacothamnus fasciculatus | Malacothamnus fasciculatus (Nutt. ex Torr. & Gray) Greene var. catalinensis (Eastw.) Kearney | MAFAC2 |
| Malacothamnus fasciculatus | Malacothamnus fasciculatus (Nutt. ex Torr. & Gray) Greene var. laxiflorus (Gray) Kearney | MAFAL2 |
| Malacothamnus fasciculatus | Malacothamnus fasciculatus (Nutt. ex Torr. & Gray) Greene var. nesioticus (B.L. Robins.) Kearney | MAFAN |
| Malacothamnus fasciculatus | Malacothamnus fasciculatus (Nutt. ex Torr. & Gray) Greene var. nuttallii (Abrams) Kearney | MAFAN2 |
| Malacothamnus fasciculatus | Malacothamnus hallii (Eastw.) Kearney | MAHA2 |
| Malacothamnus fasciculatus | Malacothamnus mendocinensis (Eastw.) Kearney | MAME2 |
| Malacothamnus fasciculatus | Malacothamnus parishii (Eastw.) Kearney | MAPA3 |
| Malacothamnus fasciculatus | Malva fasciculata Nutt. ex Torr. & Gray | MAFA8 |
| Malacothamnus fasciculatus | Malvastrum arcuatum (Greene) B.L. Robins. | MAAR9 |
| Malacothamnus fasciculatus | Malvastrum fasciculatum (Nutt. ex Torr. & Gray) Greene | MAFA5 |
| Malacothamnus fasciculatus | Malvastrum fasciculatum (Nutt. ex Torr. & Gray) Greene var. laxiflorum (Gray) Munz & Johnston | MAFAL3 |
| Malacothamnus fasciculatus | Malvastrum hallii Eastw. | MAHA5 |
| Malacothamnus fasciculatus | Malvastrum mendocinense Eastw. | MAME5 |
| Malacothamnus fasciculatus | Malvastrum nesioticum B.L. Robins. | MANE6 |
| Malacothamnus fasciculatus | Malvastrum nesioticum B.L. Robins. var. nuttallii (Abrams) Wiggins | MANEN2 |
| Malacothamnus foliosus | Malacothamnus paniculatus (Gray) Kearney | MAPA17 |
| Malacothamnus fremontii | Malacothamnus fremontii (Torr. ex Gray) Torr. ex Greene ssp. cercophorus (B.L. Robins.) Munz | MAFRC |
| Malacothamnus fremontii | Malacothamnus helleri (Eastw.) Kearney | MAHE |
| Malacothamnus fremontii | Malacothamnus niveus (Eastw.) Kearney | MANI |
| Malacothamnus fremontii | Malacothamnus orbiculatus (Greene) Greene | MAOR2 |
| Malacothamnus fremontii | Malvastrum fremontii Torr. ex Gray | MAFR5 |
| Malacothamnus fremontii | Malvastrum fremontii Torr. ex Gray ssp. exfibulosum (Jepson) Wiggins | MAFRE |
| Malacothamnus fremontii | Malvastrum fremontii Torr. ex Gray var. cercophorum B.L. Robins. | MAFRC2 |
| Malacothamnus fremontii | Malvastrum fremontii Torr. ex Gray var. niveum (Eastw.) McMinn | MAFRN |
| Malacothamnus fremontii | Malvastrum orbiculatum Greene | MAOR7 |
| Malacothamnus jonesii | Malacothamnus gracilis (Eastw.) Kearney | MAGR5 |
| Malacothamnus jonesii | Malvastrum gracile Eastw. | MAGR14 |
| Malacothamnus jonesii | Malvastrum jonesii Munz | MAJO2 |
| Malacothamnus marrubioides | Malvastrum marrubioides Dur. & Hilg. | MAMA25 |
| Malacothamnus palmeri | Malacothamnus palmeri (S. Wats.) Greene var. involucratus (B.L. Robins.) Kearney | MAPAI |
| Malacothamnus palmeri | Malacothamnus palmeri (S. Wats.) Greene var. lucianus Kearney | MAPAL |
| Malacothamnus palmeri | Malvastrum palmeri S. Wats. | MAPA15 |
| Malacothamnus palmeri | Malvastrum palmeri S. Wats. var. involucratum (B.L. Robins.) McMinn | MAPAI2 |
| mallow | Eremalche Greene | EREMA |
| mallow | Malva L. | MALVA |
| mallow | Malvella Jaubert & Spach | MALVE |
| malva de caballo | Malachra capitata (L.) L. | MACA5 |
| Malva moschata | Malva moschata L. var. rosea hort. | MAMOR2 |
| Malva neglecta | Malva rotundifolia auct. non L. [misapplied] | MARO |
| Malva nicaeensis | Malva arvensis Presl. | MAAR13 |
| Malva occidentalis | Lavatera occidentalis S. Watson | LAOC7 |
| Malva pacifica | Lavatera venosa S. Watson | LAVE8 |
| Malva pusilla | Malva rotundifolia L. | MARO11 |
| Malva sylvestris | Malva mauritiana L. | MAMA26 |
| Malva sylvestris | Malva sylvestris L. ssp. mauritiana (L.) Thellung | MASYM |
| Malva sylvestris | Malva sylvestris L. var. mauritiana (L.) Boiss. | MASYM2 |
