Plant list used by the Jornada LTER

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Species Plant Checklist for the NSF/LTER Jornada Sites * List updated September 13, 2010

Scientific/Common_Names @ Code$ Habit %Form& Hbtat# Phnlgy? Path+ STAT< REFER! Voucher=
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Abutilon malacum Wats. (Malv.) ABMA P FORB BF SU C3 NAT CJ1040 S-1950
Indian-Mallow                  
Acacia constricta Benth. (Legum.) ACCO P SHRUB BF SP C3 NAT CJ 772  
White thorn                  
Acacia neovernicosa Isley (Legum.) ACNE P SHRUB BF SP C3 NAT CJ 772  
Resin-leaf white thorn                  
Acalypha neomexicana Muell. Arg. ACNM A FORB BS SU . NAT CJ 945  
(Euph.) Three-seeded mercury                  
Acanthochiton wrightii Torr. ACWR A FORB MR SU . . CJ 562  
(Amaranth.) Green stripe                  
Allionia choisyi Standley ALCH P FORB GB SU . NAT    
Allionia incarnata L (Nyct.) ALIN P FORB BF SU C4 NAT CJ 577  
Umbrella-wort                  
Allium macropetalum Rydb. (Lil.) ALMA P FORB BF SP C3 NAT CJ 389 S-2220
Wild onion                  
Aloysia wrightii (Gray) Heller ALWR P SHRUB MS SP C3 NAT CJ1334  
(Verbenac.) Oreganillo Bee-Brush                  
Amaranthus blitoides Wats. AMBL A FORB PC SU C4 NAT CJ 560 S-2371
(Amaranth.) Prostrate pigweed                  
Amaranthus crassipes Schlect. AMCR A FORB PS SU . .    
Amaranthus fimbriatus (Torr.) Wats. AMFI A FORB BS SU C4 NAT CJ 558  
(Amaranth.) Fringed amaranth                  
Amaranthus palmeri Wats. (Amaranth.) AMPA A FORB PC SU C4 NAT CJ 555 S-2370
Pigweed                  
Amaranthus pubescens (Uline & Bray) AMPU A FORB PC SU C4 NAT CJ 560 S-2365
Rydb. (Amaranth.) Pigweed                  
Ambrosia acanthicarpa Hook. (Comp.) AMAC A FORB MW,PT SU . NAT CJ1632 P-315
Bur ragweed                  
Ammocodon chenopodioides (Gray) AMCH P FORB BS SU C4 NAT CJ 587 S-2156
Standl. (Nyct.) Goosefoot moonpod                  
Amsonia arenaria Standl. (Apocyn.) AMAR P FORB . SP . NAT CJ1214  
Sand bluestar                  
Anoda cristata (L.) Schlecht (Malv.) ANCR A FORB GS SU . NAT CJ1054  
Spurred anoda                  
Aphanostephus ramosissimus DC (Comp.) APRA A FORB BF SP C3 NAT CJ1613  
Lazy daisy                  
Apodanthera undulata Gray. (Cucurb.) APUN P FORB BF SU . NAT CJ1510  
Aristida adscensionis L (Gram.) ARAD A GRASS BF SU C4 NAT KA  51 S-2358
Six-weeks Three-awn                  
Aristida glauca (Nees) Walp. ARNE                
(= A. purpurea var. nealleyi)                  
Aristida hamulosa Henr. ARHA                
(= A. ternipes var. hamulosa)                  
Aristida havardii Vasey (Gram.) ARVA P GRASS . SU C4 NAT KA  53  
Aristida longiseta Steud. ARLO                
(= A. purpurea var. Longiseta)                  
Aristida pansa Woot. & Standl. var. ARDI P GRASS . SU C4 NAT KA  55  
dissita (I.M. Johnston) Beetle                  
(Gram.)                  
Aristida pansa Woot. & Standl. var. ARPA P GRASS . SP-SU C4 NAT KA  55  
pansa (I.M. Johnston) Beetle                  
(Gram.) Wooton's Threeawn                  
Aristida purpurea Nutt. var. ARLO P GRASS BF SP-SU C4 NAT KA  56 S-2252
longiseta (Steud.) Vasey                  
(=Aristida longiseta)                  
(Gram.) Red threeawn  (may                  
include some A. purpurea Nutt.)                  
Aristida purpurea Nutt. var. ARNE P GRASS BF SP-SU C4 NAT KA  56  
nealleyi (Vasey) Allred                  
(=Aristida glauca)                  
(Gram.) Reverchon threeawn                  
(lumped with A. wrightii for                  
analysis)                  
Aristida purpurea Nutt. Var. perplexa ARPE P GRASS GX SP-SU C4 NAT KA  
Allread & Valdes (Gram.) Jornada                  
threeawn                  
Aristida purpurea Nutt. var. purpurea ARPU P GRASS BF SP C4 NAT KA  55  
(Gram.) Purple threeawn  (lumped                  
with A. longiseta for analysis)                  
Aristida purpurea Nutt. var. wrightii ARWR P GRASS BF SU C4 NAT KA  57  
(Nash) Allred                  
(=Aristida wrightii) (Gram.)                  
