| Common Name | Scientific Name | Code |
| n/a | Eucnide aurea (Gray) H. J. Thomps. & W. R. Ernst | EUAU2 |
| n/a | Eucnide grandiflora (Groenl.) Rose | EUGR17 |
| n/a | Mentzelia humilis (Gray) J. Darl. var. guadalupensis Spellenberg | MEHUG |
| Adonis blazingstar | Mentzelia multiflora (Nutt.) Gray | MEMU3 |
| Adonis blazingstar | Mentzelia multiflora (Nutt.) Gray var. integra M.E. Jones | MEMUI |
| Adonis blazingstar | Mentzelia multiflora (Nutt.) Gray var. longiloba (J. Darl.) Kartesz | MEMUL2 |
| Adonis blazingstar | Mentzelia multiflora (Nutt.) Gray var. multiflora | MEMUM2 |
| Arapien blazingstar | Mentzelia argillosa J. Darl. | MEAR5 |
| Argus blazingstar | Mentzelia oreophila J. Darl. | MEOR3 |
| Ash Meadows blazingstar | Mentzelia leucophylla Brandeg. | MELE3 |
| blazingstar | Mentzelia L. | MENTZ |
| bractless blazingstar | Mentzelia nuda (Pursh) Torr. & Gray | MENU |
| bractless blazingstar | Mentzelia nuda (Pursh) Torr. & Gray var. nuda | MENUN |
| bractless blazingstar | Mentzelia nuda (Pursh) Torr. & Gray var. stricta (Osterhout) Harrington | MENUS |
| bushy blazingstar | Mentzelia dispersa S. Wats. | MEDI |
| bushy blazingstar | Mentzelia dispersa S. Wats. var. dispersa | MEDID |
| bushy blazingstar | Mentzelia dispersa S. Wats. var. latifolia (Rydb.) J.F. Macbr. | MEDIL |
| Candelaria blazingstar | Mentzelia candelariae H.J. Thompson & Prigge | MECA8 |
| chickenthief | Mentzelia oligosperma Nutt. ex Sims | MEOL |
| Coahuila blazingstar | Mentzelia pachyrhiza I.M. Johnston | MEPA4 |
| Colorado blazingstar | Mentzelia marginata (Osterhout) H.J. Thompson & Prigge | MEMA5 |
| Cronquist's blazingstar | Mentzelia cronquistii H.J. Thompson & Prigge | MECR4 |
| cutleaf blazingstar | Mentzelia laciniata (Rydb.) J. Darl. | MELA |
| Death Valley sandpaper plant | Petalonyx thurberi Gray ssp. gilmanii (Munz) Davis & H.J. Thompson | PETHG |
| desert blazingstar | Mentzelia desertorum (A. Davids.) H.J. Thompson & Roberts | MEDE5 |
| desert stingbush | Eucnide urens (Parry ex Gray) Parry | EUUR |
| dwarf mentzelia | Mentzelia pumila Nutt. ex Torr. & Gray | MEPU3 |
| dwarf mentzelia | Mentzelia pumila Nutt. ex Torr. & Gray var. lagarosa Thorne | MEPUL |
| dwarf mentzelia | Mentzelia pumila Nutt. ex Torr. & Gray var. pumila | MEPUP |
| El Paso blazingstar | Mentzelia saxicola H.J. Thompson & Zavortink | MESA2 |
| Eucnide rupestris | Sympetaleia rupestris (Baill.) Gray ex S. Wats. | SYRU3 |
| gold blazingstar | Mentzelia chrysantha Engelm. ex Brandeg. | MECH |
| Goodrich's blazingstar | Mentzelia goodrichii Thorne & Welsh | MEGO |
| grass blazingstar | Mentzelia gracilenta Torr. & Gray | MEGR |
| grassland blazingstar | Mentzelia strictissima (Woot. & Standl.) J. Darl. | MEST3 |
| gypsum blazingstar | Mentzelia humilis (Gray) J. Darl. | MEHU |
| gypsum blazingstar | Mentzelia humilis (Gray) J. Darl. var. humilis | MEHUH |
| hairy blazingstar | Mentzelia hirsutissima S. Wats. | MEHI3 |
| Inyo blazingstar | Mentzelia inyoensis Prigge | MEIN15 |
| isolated blazingstar | Mentzelia isolata H.C. Gentry | MEIS |
| jeweled blazingstar | Mentzelia speciosa Osterhout | MESP4 |
| Jones's blazingstar | Mentzelia jonesii (Urban & Gilg) H.J. Thompson & Roberts | MEJO |
| leechleaf blazingstar | Mentzelia sinuata (Rydb.) R.J. Hill | MESI |
