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Threatened & Endangered
About PLANTS Threatened & Endangered

Protected Plants for All Scientific Names
Wetland Status = Upland Plants
Jurisdiction = Federal and State
State Distribution = U.S. States (Arizona, New Mexico, Utah)
530 records returned

Click on an accepted name below to view its PLANTS Profile with more information. Click on a place name in the reference list to view its T&E list, or click on the reference link to see published lists and learn more about each law. Protected plants that are synonyms retain their protected status, and are indented beneath the current PLANTS accepted name; common names are from PLANTS.

United States USFWS Endangered Species Program. 2014. All plants (January 2014). US Fish and Wildlife Service, Washington, DC.
Arizona Arizona Department of Agriculture. 2011. Protected native plants by categories. Arizona Department of Agriculture.
New Mexico Forestry and Resources Conservation Division. 1995. List of New Mexico state endangered plant species (20 October 2002). Energy, Minerals and Natural Resources Department, New Mexico.

Symbol Scientific Name Common Name Federal Protected Status State Protected Status
ACAR18 Actaea arizonica (S. Watson) J. Compton Arizona bugbane
CIAR Cimicifuga arizonica S. Watson AZ (HS)
AGAR8 Agave ×arizonica Gentry & J.Z. Weber (pro sp.) [chrysantha × toumeyana] Arizona century plant
AGAR3 Agave arizonica Gentry & J.Z. Weber E AZ (HS)
AGCH2 Agave chrysantha Peebles goldenflower century plant AZ (SR)
AGDE10 Agave delamateri W.C. Hodgson & L. Slauson Tonto Basin century plant AZ (HS)
AGDES Agave deserti Engelm. ssp. simplex Gentry desert agave AZ (SR)
AGMU Agave murpheyi F. Gibson Murphey's century plant AZ (HS)
AGPA3 Agave palmeri Engelm. Palmer's century plant AZ (SR)
AGPAP5 Agave parryi Engelm. ssp. parryi Parry's agave AZ (SR)
AGPAC Agave parryi Engelm. var. couesii (Engelm. ex Trel.) Kearney & Peebles AZ (SR)
AGPA5 Agave parviflora Torr. smallflower century plant AZ (HS, SR)
AGSCS2 Agave schottii Engelm. var. schottii Schott's century plant AZ (SR)
AGSCT Agave schottii Engelm. var. treleasei (Toumey) Kearney & Peebles Trelease's century plant AZ (HS, SR)
AGTOB Agave toumeyana Trel. ex Standl. var. bella Breitung Toumey's century plant AZ (SR)
AGTOT Agave toumeyana Trel. ex Standl. var. toumeyana Toumey's century plant AZ (SR)
AGUN2 Agave univittata Haw. McKelvey's century plant
AGMC Agave mckelveyana Gentry, nom. nud. AZ (SR)
AGUTK Agave utahensis Engelm. var. kaibabensis (McKelvey) Breitung Kaibab agave AZ (SR)
AGUTU Agave utahensis Engelm. var. utahensis Utah agave AZ (SR)
ALFO3 Aliciella formosa (Greene ex Brand) J.M. Porter Aztec gilia
GIFO Gilia formosa Greene ex Brand NM (E)
ALAC4 Allium acuminatum Hook. tapertip onion AZ (SR)
ALATC Allium atrorubens S. Watson var. cristatum (S. Watson) McNeal darkred onion
ALNEC Allium nevadense S. Watson var. cristatum (S. Watson) Ownbey AZ (SR)
ALBI Allium bigelovii S. Watson Bigelow's onion AZ (SR)
ALBI2 Allium bisceptrum S. Watson twincrest onion AZ (SR)
ALCEN Allium cernuum Roth var. neomexicanum (Rydb.) J.F. Macbr. New Mexican nodding onion AZ (SR)
ALCEO Allium cernuum Roth var. obtusum Cockerell ex J.F. Macbr. nodding onion AZ (SR)
ALGEG Allium geyeri S. Watson var. geyeri Geyer's onion AZ (SR)
ALGET Allium geyeri S. Watson var. tenerum M.E. Jones bulbil onion AZ (SR)
ALGL Allium glandulosum Link & Otto gland onion
ALRH Allium rhizomatum Woot. & Standl. AZ (SR)
ALGO Allium gooddingii Ownbey Goodding's onion AZ (HS), NM (E)
ALKU Allium kunthii G. Don Kunth's onion AZ (SR)
ALMA4 Allium macropetalum Rydb. largeflower onion AZ (SR)
ALNE Allium nevadense S. Watson Nevada onion AZ (SR)
ALPA2 Allium parishii S. Watson Parish's onion AZ (SR)
ALPL4 Allium plummerae S. Watson Tanners Canyon onion AZ (SR)
AMGO Amoreuxia gonzalezii Sprague & Riley Santa Rita mountain yellowshow AZ (HS)
AMKE Amsonia kearneyana Woodson Kearney's bluestar E AZ (HS)
AMTH Amsonia tharpii Woodson feltleaf bluestar NM (E)
ANBR4 Androstephium breviflorum S. Watson pink funnel lily AZ (SR)
APCH Apacheria chiricahuensis C.T. Mason apachebush AZ (SR)
AQCH Aquilegia chrysantha A. Gray golden columbine AZ (SR)
AQCOP Aquilegia coerulea James var. pinetorum (Tidestr.) Payson ex Kearney & Peebles Colorado blue columbine
AQCAP Aquilegia caerulea James var. pinetorum (Tidestr.) Payson ex Kearney & Peebles, orth. var. AZ (SR)
AQDE Aquilegia desertorum (M.E. Jones) Cockerell ex A. Heller desert columbine AZ (SR)
AQEL Aquilegia elegantula Greene western red columbine AZ (SR)
AQLO Aquilegia longissima A. Gray longspur columbine AZ (SR)
AQMI Aquilegia micrantha Eastw. Mancos columbine AZ (SR)
AQTR Aquilegia triternata Payson Chiricahua Mountain columbine AZ (SR)
ARCA4 Arctomecon californica Torr. & Frém. California bearpoppy AZ (SR)
ARHU3 Arctomecon humilis Coville common bearpoppy E
ARPLP Argemone pleiacantha Greene ssp. pinnatisecta G.B. Ownbey southwestern pricklypoppy E NM (E)
ASWE3 Asclepias welshii N.H. Holmgren & P.K. Holmgren Welsh's milkweed T
ASCOM Astragalus cobrensis A. Gray var. maguirei Kearney Maguire's milkvetch AZ (SR)