| Malva verticillata | Malva crispa (L.) L. | MACR |
| Malva verticillata | Malva verticillata L. var. crispa L. | MAVEC |
| Malvastrum americanum | Malva americana L. | MAAM7 |
| Malvastrum americanum | Malva spicata auct. non L. [misapplied] | MASP6 |
| Malvastrum americanum | Malvastrum spicatum auct. non (L.) Gray [misapplied] | MASP7 |
| Malvastrum aurantiacum | Malva aurantiaca Scheele | MAAU5 |
| Malvastrum aurantiacum | Malvastrum wrightii Gray | MAWR3 |
| Malvastrum bicuspidatum | Malvastrum tricuspidatum (Ait. f.) Gray var. bicuspidatum S. Wats. | MATRB |
| Malvastrum corchorifolium | Malva corchorifolia Desv. | MACO26 |
| Malvastrum coromandelianum | Malva coromandeliana L. | MACO24 |
| Malvastrum hispidum | Malvastrum angustum Gray | MAAN13 |
| Malvastrum hispidum | Sida hispida Pursh | SIHI7 |
| Malvastrum hispidum | Sidopsis hispida (Pursh) Rydb. | SIHI8 |
| Malvastrum hispidum | Sphaeralcea angusta (Gray) Fern. | SPAN7 |
| Malvaviscus arboreus var. arboreus | Malvaviscus arboreus Dill. ex Cav. var. mexicanus Schlecht. | MAARM |
| Malvaviscus arboreus var. drummondii | Malvaviscus drummondii Torr. & Gray | MADR |
| Malvaviscus penduliflorus | Malvaviscus arboreus Dill. ex Cav. var. penduliflorus (DC.) Schery | MAARP |
| Malvella lepidota | Sida lepidota Gray | SILE6 |
| Malvella lepidota | Sida leprosa (Ortega) K. Schum. var. depauperata (Gray) I. Clem. | SILED |
| Malvella leprosa | Sida hederacea (Dougl. ex Hook.) Torr. ex Gray | SIHE8 |
| Malvella leprosa | Sida leprosa (Ortega) K. Schum. | SILE4 |
| Malvella leprosa | Sida leprosa (Ortega) K. Schum. var. hederacea (Dougl. ex Hook.) K. Schum. | SILEH |
| Malvella sagittifolia | Sida lepidota Gray var. sagittifolia Gray | SILES |
| Malvella sagittifolia | Sida leprosa (Ortega) K. Schum. var. sagittifolia (Gray) I. Clem. | SILES2 |
| Malvella sagittifolia | Sida sagittifolia (Gray) Rydb. | SISA8 |
| manyflower sandmallow | Sidastrum multiflorum (Jacq.) Fryxell | SIMU4 |
| mapleleaf checkerbloom | Sidalcea malachroides (Hook. & Arn.) Gray | SIMA |
| Marie Galante cotton | Gossypium hirsutum L. var. marie-galante (Watt) Hutchinson | GOHIM |
| Marin checkerbloom | Sidalcea hickmanii Greene ssp. viridis C.L. Hitchc. | SIHIV |
| marsh checkerbloom | Sidalcea ranunculacea Greene | SIRA |
| marshmallow | Althaea L. | ALTHA |
| Maui hau kuahiwi | Hibiscadelphus wilderianus Rock | HIWI |
| mauve | Abutilon hulseanum (Torr. & Gray) Torr. ex Gray | ABHU |
| mazapan | Malvaviscus penduliflorus DC. | MAPE3 |
| meadow checkerbloom | Sidalcea campestris Greene | SICA2 |
| Mendocino bushmallow | Malacothamnus fasciculatus (Nutt. ex Torr. & Gray) Greene | MAFA |
| meximalva | Meximalva Fryxell | MEXIM |
| Meximalva filipes | Sida filipes Gray | SIFI7 |
| mock fanpetals | Allosidastrum (Hochr.) Krapov., Fryxell & Bates | ALLOS |
| mock fanpetals | Allosidastrum pyramidatum (Desportes ex Cav.) Krapov., Fryxell & Bates | ALPY |
| Modiola caroliniana | Modiola multifida Moench | MOMU |
| Mokulei rosemallow | Hibiscus brackenridgei Gray ssp. mokuleianus (Roe) D. Bates | HIBRM |
| Molokai treecotton | Kokia cookei O. Deg. | KOCO2 |
| monarch bushmallow | Malacothamnus foliosus (S. Wats.) Kearney | MAFO3 |
| monarch rosemallow | Hibiscus radiatus Cav. | HIRA |
| monkeybush | Abutilon indicum (L.) Sweet | ABIN3 |
| moth fanpetals | Sida santaremensis Monteiro | SISA10 |
| Munro's globemallow | Sphaeralcea munroana (Dougl. ex Lindl.) Spach ex Gray | SPMU2 |
| Munro's globemallow | Sphaeralcea munroana (Dougl. ex Lindl.) Spach ex Gray ssp. munroana | SPMUM |
| musk mallow | Malva moschata L. | MAMO2 |
| musk okra | Abelmoschus moschatus Medik. | ABMO |
| napaea | Napaea L. | NAPAE |
| Neches River rosemallow | Hibiscus dasycalyx Blake & Shiller | HIDA |
| Nelson's checkerbloom | Sidalcea nelsoniana Piper | SINE2 |