| Lindheimer's blazingstar | Mentzelia lindheimeri Urban & Gilg | MELI3 |
| Lindley's blazingstar | Mentzelia lindleyi Torr. & Gray | MELI4 |
| manystem blazingstar | Mentzelia multicaulis (Osterhout) A. Nels. ex J. Darl. | MEMU2 |
| manystem blazingstar | Mentzelia multicaulis (Osterhout) A. Nels. ex J. Darl. var. librina Thorne & F.G. Sm. | MEMUL |
| manystem blazingstar | Mentzelia multicaulis (Osterhout) A. Nels. ex J. Darl. var. multicaulis | MEMUM |
| Mentzelia albicaulis | Acrolasia albicaulis (Dougl. ex Hook.) Rydb. | ACAL10 |
| Mentzelia albicaulis | Acrolasia gracilis Rydb. | ACGR16 |
| Mentzelia albicaulis | Mentzelia albicaulis (Dougl. ex Hook.) Dougl. ex Torr. & Gray var. ctenophora (Rydb.) St. John | MEALC |
| Mentzelia albicaulis | Mentzelia albicaulis (Dougl. ex Hook.) Dougl. ex Torr. & Gray var. gracilis (Nutt.) J. Darl. | MEALG |
| Mentzelia albicaulis | Mentzelia albicaulis (Dougl. ex Hook.) Dougl. ex Torr. & Gray var. tenerrima (Rydb.) St. John | MEALT |
| Mentzelia albicaulis | Mentzelia gracilis (Rydb.) H.J. Thompson & Lewis, non Urban & Gilg | MEGR3 |
| Mentzelia albicaulis | Mentzelia mojavensis H.J. Thompson & Roberts | MEMO3 |
| Mentzelia albicaulis | Trachyphytum gracile Nutt. | TRGR19 |
| Mentzelia argillosa | Nuttallia argillosa (J. Darl.) W.A. Weber | NUAR |
| Mentzelia chrysantha | Mentzelia lutea Greene | MELU4 |
| Mentzelia chrysantha | Nuttallia chrysantha (Engelm. ex Brandeg.) Greene | NUCH |
| Mentzelia congesta | Mentzelia congesta Nutt. ex Torr. & Gray var. davidsoniana (Abrams) J.F. Macbr. | MECOD2 |
| Mentzelia crocea | Mentzelia lindleyi Torr. & Gray ssp. crocea (Kellogg) C.B. Wolf | MELIC4 |
| Mentzelia cronquistii | Nuttallia cronquistii (H.J. Thompson & Prigge) W.A. Weber | NUCR |
| Mentzelia decapetala | Nuttallia decapetala (Pursh ex Sims) Greene | NUDE |
| Mentzelia densa | Nuttallia densa (Greene) Greene | NUDE2 |
| Mentzelia desertorum | Acrolasia desertorum A. Davids. | ACDE6 |
| Mentzelia dispersa var. dispersa | Acrolasia dispersa (S. Wats.) A. Davids. | ACDI2 |
| Mentzelia dispersa var. obtusa | Mentzelia pinetorum Heller | MEPI3 |
| Mentzelia gracilenta | Mentzelia ravenii H.J. Thompson & Roberts | MERA |
| Mentzelia hirsutissima | Mentzelia hirsutissima S. Wats. var. stenophylla (Urban & Gilg) I.M. Johnston | MEHIS |
| Mentzelia humilis var. humilis | Acrolasia humilis Osterhout | ACHU3 |
| Mentzelia humilis var. humilis | Acrolasia thompsonii (Glad.) W.A. Weber | ACTH2 |
| Mentzelia humilis var. humilis | Mentzelia thompsonii Glad. | METH |
| Mentzelia humilis var. humilis | Nuttallia humilis (Gray) Rydb. | NUHU |
| Mentzelia jonesii | Mentzelia nitens Greene var. jonesii (Urban & Gilg) J. Darl. | MENIJ |
| Mentzelia jonesii | Mentzelia nitens Greene var. leptocaulis J. Darl. | MENIL |
| Mentzelia laciniata | Nuttallia laciniata (Rydb.) Woot. & Standl. | NULA |
| Mentzelia laevicaulis var. laevicaulis | Mentzelia laevicaulis (Dougl. ex Hook.) Torr. & Gray var. acuminata (Rydb.) A. Nels. & J.F. Macbr. | MELAA |
| Mentzelia laevicaulis var. laevicaulis | Nuttallia laevicaulis (Dougl. ex Hook.) Greene | NULA2 |
| Mentzelia laevicaulis var. parviflora | Mentzelia brandegeei S. Wats. | MEBR4 |
| Mentzelia laevicaulis var. parviflora | Mentzelia douglasii St. John | MEDO |