Wright's threeawn  (may include                  
some A. glauca (Ness) Walp.)                  
Aristida ternipes Cav. var. hamulosa ARHA P GRASS BF SU C4 NAT KA  54  
(Herrard) Trent                  
(=Aristida hamulosa) (Gram.)                  
Poverty threeawn                  
Aristida ternipes Cav. var. ternipes ARTE P GRASS BF SU C4 NAT KA  52  
(Gram.) Spider grass                  
Aristida wrightii Nash. (Gram.) ARWR                
(= A. purpurea var. wrightii)                  
Artemisia glauca Pall. (Comp.) ARGA P FORB   SU C3 NAT CJ1707  
Artemisia ludoviciana Nutt. (Comp.) ARLU P S-SHR MS SU C3 NAT CJ1706  
Louisiana White Sage                  
Asclepias brachystephana Engelm. ASBR P FORB BS SP-SU C3 NAT CJ1232 S-2289
(Asclep.) Milkweed                  
Asclepias nyctaginifolia Gray. ASNY P FORB TW SP-SU . NAT KP662 P-376
Asclepias subverticillata (Gray) ASSU P FORB PS SP-SU C3 NAT CJ1231  
Vail. (Asclep.)                  
Astragalus allochrous Gray (Legum.) ASAL B FORB BF SP C3 NAT CJ 847 S-2210
Locoweed                  
Astragalus crassicarpus Nutt. ASCR P FORB GI SP . NAT CT 845  
(Legum.) Ground plum                  
Astragalus mollissimus Torr. var. ASMO P FORB BF SP C3 NAT CJ 844  
Bigelovii (Gray) B.L. Turner                  
(Legum.) Woolly locoweed                  
Astragalus nuttallianus A. DC var. ASNU A FORB BF SP C3 NAT CJ 849 S-2224
austrinus (Small) Rydb. (Legum.)                  
Astragalus tephrodes Gray var. ASTE P FORB BF SP-SU C3 NAT KP 459 S-2231
tephrodes (Legum.)                  
Astragalus wootonii Sheld. (Legum.) ASWO A FORB BF SP C3 NAT CJ 847  
Locoweed, garbancillo                  
Atriplex canescens (Pursh) Nutt. ATCA P SHRUB BS SP-SU C4 NAT CJ 543  
(Cheno.) Four-wing saltbush                  
Avena fatua L. (Gramin.) AVFA A GRASS . . . INTRO KA  59  
Bahia absinthifolia Benth. (Comp.) BAAB P FORB BF SU C3 NAT CJ1699 S-2151
Bahia biternata Gray (Comp.) BABI A FORB BF SU C3 NAT CJ1699 S-2391
Bahia pedata Gray (Comp.) BAPE A FORB BF SU C3 NAT CJ1698 S-2390
Baileya multiradiata Harv. & Gray BAMU P FORB BF SU C3 NAT CJ1701 S-2253
(Comp.) Desert marigold                  
Berlandiera lyrata Torr. (Comp.) BELY P FORB BS SP C3 NAT CJ1624 W-s.n.
Greeneyes                  
Boerhavia coccinea Mill. (Nyct.) BOCO P FORB BF SU C4 NAT CJ 595 S-1943
Scarlet spiderling                  
Boerhavia gracillima Heimerl. BOGL P FORB BF SU C4 NAT CJ 595 S-1949
(Nyct.) Bush-Spiderling                  
Boerhavia intermedia M.E. Jones BOIN A FORB BF SU C4 NAT CJ 596 S-2366
(Nyct.) Umbel-Spiderling                  
Boerhavia spicata Choisy (Nyct.) BOSP A FORB BF SU C4 NAT CJ 597 S-1947
Spiked-Spiderling                  
Boerhavia wrightii Gray  (Nyct.) BOWR A FORB BF SU C4 NAT CJ 597  
Spiked-Spiderling                  
Bothriochloa ischaemum (L.) Keng BOIS P GRASS . SU . INTRO KA  61  
(Gramin.) Yellow bluestem                  
Bothriochloa saccaroides (Sw.) Rydb. BOTO                
(= B. laguroides var. torreyana)                  
Bothriochloa laguroides (DC.) Herter BOTO P GRASS MS SU C4 NAT KA  61  
subsp. torreyana (Steud.) Allred                  
& Gould                  
(=Bothriochloa saccaroides)                  
(Gramin.) Silver bluestem                  
Bothriochloa springfieldii (Gould) BOSR P GRASS . SU C4 NAT KA  62  
Parodi (Gram.) Springfield's                  
bluestem                  
Bouteloua aristidoides (H.B.K.) BOAR A GRASS BS SU C4 NAT KA  65  
Griseb. (Gram.) Needle grama                  
Bouteloua barbata Lag. (Gram.) BOBA A GRASS BF SU C4 NAT KA  68 S-2357
Six-weeks grama                  
Bouteloua curtipendula (Michx.) Torr. BOCU P GRASS BF SU C4 NAT KA  65 S-2364
(Gram.) Side-oats grama                  
Bouteloua eriopoda (Torr.) Torr. BOER P GRASS BS SU C4 NAT KA  63 S-2385
(Gram.) Black grama                  
Brachiaria arizonica (Scribn.&Merr.) BRAR A GRASS GI SU C4 NAT KA  70  
S.T. Blake (Gram.) Arizona                  
signalgrass                  
Brachiaria fasciculata (S.W.) Parodi BRFA A GRASS GS SU C4 NAT KA  70  
(=Panicum fasciculatum) (Gram.)                  