ASCRC4 Astragalus cremnophylax Barneby var. cremnophylax sentry milkvetch E AZ (HS)
ASCRM Astragalus cremnophylax Barneby var. myriorrhaphis Barneby sentry milkvetch AZ (SR)
ASDE2 Astragalus desereticus Barneby deseret milkvetch T
ASER4 Astragalus eremiticus Sheldon hermit milkvetch
ASAM14 Astragalus ampullarioides (S.L. Welsh) S.L. Welsh E
ASHO5 Astragalus holmgreniorum Barneby Paradox milkvetch E AZ (HS)
ASHU Astragalus humillimus A. Gray Mancos milkvetch E NM (E)
ASHY3 Astragalus hypoxylus S. Watson Huachuca Mountain milkvetch AZ (SR)
ASLIM Astragalus limnocharis Barneby var. montii (S.L. Welsh) Isely Monti's milkvetch
ASMO11 Astragalus montii S.L. Welsh T
ASMAP Astragalus magdalenae Greene var. peirsonii (Munz & McBurney) Barneby Peirson's milkvetch T
ASNU7 Astragalus nutriosensis S.C. Sand. Apache milkvetch AZ (SR)
ASXI Astragalus xiphoides (Barneby) Barneby gladiator milkvetch AZ (SR)
ATHY Atriplex hymenelytra (Torr.) S. Watson desertholly AZ (SR)
BUFA Bursera fagaroides (Kunth) Engl. fragrant bursera AZ (SR)
CAAM4 Calochortus ambiguus (M.E. Jones) Ownbey doubting mariposa lily AZ (SR)
CAAU8 Calochortus aureus S. Watson golden mariposa lily AZ (SR)
CAFL Calochortus flexuosus S. Watson winding mariposa lily AZ (SR)
CAGU Calochortus gunnisonii S. Watson Gunnison's mariposa lily AZ (SR)
CAKEK2 Calochortus kennedyi Porter var. kennedyi desert mariposa lily AZ (SR)
CAKEM Calochortus kennedyi Porter var. munzii Jeps. desert mariposa lily AZ (SR)
CABUA Calypso bulbosa (L.) Oakes var. americana (R. Br.) Luer fairy slipper AZ (SR)
CAEX10 Camissonia exilis (P.H. Raven) P.H. Raven Cottonwood Springs suncup AZ (SR)
CASP35 Carex specicola J.T. Howell Navajo sedge
CASP9 Carex specuicola J.T. Howell Navajo sedge T AZ (HS)
CAGI10 Carnegiea gigantea (Engelm.) Britton & Rose saguaro
CAGI7 Carnegia gigantea (Engelm.) Britton & Rose, orth. var. AZ (HS, SR)
CAEM4 Castela emoryi (A. Gray) Moran & Felger crucifixion thorn AZ (SR)
CASU12 Castilleja sulphurea Rydb. sulphur Indian paintbrush
CAMO16 Castilleja mogollonica Pennell AZ (SR)
CECAT Cercis canadensis L. var. texensis (S. Watson) M. Hopkins Texas redbud
CEOC3 Cercis occidentalis Torr. ex A. Gray AZ (SR)
CHLIA Chilopsis linearis (Cav.) Sweet ssp. arcuata (Fosberg) Henrickson desert willow
CHLIA2 Chilopsis linearis (Cav.) Sweet var. arcuata Fosberg AZ (SA)
CHLIL2 Chilopsis linearis (Cav.) Sweet ssp. linearis desert willow
CHLIG Chilopsis linearis (Cav.) Sweet var. glutinosa (Engelm.) Fosberg AZ (SA)
CIPA Cirsium parryi (A. Gray) Petr. Parry's thistle AZ (SR)
CIVI4 Cirsium vinaceum Woot. & Standl. Sacramento Mountain thistle T NM (E)
CIVI6 Cirsium virginense S.L. Welsh virgin thistle AZ (SR)
CLHIA Clematis hirsutissima Pursh var. arizonica (A. Heller) Erickson Arizona clematis AZ (HS)
CLMU Cleome multicaulis DC. slender spiderflower AZ (SR), NM (E)
COMA25 Corallorhiza maculata (Raf.) Raf. summer coralroot
COMA4 Corallorrhiza maculata (Raf.) Raf., orth. var. AZ (SR)
COST19 Corallorhiza striata Lindl. hooded coralroot
COST Corallorrhiza striata Lindl., orth. var. AZ (SR)
COWI5 Corallorhiza wisteriana Conrad spring coralroot
COWI2 Corallorrhiza wisteriana Conrad, orth. var. AZ (SR)
CORE3 Coryphantha recurvata (Engelm.) Britton & Rose Santa Cruz beehive cactus AZ (HS, SR)
COROR Coryphantha robustispina (Schott ex Engelm.) Britton & Rose ssp. robustispina long-tubercle beehive cactus
COSCR Coryphantha scheeri (Muehlenpf.) L.D. Benson var. robustispina (Schott ex Engelm.) L.D. Benson E AZ (HS)
COROS Coryphantha robustispina (Schott ex Engelm.) Britton & Rose ssp. scheeri (Muehlenpf.) N.P. Taylor Scheer's beehive cactus
COSCS Coryphantha scheeri (Muehlenpf.) L.D. Benson var. scheeri NM (E)
COROU Coryphantha robustispina (Schott ex Engelm.) Britton & Rose ssp. uncinata (L.D. Benson) N.P. Taylor Scheer's beehive cactus
COSCU Coryphantha scheeri (Muehlenpf.) L.D. Benson var. uncinata L.D. Benson NM (E)
COSCV Coryphantha scheeri (Muehlenpf.) L.D. Benson var. valida (Engelm.) L.D. Benson, nom. inq. AZ (SR)
CRCR7 Cryptantha crassipes I.M. Johnst. Terlingua Creek cryptantha E
CYHUJ Cycladenia humilis Benth. var. jonesii (Eastw.) S.L. Welsh & N.D. Atwood Jones' waxydogbane
CYJO2 Cycladenia jonesii Eastw. T
CYACA2 Cylindropuntia acanthocarpa (Engelm. & Bigelow) F.M. Knuth var. acanthocarpa buckhorn cholla
OPACA Opuntia acanthocarpa Engelm. & Bigelow var. acanthocarpa AZ (SR)
CYACC2 Cylindropuntia acanthocarpa (Engelm. & Bigelow) F.M. Knuth var. coloradensis (L.D. Benson) Pinkava Colorado buckhorn cholla
OPACC Opuntia acanthocarpa Engelm. & Bigelow var. coloradensis L.D. Benson AZ (SR)
CYACM Cylindropuntia acanthocarpa (Engelm. & Bigelow) F.M. Knuth var. major (Engelm. & Bigelow) Pinkava buckhorn cholla
OPACM Opuntia acanthocarpa Engelm. & Bigelow var. major (Engelm. & Bigelow) L.D. Benson AZ (SR)
CYACT Cylindropuntia acanthocarpa (Engelm. & Bigelow) F.M. Knuth var. thornberi (Thornb. & Bonker) Pinkava Thornber's buckhorn cholla
OPACT Opuntia acanthocarpa Engelm. & Bigelow var. thornberi (Thornb. & Bonker) L.D. Benson AZ (SR)
CYAR14 Cylindropuntia arbuscula (Engelm.) F.M. Knuth Arizona pencil cholla