| netted anoda | Anoda reticulata S. Wats. | ANRE2 |
| New Mexico fanpetals | Sida neomexicana Gray | SINE |
| Newberry's velvetmallow | Horsfordia newberryi (S. Wats.) Gray | HONE |
| okra | Abelmoschus esculentus (L.) Moench | ABES |
| okra | Abelmoschus Medik. | ABELM |
| Oregon checkerbloom | Sidalcea oregana (Nutt. ex Torr. & Gray) Gray | SIOR |
| Oregon checkerbloom | Sidalcea oregana (Nutt. ex Torr. & Gray) Gray ssp. hydrophila (Heller) C.L. Hitchc. | SIORH |
| Oregon checkerbloom | Sidalcea oregana (Nutt. ex Torr. & Gray) Gray ssp. oregana | SIORO |
| Oregon checkerbloom | Sidalcea oregana (Nutt. ex Torr. & Gray) Gray ssp. oregana var. calva C.L. Hitchc. | SIORC2 |
| Oregon checkerbloom | Sidalcea oregana (Nutt. ex Torr. & Gray) Gray ssp. oregana var. maxima (M.E. Peck) C.L. Hitchc. | SIORM2 |
| Oregon checkerbloom | Sidalcea oregana (Nutt. ex Torr. & Gray) Gray ssp. oregana var. nevadensis C.L. Hitchc. | SIORN2 |
| Oregon checkerbloom | Sidalcea oregana (Nutt. ex Torr. & Gray) Gray ssp. oregana var. oregana | SIORO2 |
| Oregon checkerbloom | Sidalcea oregana (Nutt. ex Torr. & Gray) Gray ssp. oregana var. procera C.L. Hitchc. | SIORP2 |
| Oregon checkerbloom | Sidalcea oregana (Nutt. ex Torr. & Gray) Gray ssp. spicata (Regel) C.L. Hitchc. | SIORS |
| Owens Valley sidalcea | Sidalcea covillei Greene | SICO2 |
| paleface | Hibiscus denudatus Benth. | HIDE |
| palm-leaf marshmallow | Althaea cannabina L. | ALCA25 |
| Palmer's bushmallow | Malacothamnus palmeri (S. Wats.) Greene | MAPA2 |
| Palmer's Indian mallow | Abutilon palmeri Gray | ABPA |
| palmleaf globemallow | Sphaeralcea pedatifida (Gray) Gray | SPPE2 |
| palmleaf poppymallow | Callirhoe pedata (Nutt. ex Hook.) Gray | CAPE23 |
| panicled sandmallow | Sidastrum paniculatum (L.) Fryxell | SIPA5 |
| Parish's checker | Sidalcea hickmanii Greene ssp. parishii (B.L. Robins.) C.L. Hitchc. | SIHIP |
| Parish's Indian mallow | Abutilon parishii S. Wats. | ABPA2 |
| Parry's mallow | Eremalche parryi (Greene) Greene | ERPA14 |
| Parry's mallow | Eremalche parryi (Greene) Greene ssp. parryi | ERPAP9 |
| Pavonia burchellii | Pavonia patens (Andrews) Chiov. | PAPA47 |
| Pavonia fruticosa | Typhalea fruticosa (P. Mill.) Britt. | TYFR |
| Pavonia lasiopetala | Pavonia wrightii Gray | PAWR3 |
| Pavonia paludicola | Malache scabra B. Vogel, non (K. Presl) Kuntze | MASC3 |
| Pavonia paludicola | Pavonia racemosa (Sw.) Sw. | PARA12 |
| Pavonia paludicola | Pavonia scabra (B. Vogel) Ciferri, non K. Presl | PASC7 |
| Pavonia paludicola | Pavonia spicata Cav. | PASP5 |
| Pavonia paniculata | Lebretonia paniculata (Cav.) Britt. | LEPA15 |
| pelotazo | Abutilon incanum (Link) Sweet | ABIN |
| Phymosia umbellata | Sphaeralcea umbellata (Cav.) G. Don | SPUM2 |
| pineland fanpetals | Sida elliottii Torr. & Gray var. parviflora Chapman | SIELP |
| pink velvetmallow | Horsfordia alata (S. Wats.) Gray | HOAL |
| pinkflowered bushmallow | Malacothamnus marrubioides (Dur. & Hilg.) Greene | MAMA3 |
| Poeppig's rosemallow | Hibiscus poeppigii (Spreng.) Garcke | HIPO |
| poppymallow | Callirhoe Nutt. | CALLI3 |
| Portia tree | Thespesia populnea (L.) Soland. ex Correa | THPO3 |
| prickly fanpetals | Sida spinosa L. | SISP |
| pseudabutilon | Pseudabutilon R.E. Fries | PSEUD44 |
| Pseudabutilon stuckertii | Wissadula callimorpha (Hochr.) Hassler | WICA5 |
| Pseudabutilon stuckertii | Wissadula callimorpha (Hochr.) Hassler var. friesii Hassler | WICAF |
| Pseudabutilon umbellatum | Abutilon umbellatum (L.) Sweet | ABUM2 |
| psoralea globemallow | Sphaeralcea psoraloides Welsh | SPPS |
| Pt. Reyes checkerbloom | Sidalcea calycosa M.E. Jones ssp. rhizomata (Jepson) Munz | SICAR |
| punaluu rosemallow | Hibiscus arnottianus Gray ssp. punaluuensis (Skottsberg) D. Bates | HIARP3 |
| purple gaymallow | Batesimalva violacea (Rose) Fryxell | BAVI5 |