Browntop Panic panic grass                  
Brickellia californica (T.&G.) Gray BRCA P SHRUB MS SU C3 NAT CJ1546  
(Comp.)                  
Brickellia laciniata Gray (Comp.) BRLA P SHRUB BA SU C3 NAT CJ1546  
Caesalpinia jamesii (T.&G.) Fisher CAJA P FORB . SP-SU . NAT CJ 796  
(Legum.) Caesalpinia                  
Calliandra humilis Benth (Legum.) CAHU P S-SHR PC SP-SU C3 NAT CJ 770 S-2372
False mesquite                  
Early data coded as CAHA CAHA P S-SHR PC SP-SU C3 NAT CJ 770 S-2372
Calycoseris Wrightii Gray (Comp.) CAWR A FORB BF SP C3 NAT CJ1729 S&W-2806
White cup-fruit                  
Camissonia chamaenerioides (Gray) CACH A FORB BF SP C3 NAT CJ1121  
Raven (Onagr.) = (Oenothera ch.)                  
Carlowrightia linearifolia (Torr.) CALI P FORB BF SU C3 NAT CJ1468 S-1945
Gray (Acanth.)                  
Cassia bauhinioides A. Gray (Legum.) CABA P FORB BF SP-SU C3 NAT CJ 787 L-1227
Twin-leaf, two-leaved senna                  
Cenchrus incertus M.A. Curtis (Gram.) CEIN A GRASS . SP-SU . NAT KA  81  
Sandbur                  
Ceratoides lanata (Pursh) J.T. Howell CELA P SHRUB BF SU C3 NAT CJ 545  
(Cheno.) Winterfat (= Eurotia lana ta)                
Cevallia sinuata Lab. (Loasaceae) CESI P S-SHR . SU . NAT CJ1063  
Stinging cevallia                  
Chaenactis stevioides Hook. & Arn. CHST A FORB BF SP C3 NAT KP 922 S-2255
(Comp.) Desert false yarrow                  
Chamaesaracha coronopus (Dun.) Gray CHCO P FORB GS SU C3 NAT CJ1741  
(Solan.) Crowfoot chamaesaracha                  
Chamaesaracha sordida (Dun.) Gray CHSO P FORB BF SU C3 NAT CJ1393  
(Solan.) Dingy chamaesaracha                  
Cheilanthes tomentosa Link. CHTO P FERN MS   C3 NAT CJ  57  
(Polypod.) Woolly lipfern                  
Chenopodium incanum (Wats.) Heller CHIN A FORB PC SU C3 NAT CJ 535 S-2363
(Cheno.)                  
Chenopodium leptophyllum Nutt. CHLE A FORB PC SU C3 NAT CJ 534  
(Cheno.)                  
Chilopsis linearis (Cav.) Sweet. CHLI P SHRUB BA SP-SU C3 NAT CJ1444  
(Bign.) Desert willow, mimbre                  
Chloris virgata Swartz. (Gram.) CHVI A GRASS BS SU C4 NAT KA  82 S-2369
Feather fingergrass                  
Chrysothamnus pulchellus (Gray) CHPU P SHRUB . SU . NAT CJ1577  
Greene. (Gram.) Southwestern                  
rabbitbrush                  
Cirsium ochrocentrum Gray (Comp.) CIOC A FORB PC SU C3 NAT CJ1717 S-2378
Yellow-spine thistle                  
Commelina erecta L. (Comm.) COER P FORB MS SU C3 NAT CJ 358  
Dayflower                  
Condalia Warnockii M.C. Johnst. COWA P SHRUB BF SU C3 NAT CJ1014  
(Rham.)                  
Convolvulus equitans Benth. (Convol.) COEQ P FORB GB SP-SU . NAT CJ1246  
(=C. incanus)                  
Conyza canadensis (L.) Cronq. (Comp.) COCA A FORB PC SU C3 NAT CJ1608  
Horseweed (=Erigeron Canadensis)                  
Conyza Coulteri Gray. (Comp.) COCO A FORB PC SU C3 NAT CJ1609  
Marestail                  
Corispermum nitidum Schult. CONI A FORB MW SU . INTRO CJ 547  
Tickseed (Chenop.)                  
Corydalis aurea Willd. (Fumar.) COAU A FORB PC SP C3 NAT CJ 670 S&W-2804
Coryphantha macromeris (Engelm.) COMA P ST-SU BF SP CAM NAT CJ1110  
Britt. & Rose (Cact.)                  
Coryphantha scheeri (O. Ktze.) L. COSC P ST-SU GB TW . CAM NAT CJ1110  
Benson (Cact.)                  
Coryphantha vivipara (Engelm.) COVI P ST-SU BF SP CAM NAT CJ1110  
(Nutt.) Britt. & Rose (Cact.)                  