OPAR2 Opuntia arbuscula Engelm. AZ (SR)
CYBI9 Cylindropuntia bigelovii (Engelm.) F.M. Knuth teddybear cholla
OPBI Opuntia bigelovii Engelm. AZ (SR)
CYEC3 Cylindropuntia echinocarpa (Engelm. & Bigelow) F.M. Knuth Wiggins' cholla
OPEC Opuntia echinocarpa Engelm. & Bigelow AZ (SR)
OPWI2 Opuntia wigginsii L.D. Benson AZ (SR)
CYFUF Cylindropuntia fulgida (Engelm.) F.M. Knuth var. fulgida jumping cholla
OPFUF Opuntia fulgida Engelm. var. fulgida AZ (SR)
CYFUM Cylindropuntia fulgida (Engelm.) F.M. Knuth var. mamillata (Schott ex Engelm.) Backeb. jumping cholla
OPFUM Opuntia fulgida Engelm. var. mamillata (Schott ex Engelm.) J.M. Coult. AZ (SR)
CYIMI Cylindropuntia imbricata (Haw.) F.M. Knuth var. imbricata tree cholla
OPIM Opuntia imbricata (Haw.) DC. AZ (SR)
CYKE4 Cylindropuntia ×kelvinensis (V.E. Grant & K.A. Grant) P.V. Heath [fulgida × spinosior]
OPKE Opuntia ×kelvinensis V.E. Grant & K.A. Grant AZ (SR)
CYLE8 Cylindropuntia leptocaulis (DC.) F.M. Knuth Christmas cactus
OPLE Opuntia leptocaulis DC. AZ (SR)
CYMU11 Cylindropuntia ×multigeniculata (Clokey) Backeb. (pro sp.) [echinocarpa × whipplei] Blue Diamond cholla
OPWHM Opuntia whipplei Engelm. & Bigelow var. multigeniculata (Clokey) L.D. Benson AZ (SR)
CYRA9 Cylindropuntia ramosissima (Engelm.) F.M. Knuth branched pencil cholla
OPRA Opuntia ramosissima Engelm. AZ (SR)
CYSP8 Cylindropuntia spinosior (Engelm.) F.M. Knuth walkingstick cactus
OPSP2 Opuntia spinosior (Engelm.) Toumey AZ (SR)
CYTE15 Cylindropuntia ×tetracantha (Toumey) F.M. Knuth (pro sp.) [acanthocarpa × leptocaulis] Tucson pricklypear
OPKLT Opuntia kleiniae DC. var. tetracantha (Toumey) W.T. Marshall AZ (SR)
CYVE3 Cylindropuntia versicolor (Engelm. ex J.M. Coult.) F.M. Knuth staghorn cholla
OPVE Opuntia versicolor Engelm. ex J.M. Coult. AZ (SR)
CYVI17 Cylindropuntia ×vivipara (Rose) F.M. Knuth (pro sp.) [arbuscula × versicolor]
OPVI4 Opuntia ×vivipara Rose (pro sp.) AZ (SR)
CYWH Cylindropuntia whipplei (Engelm. & Bigelow) F.M. Knuth Whipple cholla
OPWH Opuntia whipplei Engelm. & Bigelow AZ (SR)
CYPAP3 Cypripedium parviflorum Salisb. var. pubescens (Willd.) Knight greater yellow lady's slipper
CYCAP2 Cypripedium calceolus L. var. pubescens (Willd.) Correll AZ (HS), NM (E)
DAVI6 Dactylorhiza viridis (L.) R.M. Bateman, A.M. Pridgeon & M.W. Chase longbract frog orchid
COVI6 Coeloglossum viride (L.) Hartm. AZ (SR)
DATE4 Dalea tentaculoides Gentry Gentry's indigobush AZ (HS)
DAWH2 Dasylirion wheeleri S. Watson common sotol AZ (SR)
DICAP Dichelostemma capitatum (Benth.) Alph. Wood ssp. pauciflorum (Torr.) G. Keator bluedicks
DIPUP Dichelostemma pulchellum (Salisb.) A. Heller var. pauciflorum (Torr.) Hoover AZ (SR)
DOALM Dodecatheon alpinum (A. Gray) Greene ssp. majus H.J. Thomp. alpine shootingstar AZ (SR)
DODEE Dodecatheon dentatum Hook. ssp. ellisiae (Standl.) H.J. Thomp. Ellis' shootingstar AZ (SR)
DOPU Dodecatheon pulchellum (Raf.) Merr. darkthroat shootingstar AZ (SR)
DUCO Dudleya collomiae Rose ex Morton Gila County liveforever
DUSAC Dudleya saxosa (M.E. Jones) Britton & Rose ssp. collomiae (Rose ex Morton) Moran AZ (SR)
DUPUA2 Dudleya pulverulenta (Nutt.) Britton & Rose ssp. arizonica (Rose) Moran chalk dudleya AZ (SR)
ECFL Echeandia flavescens (Schult. & Schult. f.) Cruden Torrey's craglily AZ (SR)
ECHO Echinocactus horizonthalonius Lem. devilshead AZ (SR)
ECHON Echinocactus horizonthalonius Lem. var. nicholii L.D. Benson Nichol's echinocactus E AZ (HS)
ECPOP Echinocactus polycephalus Engelm. & Bigelow var. polycephalus cottontop cactus AZ (SR)
ECPOX Echinocactus polycephalus Engelm. & Bigelow var. xeranthemoides J.M. Coult. cottontop cactus AZ (SR)
ECBO2 Echinocereus bonkerae Thornb. & Bonker pinkflower hedgehog cactus
ECFAB Echinocereus fasciculatus (Engelm. ex B.D. Jacks.) L.D. Benson var. bonkerae (Thornb. & Bonker) L.D. Benson AZ (SR)
ECBO3 Echinocereus boyce-thompsonii Orcutt Boyce Thompson hedgehog cactus
ECFAB2 Echinocereus fasciculatus (Engelm. ex B.D. Jacks.) L.D. Benson var. boyce-thompsonii (Orcutt) L.D. Benson AZ (SR)
ECFEB2 Echinocereus fendleri (Engelm.) Sencke ex J.N. Haage var. boyce-thompsonii (Orcutt) L.D. Benson AZ (SR)
ECCOA Echinocereus coccineus Engelm. var. arizonicus (Rose ex Orcutt) D.J. Ferguson Arizona hedgehog cactus
ECTRA Echinocereus triglochidiatus Engelm. var. arizonicus (Rose ex Orcutt) L.D. Benson E AZ (HS)
ECTRN Echinocereus triglochidiatus Engelm. var. neomexicanus auct. non (Standl.) W.T. Marshall AZ (SR)
ECCOC Echinocereus coccineus Engelm. var. coccineus scarlet hedgehog cactus
ECTRM Echinocereus triglochidiatus Engelm. var. melanacanthus (Engelm.) L.D. Benson AZ (SR)
ECDA Echinocereus dasyacanthus Engelm. spiny hedgehog cactus
ECPEN Echinocereus pectinatus (Scheidw.) Engelm. var. neomexicanus (J.M. Coult.) L.D. Benson AZ (SR)
ECENA Echinocereus engelmannii (Parry ex Engelm.) Lem. var. acicularis L.D. Benson Engelmann's hedgehog cactus AZ (SR)
ECENA2 Echinocereus engelmannii (Parry ex Engelm.) Lem. var. armatus L.D. Benson Engelmann's hedgehog cactus AZ (SR)
ECENC Echinocereus engelmannii (Parry ex Engelm.) Lem. var. chrysocentrus (Engelm. & Bigelow) Rümpler Engelmann's hedgehog cactus AZ (SR)