| purple poppymallow | Callirhoe involucrata (Torr. & Gray) Gray | CAIN2 |
| purple poppymallow | Callirhoe involucrata (Torr. & Gray) Gray var. involucrata | CAINI4 |
| purple poppymallow | Callirhoe involucrata (Torr. & Gray) Gray var. lineariloba (Torr. & Gray) Gray | CAINL |
| Railroad Valley globemallow | Sphaeralcea caespitosa M. E. Jones var. williamsiae N. H. Holmgren | SPCAW |
| red Kauai rosemallow | Hibiscus clayi O.& I. Deg. | HICL |
| red rosemallow | Hibiscus kokio Hbd. ex Wawra | HIKO |
| red rosemallow | Hibiscus kokio Hbd. ex Wawra ssp. kokio | HIKOK |
| red-margin fanpetals | Sida rubromarginata Nash | SIRU2 |
| rhynchosida | Rhynchosida Fryxell | RHYNC5 |
| Rhynchosida physocalyx | Sida physocalyx Gray | SIPH2 |
| roadside leafbract | Malachra fasciata Jacq. | MAFA4 |
| rose globemallow | Sphaeralcea ambigua Gray ssp. rosacea (Munz & Johnston) Kearney | SPAMR |
| rose of Sharon | Hibiscus syriacus L. | HISY |
| roselle | Hibiscus sabdariffa L. | HISA2 |
| rosemallow | Hibiscus L. | HIBIS2 |
| rosemallow | Hibiscus lasiocarpos Cav. | HILA6 |
| Rusby's globemallow | Sphaeralcea rusbyi Gray | SPRU2 |
| Rusby's globemallow | Sphaeralcea rusbyi Gray ssp. eremicola (Jepson) Kearney | SPRUE |
| Rusby's globemallow | Sphaeralcea rusbyi Gray ssp. rusbyi | SPRUR |
| salt spring checkerbloom | Sidalcea neomexicana Gray | SINE3 |
| salt spring checkerbloom | Sidalcea neomexicana Gray ssp. crenulata (A. Nels.) C.L. Hitchc. | SINEC2 |
| salt spring checkerbloom | Sidalcea neomexicana Gray ssp. neomexicana | SINEN |
| San Clemente Island bushmallow | Malacothamnus clementinus (Munz & Johnston) Kearney | MACL |
| sandmallow | Sidastrum E.G. Baker | SIDAS |
| savannah fanpetals | Sida aggregata K. Presl | SIAG |
| Scadden Flat checkerbloom | Sidalcea stipularis J.T. Howell & True | SIST3 |
| scaly globemallow | Sphaeralcea leptophylla (Gray) Rydb. | SPLE |
| scarlet globemallow | Sphaeralcea coccinea (Nutt.) Rydb. | SPCO |
| scarlet globemallow | Sphaeralcea coccinea (Nutt.) Rydb. ssp. coccinea | SPCOC |
| scarlet globemallow | Sphaeralcea coccinea (Nutt.) Rydb. ssp. elata (E.G. Baker) Kearney | SPCOE |
| scarlet rosemallow | Hibiscus coccineus Walt. | HICO2 |
| scurfymallow | Malvella lepidota (Gray) Fryxell | MALE2 |
| sea hibiscus | Hibiscus tiliaceus L. | HITI |
| seaside mahoe | Hibiscus pernambucensis Arruda | HIPE3 |
| shoeblackplant | Hibiscus rosa-sinensis L. | HIRO3 |
| showy fanpetals | Sida lindheimeri Engelm. & Gray | SILI |
| shrubby false mallow | Malvastrum bicuspidatum (S. Wats.) Rose | MABI2 |
| shrubby Indian mallow | Abutilon abutiloides (Jacq.) Garcke ex Britt. & P. Wilson | ABAB |
| Sida abutifolia | Sida filicaulis Torr. & Gray | SIFI4 |
| Sida abutifolia | Sida filiformis Moric. ex Ser. | SIFI5 |
| Sida abutifolia | Sida procumbens Sw. | SIPR2 |
| Sida abutifolia | Sida supina L'H?r. | SISU4 |
| Sida acuta | Sida acuta Burm. f. ssp. carpinifolia (L. f.) Waalkes | SIACC |
| Sida acuta | Sida acuta Burm. f. var. carpinifolia (L. f.) K. Schum. | SIACC2 |
| Sida acuta | Sida carpinifolia L. f. | SICA17 |
| Sida aggregata | Sida setifera K. Presl | SISE8 |
| Sida ciliaris | Sida ciliaris L. var. mexicana (Moric. ex Ser.) Shinners | SICIM |
| Sida cordata | Melochia cordata Burm. f. | MECO9 |
| Sida cordata | Sida humilis Cav. var. veronicifolia Lam. | SIHUV |
| Sida elliottii var. elliottii | Sida leptophylla Small | SILE5 |
| Sida elliottii var. parviflora | Sida inflexa Fern. | SIIN5 |
| Sida fallax | Sida fallax Walp. var. kauaiensis Hochr. | SIFAK |
| Sida fallax | Sida ledyardii St. John | SILE3 |
| Sida fallax | Sida meyeniana Walp. | SIME2 |
| Sida fallax | Sida nelsonii St. John | SINE4 |
| Sida hermaphrodita | Napaea hermaphrodita L. | NAHE3 |
| Sida lindheimeri | Sida texana (Torr. & Gray) Small | SITE6 |