Croton Pottsii (Kl.) Muell. Arg. var. CRPO P FORB BS SP-SU C3 NAT CJ 936 S-2286
Pottsii (=C. corymbulosus) (Euph.)                  
Leatherweed                  
Cryptantha angustifolia (Torr.) CRAN A FORB BF SP C3 NAT CJ1299 S-2258
Greene (Borag.) (includes CRCR)                  
Cryptantha barbigera (Gray) Greene. CRBA A FORB TT SP . NAT CJ1299  
(Borag.) Bearded cat's-eye                  
Cryptantha crassisepala (Torr. & CRCR A FORB BF SP C3 NAT CJ1298 S-2219
Gray) Greene (Borag.) (not                  
differentiated from CRAN)                  
Cryptantha Jamesii (Torr.) Pays. CRJA P FORB BF SP C3 NAT CJ1299 S-2260
var. setosa (M.E. Jones) Shinners                  
(Borag.)                  
Cryptantha micrantha (Nutt.) Johnst. CRMI A FORB BF SP C3 NAT CJ1296 S-2233
(Borag.)                  
Cryptantha pterocarya (Torr.) Greene CRPT A FORB BF SP C3 NAT CJ1298  
(Borag.)                  
Cryptantha pusilla (T.&G.) Greene CRPU A FORB TW SP . NAT CJ1298  
(Borag.)                  
Cucurbita foetidissima HBK (Cucurb.) CUFO P VINE BS SU C3 NAT CJ1510 S-2290
Buffalo gourd                  
Cuscuta umbellata HBK (Cuscut.) CUUM P VINE PC SU PAR NAT CJ1261 S-2379
Dodder                  
Cyperus esculentus L. (Cyper.) Yellow CYES P GRASS PC SU C4 NAT CJ 291  
Nut-grass                  
Cyphomeris gypsophiloides (Mart. CYGY P FORB CG SU . NAT CJ 591  
& Gal.) Standl. (Nyctag.)                  
Red Cyphomeris                  
Dalea formosa Torr. (Legum.) DAFO P SHRUB BF SP C3 NAT CJ 826 S-2223
Feather indigobush, feather plume                  
Dalea nana Torr. (Legum.) DANA P FORB GI SP-SU C3 NAT CJ 825  
Dwarf dalea                  
Dalea scoparia Gray (Legum.) DASC P SHRUB . SU . NAT CJ 821  
(=Psorothamnus scoparius (Gray)                  
Rydb.) Broom pea                  
Dasylirion Wheeleri Wats. (Lilia.) DAWH P SHRUB MS SP-SU C3 NAT CJ 405  
Sotol                  
Dasyochloa pulchella (HBK) Hitchc. DAPU P GRASS BF SU C4 NAT KA  87  
(Gram.) Fluffgrass (= Tridens p.;                  
=Erioneuron pulchellum)                  
Datura Wrightii Regel. (Solan.) DAWR P FORB BS SP-SU C3 NAT CJ1405  
(=Datura meteloides DC)                  
Jimson. weed.                  
Delphinium virescens Nutt. (Ranun.) DEVI P FORB BS SU . NAT CJ 639  
Descurainia pinnata (Walt.) Britton DEPI A FORB BF SP C3 NAT CJ 683 S-2216
ssp. ochroleuca (Woot.) Detling                  
(Cruc.) Tansy-mustard                  
Desmanthus cooleyi (Eat.) Trel. DECO P FORB GI SU . NAT CJ 781  
(Legum.) Cooley's bundleflower                  
Digitaria californica (Benth.) Henr. DICA P GRASS BS SP-SU C4 NAT KA  91  
(Gram.)  Arizona Cottontop                  
(see Trichachne californica)                  
Distichlis spicata (L.) Greene var. DISP P GRASS BF SU C4 NAT KA  92  
stricta (Torr.) Beetle                  
(Gram.) Desert saltgrass                  
Dithyrea Wislizenii Engelm. (Cruc.) DIWI B FORB BF SP C3 NAT CJ 706 S-2218
Spectacle pod                  
Draba cuneifolia Nutt. var. DRCU A FORB BF SP C3 NAT CJ 694 S-2226
cuneifolia (Cruc.)                  
Dyssodia acerosa DC (Comp.) DYAC P SHRUB BF SP-SU C3 NAT CJ1681 S-2225
Dyssodia papposa (Vent.) Hitchc. DYPA A FORB TE SU . NAT CJ1680  
Dyssodia pentachaeta (DC.) Robins. DYPE P FORB BD SP-SU . NAT    
Echinocactus horizonthalonius Lem. ECHO P ST-SU BF SP CAM NAT CJ1104  
(Cact.) Turk's head, devil's head                  
                   
Echinocereus Fendleri Engelm. var. ECFE P ST-SU BF SP CAM NAT CJ1097  
fendleri (Cact.)                  
Echinocereus pectinatus (Scheidw.) ECPE P ST-SU BF SP CAM NAT CJ1098  
Engelm. var. neomexicanus (Coult.)                  
L. Benson (Cact.)                  
Echinocereus triglochidiatus Engelm. ECTR P ST-SU BF SP CAM NAT CJ1096  
var. Guerneyi L. Benson (Cact.)                  