| Mentzelia marginata | Nuttallia marginata Osterhout | NUMA |
| Mentzelia montana | Acrolasia montana A. Davids. | ACMO5 |
| Mentzelia multicaulis var. multicaulis | Nuttallia multicaulis Osterhout | NUMU |
| Mentzelia multiflora var. integra | Mentzelia integra (M.E. Jones) Tidestrom | MEIN12 |
| Mentzelia multiflora var. integra | Mentzelia pumila Nutt. ex Torr. & Gray var. integra (M.E. Jones) Kearney & Peebles | MEPUI |
| Mentzelia multiflora var. longiloba | Mentzelia longiloba J. Darl. | MELO5 |
| Mentzelia multiflora var. longiloba | Mentzelia multiflora (Nutt.) Gray ssp. longiloba (J. Darl.) Felger | MEMUL3 |
| Mentzelia multiflora var. multiflora | Mentzelia pumila Nutt. ex Torr. & Gray var. multiflora (Nutt.) Urban & Gilg | MEPUM |
| Mentzelia multiflora var. multiflora | Nuttallia multiflora (Nutt.) Greene | NUMU2 |
| Mentzelia nitens var. nitens | Mentzelia californica H.J. Thompson & Roberts | MECA5 |
| Mentzelia nuda var. nuda | Nuttallia nuda (Pursh) Greene | NUNU |
| Mentzelia nuda var. stricta | Mentzelia stricta (Osterhout) G.W. Stevens ex Jeffs & Little | MEST4 |
| Mentzelia nuda var. stricta | Nuttallia stricta (Osterhout) Greene | NUST |
| Mentzelia oreophila | Mentzelia puberula J. Darl. | MEPU2 |
| Mentzelia pectinata | Mentzelia gracilenta Torr. & Gray var. pectinata (Kellogg) Jepson | MEGRP |
| Mentzelia pterosperma | Nuttallia pterosperma (Eastw.) Greene | NUPT |
| Mentzelia pumila var. pumila | Mentzelia pumila Nutt. ex Torr. & Gray var. procera (Woot. & Standl.) J. Darl. | MEPUP2 |
| Mentzelia reverchonii | Nuttallia reverchonii (Urban & Gilg) W.A. Weber | NURE |
| Mentzelia rusbyi | Mentzelia nuda (Pursh) Torr. & Gray var. rusbyi (Woot.) Harrington | MENUR |
| Mentzelia rusbyi | Nuttallia rusbyi (Woot.) Rydb. | NURU |
| Mentzelia sinuata | Nuttallia sinuata (Rydb.) Daniels | NUSI |
| Mentzelia speciosa | Nuttallia speciosa (Osterhout) Greene | NUSP |
| Mentzelia tridentata | Mentzelia tricuspis Gray var. brevicornuta I.M. Johnston | METRB |
| Mentzelia veatchiana | Mentzelia albicaulis (Dougl. ex Hook.) Dougl. ex Torr. & Gray var. veatchiana (Kellogg) Urban & Gilg | MEALV |
| Mentzelia veatchiana | Mentzelia gracilenta Torr. & Gray var. veatchiana (Kellogg) Urban & Gilg | MEGRV |
| Mexican blazingstar | Mentzelia mexicana H.J. Thompson & Zavortink | MEME |
| narrowleaf sandpaper plant | Petalonyx linearis Greene | PELI5 |
| Nevada blazingstar | Mentzelia dispersa S. Wats. var. compacta (A. Nels.) J.F. Macbr. | MEDIC2 |
| Nevada blazingstar | Mentzelia dispersa S. Wats. var. obtusa Jepson | MEDIO |
| Organ Mountain blazingstar | Mentzelia asperula Woot. & Standl. | MEAS2 |
| Pacific blazingstar | Mentzelia obscura H.J. Thompson & Roberts | MEOB3 |
| Packard's blazingstar | Mentzelia packardiae Glad. | MEPA5 |
| Parry's sandpaper plant | Petalonyx parryi Gray | PEPA13 |
| perennial blazingstar | Mentzelia perennis Woot. | MEPE6 |
| Petalonyx thurberi ssp. gilmanii | Petalonyx gilmanii Munz | PEGI3 |
| Petalonyx thurberi ssp. gilmanii | Petalonyx thurberi Gray var. gilmanii (Munz) L. Benson | PETHG2 |
| pinyon blazingstar | Mentzelia eremophila (Jepson) H.J. Thompson & Roberts | MEER2 |
| polished blazingstar | Mentzelia polita A. Nels. | MEPO2 |