| Sida repens | Sida cordata auct. non (Burm. f.) Waalkes [misapplied] | SICO9 |
| Sida repens | Sida humilis sensu Britt. & P. Wilson | SIHU |
| Sida repens | Sida javensis Cav. ssp. expilosa Waalkes | SIJAE |
| Sida salviifolia | Sida erecta Macfad. | SIER4 |
| Sida salviifolia | Sida holwayi Baker & Rose | SIHO2 |
| Sida spinosa | Sida alba L. | SIAL6 |
| Sida spinosa | Sida angustifolia auct. p.p., non Lam. | SIAN11 |
| Sida spinosa | Sida spinosa L. var. angustifolia auct. p.p., non (Lam.) Griseb. | SISPA2 |
| Sidalcea calycosa ssp. rhizomata | Sidalcea rhizomata Jepson | SIRH2 |
| Sidalcea covillei | Sidalcea neomexicana Gray var. covillei (Greene) Roush | SINEC3 |
| Sidalcea cusickii | Sidalcea cusickii Piper ssp. purpurea C.L. Hitchc. | SICUP |
| Sidalcea cusickii | Sidalcea oregana (Nutt. ex Torr. & Gray) Gray var. cusickii (Piper) Roush | SIORC3 |
| Sidalcea hickmanii ssp. parishii | Sidalcea hickmanii Greene var. parishii B.L. Robins. | SIHIP2 |
| Sidalcea malviflora ssp. asprella | Sidalcea asprella Greene | SIAS4 |
| Sidalcea malviflora ssp. californica | Sidalcea malviflora (DC.) Gray ex Benth. var. californica (Nutt. ex Torr. & Gray) Jepson | SIMAC3 |
| Sidalcea malviflora ssp. celata | Sidalcea malviflora (DC.) Gray ex Benth. var. celata Jepson | SIMAC4 |
| Sidalcea malviflora ssp. nana | Sidalcea reptans Greene var. nana Jepson | SIREN |
| Sidalcea malviflora ssp. virgata | Sidalcea malviflora (DC.) Gray ex Benth. var. virgata (T.J. Howell) Dimling | SIMAV2 |
| Sidalcea malviflora ssp. virgata | Sidalcea virgata T.J. Howell | SIVI3 |
| Sidalcea neomexicana ssp. crenulata | Sidalcea neomexicana Gray var. crenulata (A. Nels.) C.L. Hitchc. | SINEC |
| Sidalcea neomexicana ssp. thurberi | Sidalcea neomexicana Gray var. parviflora Greene | SINEP |
| Sidalcea oregana ssp. eximia | Sidalcea eximia Greene | SIEX3 |
| Sidalcea oregana ssp. spicata | Sidalcea oregana (Nutt. ex Torr. & Gray) Gray var. spicata (Regel) Jepson | SIORS2 |
| Sidalcea oregana ssp. spicata | Sidalcea setosa C.L. Hitchc. | SISE |
| Sidalcea oregana ssp. spicata | Sidalcea setosa C.L. Hitchc. ssp. querceta C.L. Hitchc. | SISEQ |
| Sidalcea oregana ssp. spicata | Sidalcea spicata (Regel) Greene | SISP5 |
| Sidalcea oregana ssp. spicata | Sidalcea spicata (Regel) Greene var. tonsa M.E. Peck | SISPT |
| Sidalcea oregana ssp. valida | Sidalcea spicata (Regel) Greene var. valida (Greene) Wiggins | SISPV |
| Sidalcea oregana ssp. valida | Sidalcea valida Greene | SIVA3 |
| Sidastrum multiflorum | Sida acuminata DC. | SIAC4 |
| Sidastrum multiflorum | Sidastrum acuminatum (DC.) Fryxell | SIAC5 |
| Sidastrum paniculatum | Sida paniculata L. | SIPA10 |
| Sierra checkerbloom | Sidalcea reptans Greene | SIRE |
| Siskiyou checkerbloom | Sidalcea malviflora (DC.) Gray ex Benth. ssp. patula C.L. Hitchc. | SIMAP |
| slender bushmallow | Malacothamnus jonesii (Munz) Kearney | MAJO |
| small fryxellwort | Fryxellia pygmaea (Correll) Bates | FRPY |
| smallflower globemallow | Sphaeralcea parvifolia A. Nels. | SPPA2 |
| smooth fanpetals | Sida glabra P. Mill. | SIGL4 |
| soft globemallow | Sphaeralcea incana Torr. ex Gray ssp. cuneata Kearney | SPINC |
| Sonoran Indian mallow | Abutilon mollicomum (Willd.) Sweet | ABMO2 |
| southern island mallow | Lavatera assurgentiflora Kellogg ssp. glabra Philbrick | LAASG |
| spear globemallow | Sphaeralcea hastulata Gray | SPHA |
| spearleaf swampmallow | Pavonia hastata Cav. | PAHA5 |
| Sphaeralcea ambigua | Sphaeralcea ambigua Gray var. ambigua Gray [superfluous autonym] | SPAMA3 |
| Sphaeralcea ambigua ssp. monticola | Sphaeralcea ambigua Gray var. aculeata Jepson | SPAMA2 |
| Sphaeralcea ambigua ssp. rosacea | Sphaeralcea ambigua Gray var. rosacea (Munz & Johnston) Kearney | SPAMR4 |
| Sphaeralcea ambigua ssp. rugosa | Sphaeralcea ambigua Gray var. rugosa (Kearney) Kearney | SPAMR5 |