ECENE Echinocereus engelmannii (Parry ex Engelm.) Lem. var. engelmannii Engelmann's hedgehog cactus AZ (SR)
ECENV Echinocereus engelmannii (Parry ex Engelm.) Lem. var. variegatus (Engelm. & Bigelow) Rümpler Engelmann's hedgehog cactus AZ (SR)
ECFA Echinocereus fasciculatus (Engelm. ex B.D. Jacks.) L.D. Benson pinkflower hedgehog cactus AZ (SR)
ECFEF3 Echinocereus fendleri (Engelm.) Sencke ex J.N. Haage ssp. fendleri pinkflower hedgehog cactus
ECFEF2 Echinocereus fendleri (Engelm.) Sencke ex J.N. Haage var. fendleri AZ (SR)
ECFEK Echinocereus fendleri (Engelm.) Sencke ex J.N. Haage var. kuenzleri (Castetter, Pierce & Schwerin) L.D. Benson E NM (E)
ECFER4 Echinocereus fendleri (Engelm.) Sencke ex J.N. Haage ssp. rectispinus (Peebles) N.P. Taylor pinkflower hedgehog cactus
ECFER Echinocereus fendleri (Engelm.) Sencke ex J.N. Haage var. rectispinus (Peebles) L.D. Benson AZ (SR)
ECLE2 Echinocereus ledingii Peebles Leding's hedgehog cactus AZ (SR)
ECMO Echinocereus mojavensis (Engelm. & Bigelow) Rümpler Mojave kingcup cactus
ECTRM2 Echinocereus triglochidiatus Engelm. var. mojavensis (Engelm. & Bigelow) L.D. Benson AZ (SR)
ECNI Echinocereus nicholii (L.D. Benson) Parfitt Nichol's hedgehog cactus AZ (SR)
ECPO6 Echinocereus polyacanthus Engelm. Mojave mound cactus AZ (SR)
ECPS Echinocereus pseudopectinatus (N.P. Taylor) N.P. Taylor devilthorn AZ (SR)
ECRI3 Echinocereus rigidissimus (Engelm.) hort ex F. Haage rainbow hedgehog cactus AZ (SR)
ECRO2 Echinocereus ×roetteri (Engelm.) Rümpler [coccineus × dasyacanthus] Lloyd's hedgehog cactus
ECLL Echinocereus ×lloydii Britton & Rose (pro sp.) NM (E)
ECTRT Echinocereus triglochidiatus Engelm. var. triglochidiatus kingcup cactus AZ (SR)
ECTRG Echinocereus triglochidiatus Engelm. var. gonacanthus (Engelm. & Bigelow) Boissev. AZ (SR)
ECER2 Echinomastus erectocentrus (J.M. Coult.) Britton & Rose redspine fishhook cactus AZ (SR)
ECERA Echinomastus erectocentrus (J.M. Coult.) Britton & Rose var. acunensis (W.T. Marshall) H. Bravo AZ (HS)
ECIN2 Echinomastus intertextus (Engelm.) Britton & Rose white fishhook cactus AZ (SR)
ECJO3 Echinomastus johnsonii (Parry ex Engelm.) E.M. Baxter Johnson's fishhook cactus AZ (SR)
EPGI Epipactis gigantea Douglas ex Hook. stream orchid AZ (SR)
EPMI2 Epithelantha micromeris (Engelm.) F.A.C. Weber ex Britton & Rose pingpong-ball cactus AZ (SR)
ERAL Eremocrinum albomarginatum (M.E. Jones) M.E. Jones lonely lily AZ (SR)
ERHE9 Erigeron hessii G.L. Nesom Hess' fleabane NM (E)
ERKU Erigeron kuschei Eastw. Chiricahua fleabane AZ (SR)
ERLE14 Erigeron lemmonii A. Gray Lemmon's fleabane AZ (HS)
ERMA8 Erigeron maguirei Cronquist Maguire's fleabane T
ERPI9 Erigeron piscaticus G.L. Nesom Fish Creek fleabane AZ (SR)
ERRH2 Erigeron rhizomatus Cronquist rhizome fleabane T NM (E)
ERCA11 Eriogonum capillare Small San Carlos buckwheat AZ (SR)
ERGY Eriogonum gypsophilum Woot. & Standl. Seven River Hills buckwheat T NM (E)
ERHEA4 Eriogonum heermannii Durand & Hilg. var. apachense (Reveal) Reveal Apache buckwheat
ERAP3 Eriogonum apachense Reveal AZ (SR)
ERMO9 Eriogonum mortonianum Reveal Fredonia buckwheat AZ (SR)
ERRI Eriogonum ripleyi J.T. Howell Fraziers Well buckwheat AZ (SR)
ERTHA2 Eriogonum thompsoniae S. Watson var. atwoodii Reveal Atwood's buckwheat AZ (SR)
ERRO7 Errazurizia rotundata (Woot.) Barneby roundleaf dunebroom AZ (SR)
ESAL2 Escobaria alversonii (J.M. Coult.) N.P. Taylor cushion foxtail cactus
COVIA Coryphantha vivipara (Nutt.) Britton & Rose var. alversonii (J.M. Coult.) L.D. Benson AZ (SR)
ESDU Escobaria duncanii (Hester) Backeb. Duncan's foxtail cactus NM (E)
ESMI3 Escobaria missouriensis (Sweet) D.R. Hunt Missouri foxtail cactus
COMI5 Coryphantha missouriensis (Sweet) Britton & Rose AZ (SR)
ESORO Escobaria orcuttii Boed. var. orcuttii Orcutt's foxtail cactus
COSTO Coryphantha strobiliformis (Poselg.) Moran var. orcuttii (Boed.) L.D. Benson AZ (SR)
ESOR2 Escobaria organensis (A.D. Zimmerman) Castetter, Pierce & Schwerin Organ Mountain foxtail cactus NM (E)
ESRO Escobaria robbinsiorum (W.H. Earle) D.R. Hunt Cochise foxtail cactus
CORO3 Coryphantha robbinsiorum (W.H. Earle) A.D. Zimmerman T AZ (HS)
ESSNL Escobaria sneedii Britton & Rose var. leei (Rose ex Boed.) D.R. Hunt Sneed's pincushion cactus NM (E)
COSNL Coryphantha sneedii (Britton & Rose) A. Berger var. leei (Rose ex Boed.) L.D. Benson T
ESSNS Escobaria sneedii Britton & Rose var. sneedii Sneed's pincushion cactus NM (E)
COSN Coryphantha sneedii (Britton & Rose) A. Berger E
ESTU Escobaria tuberculosa (Engelm.) Britton & Rose whitecolumn foxtail cactus
COST7 Coryphantha strobiliformis auct. non (Poselg.) Orcutt AZ (SR)
ESVI Escobaria villardii Castetter, Pierce & Schwerin Sacramento Mountain foxtail cactus NM (E)
ESVIA Escobaria vivipara (Nutt.) Buxbaum var. arizonica (Engelm.) D.R. Hunt Arizona spinystar
COVIA2 Coryphantha vivipara (Nutt.) Britton & Rose var. arizonica (Engelm.) W.T. Marshall AZ (SR)
ESVIB Escobaria vivipara (Nutt.) Buxbaum var. bisbeeana (Orcutt) D.R. Hunt Bisbee spinystar
COVIB Coryphantha vivipara (Nutt.) Britton & Rose var. bisbeeana (Orcutt) L.D. Benson AZ (SR)