Claret-cup                  
Echinochloa colonum (L.) Link ECCO A GRASS PC SU . INTRO    
Enneapogon desvauxii Beauv. (Gram.) ENDE P GRASS BF SU C4 NAT KA 105 S-1951
Spike pappus-grass                  
Ephedra trifurca Torr. (Ephed.) EPTR P SHRUB BF SP C3 NAT CJ  81 S-2256
Mormon-tea, canatilla                  
(includes some EPTO)                  
Ephedra torreyana Wats. (Ephed.) EPTO P SHRUB BS SP C3 NAT CJ  82 S&W-2807
Mormon Tea, Torrey joint-fir                  
(not differentiated from EPTR)                  
Eragrostis arida Hitchc. ERMI                
(= E. pectinacea var. miserrima)                  
Eragrostis cilianensis (All.) E. ERCI A GRASS PC SU C4 INTRO KA 106 S-2356
Mosher (Gram.) Stinkgrass                  
Eragrostis Lehmanniana Ness. ERLE P GRASS BF SU C4 INTRO KA 109 S-2389
(Gram.) Lehman's Love Grass                  
Eragrostis pectinacea (Michx.) Nees ERMI A GRASS PC SU C4 NAT KA 108 S-2374
var. miserrima (Fourn.) J.Reeder                  
(=Eragrostis arida) (Gram.)                  
Desert lovegrass                  
Eragrostis pectinacea (Michx.) Nees ERPE A GRASS PC SU C4 NAT KA 107  
var. pectinacea  (Gram.)                  
Carolina lovegrass                  
Eriastrum diffusum (Gray) Mason ERDI A FORB BF SP C3 NAT CJ1267 S-2207
(Polem.)                  
Ericameria laricifolia (Turpentine ERLA P SHRUB MS SU C3 NAT CJ1578  
bush) (Gray) Shinners (Comp.)                  
Erigeron Bellidiastrum Nutt. (Comp.) ERBE A FORB BS SP-SU C3 NAT CJ1607  
Western Fleabane                  
Erigeron divergens T. & G. (Comp.) ERDV P FORB BF SP C3 NAT CJ1606 S-2232
Spreading fleabane                  
Eriogonum abertianum Torr. (Polyg.) ERAB A FORB BF SP-SU C3 NAT CJ 516  
Abert's desert wild buckwheat                  
Eriogonum annuum Nutt. (Polyg.) ERAN A FORB GI SP-SU . . CJ 515  
Annual buckwheat                  
Eriogonum rotundifolium Benth. ERRO A FORB BS SP-SU C3 NAT CJ 516  
(Polyg.) white wild buchwheat                  
Eriogonum trichopes Torr. (Polyg.) ERTR A FORB BS SP-SU C3 NAT KP 238  
yellow desert wild buckwheat                  
Eriogonum Wrightii Torr. (Polyg.) ERWR P FORB BF SU C3 NAT CJ 514  
Wright's wild buckwheat                  
Erioneuron pulchellum (HBK) Takeoka DAPU                
(= Dasyochloa pulchella)                  
Erodium cicutarium (L.) L'Her (Geran.) ERCC A FORB BS SP C3 INTRO CJ 892  
Erodium texanum Gray. (Geran.) ERTE A FORB BS SP C3 NAT CJ 892  
Storks-bill                  
Erysimum capitatum (Dougl.) Greene. ERCA P FORB CG,GS SP-SU . NAT CJ 688  
(Cruc.) Douglas's wallflower                  
Eschscholzia mexicana ESME A FORB BF SP C3 NAT CJ 662 S-2209
(Papav.) Mexican golden poppy                  
Eucrypta micrantha (Torr.) Heller EUMC A FORB MS SP C3 NAT CJ1274  
(Hydro.)                  
Euphorbia albomarginata T. & G. EUAL P FORB BS SP-SU C4 NAT CJ 980 S-2352
(Euph.) Rattlesnake weed                  
Euphorbia dentata Michx. (Euph.) EUDE A FORB GS SP-SU C4 NAT CJ 970  
Euphorbia glyptosperma Engelm. EUGL A FORB BS SU C4 NAT CJ 977 S-2354
(Euph.) Ridgeseed spurge                  
Euphorbia micromera Engelm. (Euph.) EUMI A FORB BF SU C4 NAT CJ 978 S-2349
Small-leaf desert spurge                  
Euphorbia parryi Engelm. (Euph.) EUPA A FORB   SU . NAT CJ 973  
Euphorbia revoluta Engelm. (Euph.) EURE A FORB BF SU C4 NAT CJ 974  
Round-leaf desert spurge                  
Euphorbia serpyllifolia Pers. (Euph.) EUSR A FORB BS SU C4 NAT CJ 976 S-2375
Thymeleaf spurge                  
Euphorbia serrula Engelm. (Euph.) EUSE A FORB BS SU C4 NAT CJ 983 S-2350
Serrate-leaf desert spurge                  
Euphorbia setiloba Engelm. (Euph.) EUST A FORB BS SU C4 NAT CJ 981  
Yuma spurge                  
Eurotia lanata (see Ceratoides)                  
Evolvulus Nuttallianus R. & S. EVNU P FORB GI SP-SU . NAT CJ1244  
(Convolv.)                  