| Sphaeralcea angustifolia | Phymosia cuspidata (Gray) Britt. | PHCU5 |
| Sphaeralcea angustifolia | Sphaeralcea angustifolia (Cav.) G. Don ssp. cuspidata (Gray) Kearney | SPANC |
| Sphaeralcea angustifolia | Sphaeralcea angustifolia (Cav.) G. Don ssp. lobata (Woot.) Kearney | SPANL |
| Sphaeralcea angustifolia | Sphaeralcea angustifolia (Cav.) G. Don var. cuspidata Gray | SPANC2 |
| Sphaeralcea angustifolia | Sphaeralcea angustifolia (Cav.) G. Don var. lobata (Woot.) Kearney | SPANL2 |
| Sphaeralcea angustifolia | Sphaeralcea angustifolia (Cav.) G. Don var. oblongifolia (Gray) Shinners | SPANO |
| Sphaeralcea angustifolia | Sphaeralcea cuspidata (Gray) Britt. | SPCU3 |
| Sphaeralcea angustifolia | Sphaeralcea emoryi Torr. ex Gray ssp. nevadensis Kearney | SPEMN |
| Sphaeralcea angustifolia | Sphaeralcea emoryi Torr. ex Gray var. nevadensis (Kearney) Kearney | SPEMN2 |
| Sphaeralcea bonariensis | Sphaeralcea cisplatina St.-Hil. | SPCI3 |
| Sphaeralcea bonariensis | Sphaeralcea miniata Spach | SPMI14 |
| Sphaeralcea coccinea ssp. coccinea | Malvastrum coccineum (Nutt.) Gray | MACO25 |
| Sphaeralcea coccinea ssp. coccinea | Sphaeralcea coccinea (Nutt.) Rydb. ssp. dissecta (Nutt. ex Torr. & Gray) Kearney | SPCOD |
| Sphaeralcea coccinea ssp. coccinea | Sphaeralcea coccinea (Nutt.) Rydb. var. dissecta (Nutt. ex Torr. & Gray) Garrett | SPCOD2 |
| Sphaeralcea coccinea ssp. elata | Sphaeralcea coccinea (Nutt.) Rydb. var. elata (E.G. Baker) Kearney | SPCOE2 |
| Sphaeralcea digitata ssp. tenuipes | Sphaeralcea digitata (Greene) Rydb. var. angustiloba (Gray) Shinners | SPDIA |
| Sphaeralcea digitata ssp. tenuipes | Sphaeralcea digitata (Greene) Rydb. var. tenuipes (Woot. & Standl.) Kearney | SPDIT2 |
| Sphaeralcea emoryi | Sphaeralcea emoryi Torr. ex Gray ssp. arida (Rose) Kearney | SPEMA2 |
| Sphaeralcea emoryi | Sphaeralcea emoryi Torr. ex Gray ssp. variabilis (Cockerell) Kearney | SPEMV |
| Sphaeralcea emoryi | Sphaeralcea emoryi Torr. ex Gray var. arida (Rose) Kearney | SPEMA3 |
| Sphaeralcea emoryi | Sphaeralcea emoryi Torr. ex Gray var. californica (Parish) Shinners | SPEMC |
| Sphaeralcea emoryi | Sphaeralcea emoryi Torr. ex Gray var. variabilis (Cockerell) Kearney | SPEMV2 |
| Sphaeralcea emoryi | Sphaeralcea emoryi Torr. var. emoryi Torr. [superfluous autonym] | SPEME3 |
| Sphaeralcea fendleri ssp. albescens | Sphaeralcea fendleri Gray var. albescens (Kearney) Kearney | SPFEA2 |
| Sphaeralcea fendleri ssp. elongata | Sphaeralcea fendleri Gray var. elongata (Kearney) Kearney | SPFEE2 |
| Sphaeralcea fendleri ssp. tripartita | Sphaeralcea fendleri Gray var. tripartita (Woot. & Standl.) Kearney | SPFET2 |
| Sphaeralcea fendleri ssp. venusta | Sphaeralcea fendleri Gray var. venusta (Kearney) Kearney | SPFEV2 |
| Sphaeralcea grossulariifolia ssp. grossulariifolia | Sphaeralcea grossulariifolia (Hook. & Arn.) Rydb. var. fumariensis Welsh & Atwood | SPGRF2 |
| Sphaeralcea grossulariifolia ssp. grossulariifolia | Sphaeralcea grossulariifolia (Hook. & Arn.) Rydb. var. moorei Welsh | SPGRM |
| Sphaeralcea grossulariifolia ssp. pedata | Sphaeralcea grossulariifolia (Hook. & Arn.) Rydb. var. pedata (Torr. ex Gray) Kearney | SPGRP3 |
| Sphaeralcea hastulata | Sphaeralcea subhastata Coult. | SPSU |
| Sphaeralcea hastulata | Sphaeralcea subhastata Coult. ssp. connata Kearney | SPSUC |
| Sphaeralcea hastulata | Sphaeralcea subhastata Coult. ssp. latifolia Kearney | SPSUL |
| Sphaeralcea hastulata | Sphaeralcea subhastata Coult. ssp. martii (Cockerell) Kearney | SPSUM |
| Sphaeralcea hastulata | Sphaeralcea subhastata Coult. ssp. pumila (Woot. & Standl.) Kearney | SPSUP |
| Sphaeralcea hastulata | Sphaeralcea subhastata Coult. ssp. thyrsoidea Kearney | SPSUT |
| Sphaeralcea hastulata | Sphaeralcea subhastata Coult. var. connata (Kearney) Kearney | SPSUC2 |