ESVID Escobaria vivipara (Nutt.) Buxbaum var. deserti (Engelm.) D.R. Hunt desert spinystar
COVID Coryphantha vivipara (Nutt.) Britton & Rose var. deserti (Engelm.) W.T. Marshall AZ (SR)
ESVIR2 Escobaria vivipara (Nutt.) Buxbaum var. rosea (Clokey) D.R. Hunt spinystar
COVIR2 Coryphantha vivipara (Nutt.) Britton & Rose var. rosea (Clokey) L.D. Benson AZ (SR)
ESVIV Escobaria vivipara (Nutt.) Buxbaum var. vivipara spinystar
COMIM Coryphantha missouriensis (Sweet) Britton & Rose var. marstonii (Clover) L.D. Benson AZ (SR)
EUMA10 Euphorbia macropus (Klotzsch & Garcke) Boiss. Huachuca Mountain spurge
EUPL4 Euphorbia plummerae S. Watson, orth. var. AZ (SR)
FECYC Ferocactus cylindraceus (Engelm.) Orcutt var. cylindraceus California barrel cactus AZ (SR)
FECYL Ferocactus cylindraceus (Engelm.) Orcutt var. lecontei (Engelm.) H. Bravo Leconte's barrel cactus AZ (SR)
FEEA2 Ferocactus eastwoodiae (L.D. Benson) L.D. Benson California barrel cactus
FECYE Ferocactus cylindraceus (Engelm.) Orcutt var. eastwoodiae (L.D. Benson) N.P. Taylor AZ (SR)
FEEM Ferocactus emoryi (Engelm.) Orcutt Emory's barrel cactus AZ (SR)
FEWI Ferocactus wislizeni (Engelm.) Britton & Rose candy barrelcactus AZ (SR)
FLMA Flaveria macdougalii Theroux, Pinkava & Keil Mcdougall's yellowtops AZ (SR)
FOSP2 Fouquieria splendens Engelm. ocotillo AZ (SR)
FRCA6 Fremontodendron californicum (Torr.) Coville California flannelbush AZ (SR)
FRAT Fritillaria atropurpurea Nutt. spotted fritillary AZ (SR)
GEWI2 Gentianella wislizeni (Engelm.) J.M. Gillett Chiricahua Mountain dwarf gentian AZ (SR)
GLSU Glaucocarpum suffrutescens (Rollins) Rollins Uinta Basin waxfruit
SCSU2 Schoenocrambe suffrutescens (Rollins) S.L. Welsh & Chatterley E
GOOB2 Goodyera oblongifolia Raf. western rattlesnake plantain AZ (SR)
GORE2 Goodyera repens (L.) R. Br. lesser rattlesnake plantain AZ (SR)
GRBA3 Graptopetalum bartramii Rose Patagonia Mountain leatherpetal AZ (SR)
GRRU Graptopetalum rusbyi (Greene) Rose San Francisco River leatherpetal AZ (SR)
GRCL Grusonia clavata (Engelm.) H. Rob. club cholla
OPCL Opuntia clavata Engelm. AZ (SR)
GRKU Grusonia kunzei (Rose) Pinkava devil's cholla
OPKU Opuntia kunzei Rose AZ (SR)
GRPA11 Grusonia parishii (Orcutt) Pinkava matted cholla
OPEM2 Opuntia emoryi auct. non Engelm. AZ (SR)
OPPA Opuntia parishii Orcutt AZ (SR)
GRPU3 Grusonia pulchella (Engelm.) H. Rob. sagebrush cholla
OPPU Opuntia pulchella Engelm. AZ (SR)
HEDI Hedeoma diffusa Greene spreading false pennyroyal AZ (SR)
HETO2 Hedeoma todsenii Irving Todsen's false pennyroyal E NM (E)
HEPA2 Helianthus paradoxus Heiser paradox sunflower T NM (E)
HEUN2 Hesperocallis undulata A. Gray desert lily AZ (SR)
HEWH Hesperoyucca whipplei (Torr.) Baker chaparral yucca
YUWHW Yucca whipplei Torr. var. whipplei AZ (SR)
HENI2 Hexalectris nitida L.O. Williams Glass Mountain crested coralroot NM (E)
HESP3 Hexalectris spicata (Walter) Barnhart spiked crested coralroot AZ (SR), NM (E)
HEWA Hexalectris warnockii Ames & Correll Texas crested coralroot AZ (HS)
ILRIR Iliamna rivularis (Douglas ex Hook.) Greene var. rivularis streambank wild hollyhock
ILCO4 Iliamna corei Sherff E
IPSA2 Ipomopsis sancti-spiritus Wilken & Fletcher Holy Ghost ipomopsis E NM (E)
IVKI Ivesia kingii S. Watson King's mousetail
IVKIE Ivesia kingii S. Watson var. eremica (Coville) Ertter T
LEBA Lepidium barnebyanum Reveal Barneby's pepperweed E
LEBU2 Lepidospartum burgessii B.L. Turner Burgess' broomsage NM (E)
LERU4 Lesquerella rubicundula Rollins tum bladderpod
LETU Lesquerella tumulosa (Barneby) Reveal E
LISCR Lilaeopsis schaffneriana (Schltdl.) J.M. Coult. & Rose var. recurva (A.W. Hill) Affolter Schaffner's grasswort E AZ (HS)
LIPA2 Lilium parryi S. Watson lemon lily AZ (SR)
LIPH Lilium philadelphicum L. wood lily NM (E)
LIPHA Lilium philadelphicum L. var. andinum (Nutt.) Ker Gawl. wood lily NM (E)
LIUM2 Lilium umbellatum Pursh AZ (SR)
LICO5 Listera convallarioides (Sw.) Nutt. ex Elliot broadlipped twayblade AZ (SR)
LOCA2 Lobelia cardinalis L. cardinalflower
LOCAG2 Lobelia cardinalis L. ssp. graminea (Lam.) McVaugh AZ (SR)
LOFE Lobelia fenestralis Cav. fringeleaf lobelia AZ (SR)
LOLAA Lobelia laxiflora Kunth var. angustifolia A. DC. Sierra Madre lobelia AZ (SR)
LYWA Lysiloma watsonii Rose littleleaf false tamarind
LYMIT Lysiloma microphyllum Benth. var. thornberi (Britton & Rose) Isely AZ (SR)
MASU18 Macroptilium supinum (Wiggins & Rollins) A. Delgado supine bean
PHSU11 Phaseolus supinus Wiggins & Rollins AZ (SR)
MARAA Maianthemum racemosum (L.) Link ssp. amplexicaule (Nutt.) LaFrankie feathery false lily of the valley AZ (SR)
MARAR Maianthemum racemosum (L.) Link ssp. racemosum feathery false lily of the valley AZ (SR)
MAST4 Maianthemum stellatum (L.) Link starry false lily of the valley AZ (SR)
MACO4 Malaxis corymbosa (S. Watson) Kuntze Huachuca Mountain adder's-mouth orchid AZ (SR)
MAEH Malaxis ehrenbergii (Rchb. f.) Kuntze [excluded] Ehrenberg's adder's-mouth orchid AZ (SR)
MASO8 Malaxis soulei L.O. Williams Chiricahua adder's-mouth orchid
MAMA13 Malaxis macrostachya auct. non (Lex.) Kuntze AZ (SR)