Fallugia paradoxa (D. Don) Endl. FAPA P SHRUB BA SP-SU C3 NAT CJ 750  
(Rose) Apache plume                  
Ferocactus Wislizenii (Engelm.) FEWI P ST-SU BF SU CAM NAT CJ1103  
Britt. & Rose (Cact.) Barrel                  
cactus                  
Flourensia cernua DC (Comp.) FLCE P SHRUB BS SU C3 NAT CJ1653  
Tarbush                  
Fouquieria splendens Engelm. (Fouq.) FOSP P SHRUB MS SP-SU C3 NAT CJ1070  
Ocotillo                  
Froelichia arizonica Thornb. FRAR P FORB . SU . NAT CJ 570  
(Amaran.) Arizona snakecotton                  
Gaillardia pinnatifida Torr. (Comp.) GAPI P FORB GI SP-SU . NAT CJ1673  
Galium microphyllum Gray (Euphor) GAMI P FORB MS SP-SU . NAT CJ1482  
Gaura parviflora Dougl. (Onag.) GAPA A FORB PC SP-SU C3 NAT CJ1124  
Garrya wrightii Torr. (Cornaceae) GAWR P SHRUB . SU . NAT CJ1171  
Wright's silktassle                  
Gilia flavocincta A. Nels. ssp.   GIF L   A FORB  BF   SP C3 NAT CJ1266 S-2213
australis V. Grant (Polemon.)                  
Gilia mexicana A.&V. Grant GIME A FORB BF SP C3 NAT CJ1266  
(Polemon.)                  
Gilia sinuata Dougl. (Polemon.) GISI A FORB BF SP C3 NAT KP 691  
(Polemon.)                  
Grindelia squarrosa (Pursh) Dun. GRSQ A FORB PC SU C3 NAT CJ1571  
(Comp.) Curly-cup gumweed                  
Haplopappus laricifolius ERLA                
(see Ericameria laricifolius)                  
Haplopappus gracilis (Nutt.) Gray. HAGR A FORB BF SU C3 NAT CJ1583  
(Comp.) = Machaeranthera gr.                  
Hedyotis humifusa Gray. (Rubiaceae) HEHU A FORB UP13 SP-SU . NAT CJ1489  
Bluet                  
Helianthus annuus L. (Comp.) HEAN A FORB GS SU . NAT CJ1641  
Common sunflower                  
Helianthus ciliaris DC (Comp.) HECI P FORB PC SU C3 NAT CJ1651 L-1223
Blue-weed                  
Helianthus petiolaris Nutt. (Comp.) HEPE A FORB GI SU . . CJ1652  
Plains sunflower                  
Heliotropium convolvulaceum (Nutt.) HECO A FORB GI SU . NAT CJ1290  
Gray. (Borag.) Bindweed                  
heliotrope                  
Heliotropium greggii Torr. (Borag.) HEGR P FORB . SP-SU . NAT CJ1289  
Fragrant heliotrope                  
Heterotheca fulcrata (Greene) HEFU P FORB MS SP-SU C3 NAT CJ1568 S-1941
Shinners (Comp.)                  
Hilaria mutica (Buckl.) Benth. PLMU                
(= Pleuraphis mutica)                  
Hoffmanseggia drepanocarpa Gray. HODR P FORB GI SP-SU C3 NAT CJ 798  
(Legum.) Sicklepod rush-pea                  
Hoffmanseggia glauca (Ort.) Eifert HOGL P FORB PC SP-SU C3 NAT CJ 797  
(Legum.) (=H. densiflora Benth.)                  
Hog potato                  
Hordeum murinum L. subsp. glaucum HOMU A GRASS CG WI-SP C3 INTR KA 12 4
(Steud.) Tsvelev (Gram.) Wall                  
barley                  
Hybanthus verticillatus (Ort.) Baill. HYVE P FORB BS SP-SU C3 NAT CJ1078 S-2288
(Viol.) Green-violet                  
Hymenopappus flavescens Gray. var. HYFL B FORB GI SP-SU . . CJ1703  
cano-tomentosus Gray. (Comp.)                  
Wooly-white                  
Hymenoxys odorata (DC) Kuntz (Comp.) HYOD A FORB PC SU C3 NAT CJ1678 L-1224
Bitterweed                  
Ibervillea tenuisecta (Gray) Small IBTE P VINE BF SU C3 NAT CJ1511 S-2387
(Cucurb.) Globe-berry                  
Ipomoea costellata Torr. (Convol.) IPCO A VINE GB SU C3 NAT CJ1252  
Ipomoea cristulata Hallier f. IPCR P VINE MS SU C3 NAT CJ1250 S-1952
(Convol.) Scarlet creeper                  
Ipomopsis longiflora (Torr.) V. IPLO A FORB BF SU C3 NAT CJ1264  
Grant (Polemon.) Pale trumpets                  
Ipomopsis pumila Nutt. V. Grant. IPPU A FORB MW SP . NAT CJ1264  
(Polemon.) Dwarf gilia                  
Iva ambrosiaefolia (Gray) IVAM A FORB BF SU C3 NAT CJ1629 S-2910
Gray (Comp.)                  