| Sphaeralcea hastulata | Sphaeralcea subhastata Coult. var. latifolia (Kearney) Kearney | SPSUL2 |
| Sphaeralcea hastulata | Sphaeralcea subhastata Coult. var. martii (Cockerell) Kearney | SPSUM2 |
| Sphaeralcea hastulata | Sphaeralcea subhastata Coult. var. pumila (Woot. & Standl.) Kearney | SPSUP2 |
| Sphaeralcea hastulata | Sphaeralcea subhastata Coult. var. thyrsoidea (Kearney) Kearney | SPSUT2 |
| Sphaeralcea incana ssp. cuneata | Sphaeralcea incana Torr. ex Gray var. cuneata (Kearney) Kearney | SPINC2 |
| Sphaeralcea janeae | Sphaeralcea leptophylla (Gray) Rydb. var. janeae Welsh | SPLEJ |
| Sphaeralcea munroana ssp. subrhomboidea | Sphaeralcea munroana (Dougl. ex Lindl.) Spach ex Gray var. subrhomboidea (Rydb.) Kearney | SPMUS3 |
| Sphaeralcea rusbyi ssp. eremicola | Sphaeralcea eremicola Jeps. | SPER3 |
| Sphaeralcea rusbyi ssp. eremicola | Sphaeralcea rusbyi Gray var. eremicola (Jepson) Kearney | SPRUE2 |
| Sphaeralcea rusbyi ssp. gilensis | Sphaeralcea rusbyi Gray var. gilensis (Kearney) Kearney | SPRUG2 |
| spreading fanpetals | Sida abutifolia P. Mill. | SIAB |
| St. John's rosemallow | Hibiscus kokio Hbd. ex Wawra ssp. saintjohnianus (Roe) D. Bates | HIKOS |
| sticky fanpetals | Sida glutinosa Comm. ex Cav. | SIGL6 |
| stipule fanpetals | Sida stipularis Cav. | SIST5 |
| stockflower fanpetals | Sida longipes Gray | SILO |
| streambank wild hollyhock | Iliamna rivularis (Dougl. ex Hook.) Greene | ILRI |
| streambank wild hollyhock | Iliamna rivularis (Dougl. ex Hook.) Greene var. diversa (A. Nels.) Wiggins | ILRID |
| streambank wild hollyhock | Iliamna rivularis (Dougl. ex Hook.) Greene var. rivularis | ILRIR |
| striped rosemallow | Hibiscus striatus Cav. | HIST |
| striped rosemallow | Hibiscus striatus Cav. ssp. lambertianus (Kunth) Blanch. ex Proct. | HISTL2 |
| Sturt's desert rose | Gossypium sturtianum J. H. Willis | GOST3 |
| swamp rosemallow | Hibiscus grandiflorus Michx. | HIGR4 |
| swampbush | Pavonia paludicola D.H. Nicols. ex Fryxell | PAPA28 |
| swampmallow | Pavonia Cav. | PAVON |
| tall poppymallow | Callirhoe leiocarpa R.F. Martin | CALE2 |
| Texas Indian mallow | Abutilon fruticosum Guill. & Perrottet | ABFR3 |
| Texas poppymallow | Callirhoe scabriuscula B.L. Robins. | CASC4 |
| Texas swampmallow | Pavonia lasiopetala Scheele | PALA13 |
| texasfan | Meximalva filipes (Gray) Fryxell | MEFI |
| thespesia | Thespesia Soland. ex Correa | THESP |
| Thespesia grandiflora | Montezuma speciosissima DC. | MOSP5 |
| thicket anoda | Anoda crenatiflora Ortega | ANCR |
| thicket globemallow | Sphaeralcea fendleri Gray ssp. albescens Kearney | SPFEA |
| thicket globemallow | Sphaeralcea fendleri Gray ssp. elongata Kearney | SPFEE |
| thicket globemallow | Sphaeralcea fendleri Gray ssp. tripartita (Woot. & Standl.) Kearney | SPFET |
| thicket globemallow | Sphaeralcea fendleri Gray ssp. venusta Kearney | SPFEV |
| threelobe false mallow | Malvastrum coromandelianum (L.) Garcke | MACO6 |
| threelobe rosemallow | Hibiscus trilobus Aubl. | HITR4 |
| Thurber's checkerbloom | Sidalcea neomexicana Gray ssp. thurberi (B.L. Robins. ex Gray) C.L. Hitchc. | SINET |
| Thurber's cotton | Gossypium thurberi Todaro | GOTH |
| Thurber's Indian mallow | Abutilon thurberi Gray | ABTH2 |
| tight-flower swampmallow | Pavonia corymbosa (Sw.) Willd. | PACO25 |
| trailing abutilon | Abutilon megapotamicum (A. Spreng.) A. St.-Hil. & Naudin | ABME3 |
| tree cotton | Gossypium arboreum L. | GOAR2 |
| tree lavatera | Lavatera olbia L. | LAOL2 |
| tree lavatera | Lavatera thuringiaca L. | LATH |
| tree mallow | Lavatera arborea L. | LAAR2 |
| tree mallow | Lavatera L. | LAVAT |
| treecotton | Kokia Lewt. | KOKIA |
| tropical fanleaf | Fioria vitifolia (L.) Mattei | FIVI2 |
| tropical fanpetals | Sida urens L. | SIUR2 |