MATE2 Malaxis tenuis (S. Watson) Ames Arizona adder's-mouth orchid AZ (SR)
MABA9 Mammillaria barbata Engelm. greenflower nipple cactus
MAVI6 Mammillaria viridiflora (Britton & Rose) Boed. AZ (SR)
MAGR9 Mammillaria grahamii Engelm. Graham's nipple cactus
MAGRG4 Mammillaria grahamii Engelm. var. grahamii AZ (SR)
MAGRO Mammillaria grahamii Engelm. var. oliviae (Orcutt) L.D. Benson AZ (SR)
MAMI2 Mammillaria microcarpa Engelm. AZ (SR)
MAHEH2 Mammillaria heyderi Muehlenpf. var. heyderi little nipple cactus
MAGUA Mammillaria gummifera Engelm. var. applanata (Engelm.) L.D. Benson AZ (SR)
MAHEM Mammillaria heyderi Muehlenpf. var. macdougalii (Rose) L.D. Benson Macdougal's nipple cactus
MAGU Mammillaria gummifera Engelm. p.p. AZ (SR)
MAGUM Mammillaria gummifera Engelm. var. macdougalii (Rose) L.D. Benson AZ (SR)
MALA2 Mammillaria lasiacantha Engelm. lacespine nipple cactus AZ (SR)
MAMA6 Mammillaria mainiae K. Brandegee counterclockwise nipple cactus AZ (SR)
MAME6 Mammillaria meiacantha Engelm. little nipple cactus
MAHEM2 Mammillaria heyderi Muehlenpf. var. meiacantha (Engelm.) L.D. Benson little nipple cactus AZ (SR)
MATE4 Mammillaria tetrancistra Engelm. common fishhook cactus AZ (SR)
MATH Mammillaria thornberi Orcutt Thornber's nipple cactus AZ (SR)
MAWRW Mammillaria wrightii Engelm. var. wilcoxii (Toumey ex K. Schum.) W.T. Marshall Wilcox's nipple cactus AZ (SR), NM (E)
MAWRW2 Mammillaria wrightii Engelm. var. wrightii Wright's nipple cactus AZ (SR)
MIBI2 Milla biflora Cav. Mexican star AZ (SR)
NOBI Nolina bigelovii (Torr.) S. Watson Bigelow's nolina AZ (SR, HR)
NOMI Nolina microcarpa S. Watson sacahuista AZ (SR, HR)
NOPA Nolina parryi S. Watson Parry's beargrass AZ (SR, HR)
NOTE Nolina texana S. Watson Texas sacahuista
NOTEC Nolina texana S. Watson var. compacta (Trel.) I.M. Johnst. AZ (SR, HR)
NOTE2 Nothoscordum texanum M.E. Jones Texas false garlic AZ (SR)
OLTE Olneya tesota A. Gray desert ironwood AZ (SA, HR)
OPAU2 Opuntia aurea E.M. Baxter golden pricklypear
OPBAA Opuntia basilaris Engelm. & Bigelow var. aurea (E.M. Baxter) W.T. Marshall AZ (SR)
OPBAB2 Opuntia basilaris Engelm. & Bigelow var. basilaris beavertail pricklypear AZ (SR)
OPBAL Opuntia basilaris Engelm. & Bigelow var. longiareolata (Clover & Jotter) L.D. Benson beavertail pricklypear AZ (SR)
OPBAT Opuntia basilaris Engelm. & Bigelow var. treleasei (J.M. Coult.) J.M. Coult. ex Toumey Trelease's beavertail pricklypear AZ (SR)
OPCH Opuntia chlorotica Engelm. & Bigelow dollarjoint pricklypear AZ (SR)
OPCU2 Opuntia ×curvospina Griffiths (pro sp.) [chlorotica × phaeacantha] searchlight pricklypear AZ (SR)
OPENE Opuntia engelmannii Salm-Dyck ex Engelm. var. engelmannii cactus apple AZ (SR)
OPENF Opuntia engelmannii Salm-Dyck ex Engelm. var. flavispina (L.D. Benson) Parfitt & Pinkava cactus apple AZ (SR)
OPFR Opuntia fragilis (Nutt.) Haw. brittle pricklypear
OPFRB Opuntia fragilis (Nutt.) Haw. var. brachyarthra (Engelm. & Bigelow) J.M. Coult. AZ (SR)
OPFRF Opuntia fragilis (Nutt.) Haw. var. fragilis AZ (SR)
OPLA2 Opuntia laevis J.M. Coult. tulip pricklypear
OPPHL Opuntia phaeacantha Engelm. var. laevis (J.M. Coult.) L.D. Benson AZ (SR)
OPMA8 Opuntia macrocentra Engelm. purple pricklypear AZ (SR)
OPMAM3 Opuntia macrorhiza Engelm. var. macrorhiza twistspine pricklypear AZ (SR)
OPMAP Opuntia macrorhiza Engelm. var. pottsii (Salm-Dyck) L.D. Benson twistspine pricklypear AZ (SR)
OPMA3 Opuntia martiniana (L.D. Benson) Parfitt seashore cactus AZ (SR)
OPPH Opuntia phaeacantha Engelm. tulip pricklypear
OPCA2 Opuntia canada Griffiths AZ (SR)
OPPHM Opuntia phaeacantha Engelm. var. major Engelm. AZ (SR)
OPPHP Opuntia phaeacantha Engelm. var. phaeacantha AZ (SR)
OPPHS2 Opuntia phaeacantha Engelm. var. superbospina (Griffiths) L.D. Benson AZ (SR)
OPPOA Opuntia polyacantha Haw. var. arenaria (Engelm.) Parfitt El Paso pricklypear
OPAR3 Opuntia arenaria Engelm. NM (E)
OPPOE Opuntia polyacantha Haw. var. erinacea (Engelm. & J.M. Bigelow ex Engelm.) Parfitt grizzlybear pricklypear
OPERE Opuntia erinacea Engelm. & Bigelow ex Engelm. var. erinacea AZ (SR)
OPPOH Opuntia polyacantha Haw. var. hystricina (Engelm. & J.M. Bigelow) Parfitt grizzlybear pricklypear
OPERH Opuntia erinacea Engelm. & Bigelow ex Engelm. var. hystricina (Engelm. & Bigelow) L.D. Benson AZ (SR)
OPPON Opuntia polyacantha Haw. var. nicholii (L.D. Benson) Parfitt Navajo Bridge pricklypear
OPNI Opuntia nicholii L.D. Benson AZ (SR)
OPPOP Opuntia polyacantha Haw. var. polyacantha hairspine pricklypear
OPERU Opuntia erinacea Engelm. & Bigelow ex Engelm. var. ursina (F.A.C. Weber) Parish AZ (SR)
OPERU2 Opuntia erinacea Engelm. & Bigelow ex Engelm. var. utahensis (Engelm.) L.D. Benson AZ (SR)
OPPOJ Opuntia polyacantha Haw. var. juniperina (Britton & Rose) L.D. Benson AZ (SR)
OPPOR Opuntia polyacantha Haw. var. rufispina (Engelm. & Bigelow ex Engelm.) L.D. Benson AZ (SR)
OPPOT Opuntia polyacantha Haw. var. trichophora (Engelm. & Bigelow) J.M. Coult. AZ (SR)
OPSA Opuntia santa-rita (Griffiths & Hare) Rose Santa Rita pricklypear AZ (SR)
OPVA4 Opuntia ×vaseyi (J.M. Coult.) Britton & Rose [littoralis × phaeacantha] Vasey's coastal pricklypear