| poorman's patch | Mentzelia floridana Nutt. ex Torr. & Gray | MEFL |
| reflexed blazingstar | Mentzelia reflexa Coville | MERE |
| Reverchon's blazingstar | Mentzelia reverchonii (Urban & Gilg) H.J. Thompson & Zavortink | MERE2 |
| Rio Chama blazingstar | Mentzelia conspicua T.K. Todsen | MECO24 |
| rock nettle | Eucnide rupestris (Baill.) H.J. Thompson & Ernst | EURU5 |
| Royal Gorge blazingstar | Mentzelia densa Greene | MEDE3 |
| Rusby's blazingstar | Mentzelia rusbyi Woot. | MERU |
| San Joaquin blazingstar | Mentzelia pectinata Kellogg | MEPE4 |
| San Luis blazingstar | Mentzelia micrantha (Hook. & Arn.) Torr. & Gray | MEMI3 |
| sandpaper plant | Petalonyx Gray | PETAL |
| Santa Fe blazingstar | Mentzelia springeri (Standl.) Tidestrom | MESP5 |
| shining blazingstar | Mentzelia nitens Greene | MENI2 |
| shining blazingstar | Mentzelia nitens Greene var. nitens | MENIN |
| shinyleaf sandpaper plant | Petalonyx nitidus S. Wats. | PENI |
| Shultz's blazingstar | Mentzelia shultziorum Prigge | MESH |
| Sierra blazingstar | Mentzelia crocea Kellogg | MECR |
| smoothstem blazingstar | Mentzelia laevicaulis (Dougl. ex Hook.) Torr. & Gray | MELA2 |
| smoothstem blazingstar | Mentzelia laevicaulis (Dougl. ex Hook.) Torr. & Gray var. laevicaulis | MELAL3 |
| smoothstem blazingstar | Mentzelia laevicaulis (Dougl. ex Hook.) Torr. & Gray var. parviflora (Dougl. ex Hook.) C.L. Hitchc. | MELAP |
| soft blazingstar | Mentzelia mollis M.E. Peck | MEMO2 |
| spinyhair blazingstar | Mentzelia tricuspis Gray | METR2 |
| stingbush | Eucnide Zucc. | EUCNI |
| stinging serpent | Cevallia Lag. | CEVAL |
| stinging serpent | Cevallia sinuata Lag. | CESI |
| streambank blazingstar | Mentzelia incisa Urban & Gilg | MEIN6 |
| Sunset Crater blazingstar | Mentzelia collomiae C.M. Christy | MECO23 |
| tenpetal blazingstar | Mentzelia decapetala (Pursh ex Sims) Urban & Gilg ex Gilg | MEDE2 |
| Texas blazingstar | Mentzelia texana Urban & Gilg | METE |
| threetooth blazingstar | Mentzelia tridentata (A. Davids.) H.J. Thompson & Roberts | METR4 |
| Thurber's sandpaper plant | Petalonyx thurberi Gray | PETH4 |
| Thurber's sandpaper plant | Petalonyx thurberi Gray ssp. thurberi | PETHT |
| Torrey's blazingstar | Mentzelia torreyi Gray | METO2 |
| Torrey's blazingstar | Mentzelia torreyi Gray var. acerosa (M.E. Jones) Barneby | METOA |
| Torrey's blazingstar | Mentzelia torreyi Gray var. torreyi | METOT |
| tropical blazingstar | Mentzelia aspera L. | MEAS |
| united blazingstar | Mentzelia congesta Nutt. ex Torr. & Gray | MECO2 |
| variegated-bract blazingstar | Mentzelia montana (A. Davids.) A. Davids. | MEMO4 |
| Veatch's blazingstar | Mentzelia veatchiana Kellogg | MEVE5 |
| wavyleaf blazingstar | Mentzelia albescens (Gillies & Arn.) Griseb. | MEAL5 |
| whitebract blazingstar | Mentzelia involucrata S. Wats. | MEIN5 |
| whitebract blazingstar | Mentzelia involucrata S. Wats. var. involucrata | MEINI |
| whitebract blazingstar | Mentzelia involucrata S. Wats. var. megalantha I.M. Johnston | MEINM |
| whitestem blazingstar | Mentzelia albicaulis (Dougl. ex Hook.) Dougl. ex Torr. & Gray | MEAL6 |
| wingseed blazingstar | Mentzelia pterosperma Eastw. | MEPT |
| yellow stingbush | Eucnide bartonioides Zucc. | EUBA3 |
| yellowcomet | Mentzelia affinis Greene | MEAF2 |