| tropical leafbract | Malachra radiata L. | MARA4 |
| tropical rose mallow | Hibiscus vitifolius L. | HIVI |
| tufted globemallow | Sphaeralcea caespitosa M. E. Jones var. caespitosa | SPCAC3 |
| tufted globemallow | Sphaeralcea caespitosa M.E. Jones | SPCA4 |
| umbrella Indian mallow | Pseudabutilon umbellatum (L.) Fryxell | PSUM2 |
| upland cotton | Gossypium hirsutum L. | GOHI |
| upland cotton | Gossypium hirsutum L. var. hirsutum | GOHIH2 |
| urena | Urena L. | URENA |
| Urena lobata | Urena trilobata Vell. | URTR |
| Urena sinuata | Urena lobata L. ssp. sinuata (L.) Waalkes | URLOS |
| Urena sinuata | Urena lobata L. var. sinuata (L.) Miq. ex Kuntze | URLOS2 |
| valley checkerbloom | Sidalcea hartwegii Gray ex Benth. | SIHA |
| variableleaf flymallow | Cienfuegosia heterophylla (Vent.) Garcke | CIHE2 |
| velvetleaf | Abutilon theophrasti Medik. | ABTH |
| velvetleaf Indian mallow | Pseudabutilon stuckertii R.E. Fries | PSST8 |
| velvetmallow | Horsfordia Gray | HORSF |
| vervain mallow | Malva alcea L. | MAAL |
| Virginia fanpetals | Sida hermaphrodita (L.) Rusby | SIHE3 |
| Virginia saltmarsh mallow | Kosteletzkya virginica (L.) K. Presl ex Gray | KOVI |
| viscid mallow | Bastardia viscosa (L.) Kunth | BAVI4 |
| viscid mallow | Bastardia viscosa (L.) Kunth var. sanctae-crucis R.E. Fries | BAVIS2 |
| viscid mallow | Bastardia viscosa (L.) Kunth var. viscosa | BAVIV |
| Wailupe Valley treecotton | Kokia lanceolata Lewt. | KOLA2 |
| wax mallow | Malvaviscus arboreus Dill. ex Cav. | MAAR14 |
| wax mallow | Malvaviscus arboreus Dill. ex Cav. var. arboreus | MAARA |
| wax mallow | Malvaviscus arboreus Dill. ex Cav. var. drummondii (Torr. & Gray) Schery | MAARD |
| wax mallow | Malvaviscus Fabr. | MALVA3 |
| waxy checkerbloom | Sidalcea glaucescens Greene | SIGL2 |
| white checkerbloom | Sidalcea candida Gray | SICA3 |
| white checkerbloom | Sidalcea candida Gray var. candida | SICAC4 |
| white checkerbloom | Sidalcea candida Gray var. glabrata C.L. Hitchc. | SICAG3 |
| white fenrose | Kosteletzkya depressa (L.) O.J. Blanchard, Fryxell & Bates | KODE2 |
| white Kauai rosemallow | Hibiscus waimeae Heller | HIWA |
| white Kauai rosemallow | Hibiscus waimeae Heller ssp. hannerae (O.& I. Deg.) D. Bates | HIWAH |
| white Kauai rosemallow | Hibiscus waimeae Heller ssp. waimeae | HIWAW |
| white mallow | Eremalche exilis (Gray) Greene | EREX3 |
| white rosemallow | Hibiscus arnottianus Gray | HIAR |
| white rosemallow | Hibiscus arnottianus Gray ssp. arnottianus | HIARA2 |
| white rosemallow | Hibiscus arnottianus Gray ssp. immaculatus (Roe) D. Bates | HIARI |
| white velvetleaf | Wissadula periplocifolia (L.) K. Presl ex Thwaites | WIPE |
| whiteleaf Indian mallow | Abutilon hypoleucum Gray | ABHY |
| whitestem globemallow | Sphaeralcea munroana (Dougl. ex Lindl.) Spach ex Gray ssp. subrhomboidea (Rydb.) Kearney | SPMUS2 |
| wild hollyhock | Iliamna Greene | ILIAM |
| winecup | Callirhoe digitata Nutt. | CADI2 |
| wissadula | Wissadula Medik. | WISSA |
| Wood's hau kuahiwi | Hibiscadelphus woodii D.H. Lorence & W.L. Wagner | HIWO |
| woodland poppymallow | Callirhoe papaver (Cav.) Gray | CAPA2 |
| woolly globemallow | Sphaeralcea lindheimeri Gray | SPLI |
| Wright's false mallow | Malvastrum aurantiacum (Scheele) Walp. | MAAU |
| Wright's globemallow | Sphaeralcea wrightii Gray | SPWR |
| Wright's Indian mallow | Abutilon wrightii Gray | ABWR |
| yellow 'lima | Sida fallax Walp. | SIFA |
| yellow flymallow | Cienfuegosia drummondii (Gray) Lewt. | CIDR |
| yellow Indian mallow | Abutilon malacum S. Wats. | ABMA3 |
| yellow leafbract | Malachra alceifolia Jacq. | MAAL4 |
| yellowflower Indian mallow | Abutilon reventum S. Wats. | ABRE |
| yellowstem bushmallow | Malacothamnus densiflorus (S. Wats.) Greene | MADE |
| Yucatan flymallow | Cienfuegosia yucatanensis Millsp. | CIYU |