Iva dealbata Gray (Comp.) IVDE P FORB . SU . NAT CJ16 29
Wooly sump-weed                  
Janusia gracilis Gray (Malpig.) JAGR P FORB MS SU C4 NAT CJ 913 S-1953
Juniperus monosperma (Engelm.) Sarg. JUMO P TREE MS . C3 NAT CJ  78  
(Cuppres.) One-seeded juniper                  
Kallstroemia hirsutissima Vail KAHI A FORB BS SU C4 NAT CJ 905  
(Zygo.)  Carpetweed                  
Kallstroemia parviflora Nort. KAPA A FORB BS SU C4 NAT CJ 904 S-2348
(Zygo.) Mexican poppy                  
Koeberlinia spinosa Zucc. (Koeber.) KOSP P SHRUB TWTE SP-SU . NAT CJ1074  
Krameria glandulosa Rose & Painter KRPA P SHRUB BF SP C3 NAT CJ 890  
(Kram.) Range ratany                  
Krameria lanceolata Torr. (Kram.) KRLA P S-SHR BS SU C3 NAT CJ 889 S-2347
Prostrate ratany                  
Kuhnia chlorolepis Woot. & Standl. KUCH P FORB RS SU . NAT CJ1548  
(Comp.) Prairie boneset                  
Lappula Redowskii (Hornem.) Greene LARE A FORB BS SU C3 NAT CJ1293 S-2221
(Borag.) Stickseed                  
Larrea tridentata (DC) Cov. (Zygo.) LATR P SHRUB BF SP-SU C3 NAT CJ 901  
Creosote bush, hediondilla                  
Lepidium lasiocarpum Nutt. (Cruc.) LELA A FORB BF SP C3 NAT CJ 696 S-2208
Lepidium montanum Nutl. var. LEMO P FORB BF SP C3 NAT CJ 695 P-6
angustifolium C.L. Hitchc. (Cruc.)                  
Mountain peppergrass                  
Lepidium virginicum L. var. medium LEVI A FORB BF SP C3 NAT CJ 697 S-2217
(Greene) C.L. Hitchc. (Cruc.)                  
Leptochloa dubia (HBR) Nees. (Gram.) LEDU P GRASS MS SU C4 NAT KA 126  
Green Sprangle-Top                  
Leptochloa viscida (Scribn.) Beal. LEVS A GRASS PC SU C4 NAT KP 123  
(Gram.) Gum sprangle-top                  
Lesquerella Fendleri (Gray) Wats. LEFE P FORB BF SP C3 NAT CJ 704 S-2222
(Cruc.) Bladderpod                  
Lesquerella Gordonii (Gray) Wats. LEGO A FORB BF SP C3 NAT CJ 702 S-2230
(Cruc.) Bladderpod                  
Leucelene ericoides (Torr.) Greene LEER P FORB BF SP C3 NAT CJ1600 S-2257
(Comp.)                  
Linanthus Bigelovii (Gray) Greene LIBI A FORB BF SP C3 NAT CJ1267  
(Polemon.)                  
Linaria texana Scheele. (Scroph.) LITE A FORB GS SP . NAT CJ1426  
(= Nuttalanthus texanus Scheel)                  
D.A. Sutton) Texas toadflax                  
Linum vernale (Woot.) Small. (Lin.) LIVE A FORB GI,MW SP-SU . . CJ 900  
Spring flax                  
Lotus neomexicanus Greene (Legum.) LONE P FORB BF SP C3 NAT KP 428 S-2211
New Mexico lotus                  
Lupinus concinnus Agardh. var. LUCO A FORB BF SP C3 NAT CJ 803 S-2206
orcuttii (Wats.) C. P. Smith                  
(Legum.) Lupine                  
Lycium berlandieri Dun (Solan.) LYBE P SHRUB TA SP . NAT CJ1402  
Berlandieri's wolfberry                  
Lycium pallidum Miers. (Solan.) LYPA P SHRUB TA SP . NAT CJ1401  
Pale wolfberry                  
Machaeranthera gracilis (Nutt.) HAGR A FORB BF SU C3 NAT CJ1583 S-2388
Shinners (Comp.)                  
(syn. Haplopappus gracilis)                  
Machaeranthera linearis Greene MALI A FORB MW SU . NAT CJ1584  
Sand daisy (Comp.)                  
Machaeranthera pinnatifida (Hook.) MAPI P FORB BS SP-SU . . CJ1582  
Shinners. (Comp.)                  
Strapleaf spineaster                  
Machaeranthera tanacetifolia MATA A FORB BS SU C3 NAT CJ1585 S-2903
(HBK) Nees (Comp.) Tahoka daisy                  
Malacothrix Fendleri Gray (Comp.) MAFE A FORB BF SP C3 NAT CJ1728 S-2214
Desert dandelion                  
Mammillaria grahamii Engelm. (Cact.) MAGR P ST-SU GS . CAM NAT CJ1102  
Mammillaria gummifera Engelm. var. MAGU P ST-SU BF SP CAM NAT CJ1101  
applanata (Engelm.) L. Benson                  
(Cact.)                  