OPLIV Opuntia littoralis (Engelm.) Cockerell var. vaseyi (J.M. Coult.) L.D. Benson & Walkington AZ (SR)
PASC14 Pachycereus schottii (Engelm.) D.R. Hunt senita cactus
LOSC5 Lophocereus schottii (Engelm.) Britton & Rose AZ (SR)
PAFR6 Packera franciscana (Greene) W.A. Weber & Á. Löve San Francisco Peaks ragwort
SEFR2 Senecio franciscanus Greene T AZ (HS)
PAQU7 Packera quaerens (Greene) W.A. Weber & Á. Löve Mogollon Mountain ragwort
SEQU2 Senecio quaerens Greene AZ (SR)
PAFL6 Parkinsonia florida (Benth. ex A. Gray) S. Watson blue paloverde
CEFL6 Cercidium floridum Benth. ex A. Gray AZ (SA)
PAMI5 Parkinsonia microphylla Torr. yellow paloverde
CEMI6 Cercidium microphyllum (Torr.) Rose & I.M. Johnst. AZ (SA)
PEBR2 Pediocactus bradyi L.D. Benson Brady's pincushion cactus E AZ (HS)
PEDE17 Pediocactus despainii S.L. Welsh & Goodrich Despain's pincushion cactus E
PEKN2 Pediocactus knowltonii L.D. Benson Knowlton's miniature cactus E NM (E)
PEPA5 Pediocactus paradinei B.W. Benson Kaibab pincushion cactus AZ (HS)
PEPE8 Pediocactus peeblesianus (Croizat) L.D. Benson Navajo pincushion cactus
PEPEF Pediocactus peeblesianus (Croizat) L.D. Benson var. fickeiseniae L.D. Benson AZ (HS)
PEPEP2 Pediocactus peeblesianus (Croizat) L.D. Benson var. peeblesianus E AZ (HS)
PESI4 Pediocactus sileri (Engelm. ex J.M. Coult.) L.D. Benson T AZ (HS)
PESIS Pediocactus simpsonii (Engelm.) Britton & Rose var. simpsonii mountain ball cactus AZ (SR)
PEWI2 Pediocactus winkleri K.D. Heil Winkler's pincushion cactus T
PEGR3 Peniocereus greggii (Engelm.) Britton & Rose nightblooming cereus NM (E)
PEGRG Peniocereus greggii (Engelm.) Britton & Rose var. greggii nightblooming cereus AZ (SR), NM (E)
PEGRT Peniocereus greggii (Engelm.) Britton & Rose var. transmontanus (Engelm.) Backeb. nightblooming cereus AZ (SR)
PEAL3 Penstemon albomarginatus M.E. Jones whitemargin beardtongue AZ (SR)
PEBIR Penstemon bicolor (Brandegee) Clokey & D.D. Keck ssp. roseus Clokey & D.D. Keck pinto beardtongue AZ (SR)
PECL5 Penstemon clutei A. Nelson Sunset Crater beardtongue AZ (SR)
PEDI6 Penstemon discolor D.D. Keck Cataiina beardtongue AZ (HS)
PEDI10 Penstemon distans N.H. Holmgren Mt. Tumbull beardtongue AZ (SR)
PELIM Penstemon linarioides A. Gray ssp. maguirei D.D. Keck Maguire's penstemon AZ (SR)
PEAJ Perityle ajoensis T.K. Todsen Ajo rockdaisy AZ (SR)
PECO17 Perityle cochisensis (Niles) A. Powell Cochise rockdaisy AZ (SR)
PHAR2 Phacelia argillacea N.D. Atwood Attwood's phacelia E
PHHU3 Phemeranthus humilis (Greene) Kiger Pinos Altos fameflower
TAHU2 Talinum humile Greene AZ (SR)
PHPA31 Phemeranthus parvulus (Rose & Standl.) D.J. Ferguson & T.M. Price tepic flameflower
PHMA29 Phemeranthus marginatus (Greene) Kiger tepic fameflower
TAMA Talinum marginatum Greene AZ (SR)
PHVA8 Phemeranthus validulus (Greene) Kiger Tusayan fameflower
TAVA Talinum validulum Greene AZ (SR)
PHAR5 Pholisma arenarium Nutt. ex Hook. desert christmas tree AZ (HS)
PHSO Pholisma sonorae (Torr. ex A. Gray) Yatsk. sandfood AZ (HS)
PIAR Pinus aristata Engelm. bristlecone pine AZ (SR)
PLGR6 Platanthera gracilis Lindl. lax-flowered green orchid
PLHYG Platanthera hyperborea (L.) Lindl. var. gracilis (Lindl.) Luer AZ (SR)
PLHY2 Platanthera hyperborea (L.) Lindl. northern green orchid
PLHYH2 Platanthera hyperborea (L.) Lindl. var. hyperborea AZ (SR)
PLLI3 Platanthera limosa Lindl. Thurber's bog orchid AZ (SR)
PLSPE Platanthera sparsiflora (S. Watson) Schltr. var. ensifolia (Rydb.) Luer sparse-flowered bog orchid AZ (SR)
PLSPS Platanthera sparsiflora (S. Watson) Schltr. var. sparsiflora sparse-flowered bog orchid AZ (SR)
PLST4 Platanthera stricta Lindl. slender bog orchid AZ (SR)
PORIM Polygala rimulicola Steyerm. var. mescalerorum T. Wendt & T.K. Todsen Mescalero milkwort NM (E)
POCO6 Polygonatum cobrense (Woot. & Standl.) R.R. Gates McKittrick's Solomon's seal AZ (SR)
PRCUM Primula cusickiana (A. Gray) A. Gray var. maguirei (L.O. Williams) N.H. Holmgren & S. Kelso Maguire's primrose
PRMA7 Primula maguirei L.O. Williams T
PRRU Primula rusbyi Greene Rusby's primrose AZ (SR)
PRSP2 Primula specuicola Rydb. cavedwelling primrose AZ (SR)
PRHU Primula hunnewellii Fernald AZ (SR)
PRTR4 Prosartes trachycarpa S. Watson roughfruit fairybells
DITR2 Disporum trachycarpum (S. Watson) Benth. & Hook. f. AZ (SR)
DITRS Disporum trachycarpum (S. Watson) Benth. & Hook. f. var. subglabrum E.H. Kelso AZ (SR)
PRGLG Prosopis glandulosa Torr. var. glandulosa honey mesquite AZ (SA, HR)
PRGLT Prosopis glandulosa Torr. var. torreyana (L.D. Benson) M.C. Johnst. western honey mesquite AZ (SA, HR)
PRPU Prosopis pubescens Benth. screwbean mesquite AZ (SA, HR)
PRVE Prosopis velutina Woot. velvet mesquite AZ (SA, HR)
PSNU Psilotum nudum (L.) P. Beauv. whisk fern AZ (HS)
PSSP3 Psorothamnus spinosus (A. Gray) Barneby smoketree AZ (SA)
PUPA Puccinellia parishii Hitchc. bog alkaligrass AZ (HS), NM (E)
PUSU2 Purshia ×subintegra (Kearney) Henrickson [pinkavae × stansburiana] E AZ (HS)
RAAE Ranunculus aestivalis (L.D. Benson) Van Buren & Harper fall buttercup
RAACA Ranunculus acriformis A. Gray var. aestivalis L.D. Benson E
RHRH4 Rhodiola rhodantha (A. Gray) H. Jacobsen redpod stonecrop
SERH Sedum rhodanthum A. Gray AZ (SR)
RHKE Rhus kearneyi F.A. Barkley Kearney's sumac AZ (SR)
ROSTA Rosa stellata Woot. ssp. abyssa A. Phillips desert rose AZ (SR)
RUOR3 Rumex orthoneurus Rech. f. Chiricahua Mountain dock AZ (HS)
SCAR8 Schiedeella arizonica P.M. Brown parasitic lady's tresses
SPPA4 Spiranthes parasitica auct. non A. Rich. & Galeotti AZ (SR)
SCAR5 Schoenocrambe argillacea (S.L. Welsh & N.D. Atwood) Rollins Uinta Basin plainsmustard T
SCBA80 Schoenocrambe barnebyi (S.L. Welsh & N.D. Atwood) Rollins Syes Butte plainsmustard E
SCBR12 Sclerocactus brevispinus K.D. Heil & J.M. Porter Pariette cactus T
SCME4 Sclerocactus mesae-verdae (Boissev. & C. Davidson) L.D. Benson Mesa Verde fishhook cactus T NM (E)
SCPA10 Sclerocactus papyracanthus (Engelm.) N.P. Taylor paperspine fishhook cactus
PEPA20 Pediocactus papyracanthus (Engelm.) L.D. Benson AZ (SR)
SCPA9 Sclerocactus parviflorus Clover & Jotter smallflower fishhook cactus AZ (SR)
SCPAI2 Sclerocactus parviflorus Clover & Jotter ssp. intermedius (Peebles) K.D. Heil & J.M. Porter intermediate fishhook cactus
SCPAI Sclerocactus parviflorus Clover & Jotter var. intermedius (Peebles) Woodruff & L.D. Benson AZ (SR)
SCPAP Sclerocactus parviflorus Clover & Jotter ssp. parviflorus smallflower fishhook cactus
SCCLB Sclerocactus cloveriae K.D. Heil & J.M. Porter ssp. brackii K.D. Heil & J.M. Porter NM (E)
SCPU6 Sclerocactus pubispinus (Engelm.) L.D. Benson Great Basin fishhook cactus AZ (SR)
SCSI3 Sclerocactus sileri (L.D. Benson) K.D. Heil & J.M. Porter Siler's pincushion cactus
SCSP2 Sclerocactus spinosior (Engelm.) Woodruff & L.D. Benson desert valley fishhook cactus AZ (SR)
SCWE Sclerocactus wetlandicus Hochstätter Uinta Basin hookless cactus T
SCWH Sclerocactus whipplei (Engelm. & Bigelow) Britton & Rose Whipple's fishhook cactus AZ (SR)
SCWR Sclerocactus wrightiae L.D. Benson Wright's fishhook cactus E
SEBI9 Sebastiania bilocularis S. Watson arrow poision plant
SABI4 Sapium biloculare (S. Watson) Pax AZ (SR)
SECO Sedum cockerellii Britton Cockerell's stonecrop AZ (SR)
SEGR Sedum griffithsii Rose AZ (SR)
SELA Sedum lanceolatum Torr. spearleaf stonecrop AZ (SR)
SEST Sedum stelliforme S. Watson Huachuca Mountain stonecrop AZ (SR)
SEMUH Senecio multidentatus Sch. Bip. ex Hemsl. var. huachucanus (A. Gray) T.M. Barkley Huachuca Mountain ragwort
SEHU Senecio huachucanus A. Gray AZ (HS)
SPDE6 Spiranthes delitescens Sheviak reclusive lady's tresses E AZ (HS)
SPDI6 Spiranthes diluvialis Sheviak Ute lady's tresses T
SPMA5 Spiranthes magnicamporum Sheviak Great Plains lady's tresses NM (E)
SPRO Spiranthes romanzoffiana Cham. hooded lady's tresses AZ (SR)
STTH3 Stenocereus thurberi (Engelm.) Buxbaum organpipe cactus AZ (SR)
STMI14 Stenorrhynchos michuacanum (Llave & Lex.) Schltr. Michuacan lady orchid
SPMI2 Spiranthes michuacana (Llave & Lex.) Hemsl. AZ (SR)
STAM2 Streptopus amplexifolius (L.) DC. claspleaf twistedstalk AZ (SR)
TOAP Townsendia aprica S.L. Welsh & Reveal Last Chance Townsend daisy T
TRMI3 Trichostema micranthum A. Gray smallflower bluecurls AZ (SR)
TRLE4 Triteleia lemmoniae (S. Watson) Greene Oak Creek triteleia AZ (SR)
TRPA9 Triteleiopsis palmeri (S. Watson) Hoover Palmer's Bajalily AZ (SR)
TUMA Tumamoca macdougalii Rose Tumamoc globeberry AZ (SR)
VACAP Vauquelinia californica (Torr.) Sarg. ssp. pauciflora (Standl.) Hess & Henrickson Arizona rosewood
VAPA8 Vauquelinia pauciflora Standl. AZ (SR)
VECA2 Veratrum californicum Durand California false hellebore AZ (SR)
WAFI Washingtonia filifera (Linden ex André) H. Wendl. California fan palm AZ (SR)
YUANA2 Yucca angustissima Engelm. ex Trel. var. angustissima narrowleaf yucca AZ (SR)
YUANK Yucca angustissima Engelm. ex Trel. var. kanabensis (McKelvey) Reveal Kanab yucca AZ (SR)
YUBA Yucca baccata Torr. banana yucca
YUBAB Yucca baccata Torr. var. baccata AZ (SR, HR)
YUBAV Yucca baccata Torr. var. vespertina McKelvey AZ (SR)
YUBAI Yucca baileyi Woot. & Standl. var. intermedia (McKelvey) Reveal intermediate yucca AZ (SR)
YUBRB Yucca brevifolia Engelm. var. brevifolia Joshua tree AZ (SR)
YUBRJ Yucca brevifolia Engelm. var. jaegeriana McKelvey Jaeger's Joshua tree AZ (SR)
YUEL Yucca elata (Engelm.) Engelm. soaptree yucca
YUELE Yucca elata (Engelm.) Engelm. var. elata AZ (SR)
YUELU Yucca elata (Engelm.) Engelm. var. utahensis (McKelvey) Reveal AZ (SR)
YUELV Yucca elata (Engelm.) Engelm. var. verdiensis (McKelvey) Reveal AZ (SR)
YUHA Yucca harrimaniae Trel. Spanish bayonet AZ (SR)
YUSC2 Yucca schidigera Roezl ex Ortgies Mojave yucca AZ (SR, HR)
YUSC Yucca ×schottii Engelm. (pro sp.) [baccata × elata] Schott's yucca AZ (SR)
YUAR Yucca arizonica McKelvey AZ (SR)
YUTH2 Yucca thornberi McKelvey AZ (SR)
ZELO Zephyranthes longifolia Hemsl. copper zephyrlily AZ (SR)
ZIEL2 Zigadenus elegans Pursh mountain deathcamas AZ (SR)
ZIPA2 Zigadenus paniculatus (Nutt.) S. Watson foothill deathcamas AZ (SR)
ZIVI Zigadenus virescens (Kunth) J.F. Macbr. green deathcamas AZ (SR)
 
†CodeProtected Status
EEndangered
HSHighly Safeguarded
SASalvage Assessed
SRSalvage restricted
TThreatened
 

 

Time Generated: 08/17/2019 05:06 PM CDT