Mammillaria wrightii Engelm. MAWR P ST-SU MS SP CAM NAT CJ1102  
(Cact.) Pincushion cactus                  
Melampodium leucanthum T. & G. MELE P FORB BF SP-SU C3 NAT CJ1621  
(Comp.) Blackfoot                  
Menodora scabra Gray (Olea.) MESC P S-SHR BF SU C3 NAT CJ1196 S-1948
Scabrous lime-shrub                  
Mentzelia albicaulis Dougl. (Loas.) MEAL A FORB BF SP C3 NAT CJ1084 S-2234
Stickleaf                  
Mentzelia pumila (Nutt.) Gray (Loas.) MEPU A FORB BF SP-SU C3 NAT CJ1083 S-2254
Stickleaf                  
Microseris linearifolia (DC) MILI A FORB BF SP C3 NAT CJ1725  
Sch. Bip.  (Comp.)                  
Mirabilis linearis (Pursh) Heimerl. MILN P FORB PC SU . NAT CJ 583  
(Nyct.)                  
Mollugo Cerviana (L.) Ser. (Aizo.) MOCE A FORB BF SU C4 NAT CJ 602 S-2650
Threadstem carpetweed                  
Mollugo verticillata L. (Aizo.) MOVE A FORB GS SP-SU C4 NAT CJ 602  
Indian chickweed                  
Morus microphylla Buckl. (Moraceae) MOMI P SHRUB MS SP . NAT CJ 497  
Mountain mulberry                  
Muhlenbergia arenacea (Buckl.) MUAR P GRASS BS SU C4 NAT KA 138 W-s.n.
Hitchc. (Gram.) Ear muhly                  
Muhlenbergia arenicola Buckl. MUAN P GRASS . SU C4 NAT KA 145  
Muhlenbergia Porteri Scribn. (Gram.) MUPO P GRASS BF SU C4 NAT KA 136 S-2361
Bush muhly                  
Munroa squarrosa (Nutt.) Torr. MUSQ A GRASS MW SU C4 NAT KA 150  
(Gram.) False buffalo grass       MR          
Nama hispidum Gray (Hydro.) NAHI A FORB BF SP C3 NAT CJ1279 S-2215
Neolloydia intertexta (Engelm.) L. NEIN P ST-SU BF SP CAM NAT CJ1107  
Bens. var. intertexta and also                  
var. dasyacantha (Engelm.) L. Bens .                
(Cact.) White viznagita                  
Nicotiana trigonophylla Dunal NITR B FORB BF SP C3 NAT CJ1407  
(Solan.) Desert tobacco,                  
tabaquillo                  
None - plants absent from segment NONE                
Notholaena sinuata (Lag.) Kaulf. NOSI P FERN MS . C3 NAT CJ  59  
(Polyp.) Wavy cloakfern                  
Notholaena Standleyi Maxon (Polyp.) NOST P FERN MS . C3 NAT CJ  60  
Star cloakfern                  
Oenothera albicaulis Pursh (Onag.) OEAL A FORB BS SP-SU C3 NAT CJ1131  
Prairie evening primrose                  
Oenothera caespitosa Nutt. var. OECA P FORB BS SP C3 NAT CJ1130  
australis (Woot. & Standl.) Munz                  
(Onag.) Tufted evening primrose                  
Oenothera primiveris Gray (Onag.) OEPR A FORB BS SP C3 NAT CJ1130 S&W-2805
Large yellow desert primrose                  
Opuntia imbricata (Haw.) DC (Cact.) OPIM P ST-SU BF SP-SU CAM NAT CJ1091  
Tree cholla, coyonostle                  
Opuntia leptocaulis DC (Cact.) OPLE P ST-SU BF SP-SU CAM NAT CJ1091  
Desert Christmas cactus, tasajillo                  
Opuntia phaeacantha Engelm. var. OPPH P ST-SU BF SP-SU CAM NAT CJ1093 S&M-2530
discata (Engelm.) L. Bens. &                  
Walk., & var. major Engelm.                  
(Cact.)                  
Opuntia violacea Engelm. var. OPVI P ST-SU BF SP-SU CAM NAT CJ1093 S&M-2531
Castetteri L. Bens., & var.                  
macrocentra (Engelm.) L. Bens., &                  
var. santa-rita (Griff. & Hare)                  
L. Bens. (Cact.)                  
Purple prickly pear                  
Palafoxia sphacelata (Torr.) Cory PASP A FORB GI SP-SU . NAT CJ1697 P-310
Panicum fasciculatum SW. BRFA                
(= Brachiaria fasciculata)                  
Panicum hallii Vasey var. hallii PAHA P GRASS MS SP C4 NAT KA 156  
Hall's panic grass                  
Panicum hirticaule Presl. (Gram.) PAHI A GRASS BS SU C4 NAT KA 153 S-2383
Panicum obtusum HBK (Gram.) PAOB P GRASS PC SU C4 NAT KA 153  
Vine-mesquite                  
Parthenium incanum HBK (Comp.) PAIN P SHRUB BF SU C3 NAT CJ1626 S-2910
Mariola                  
                   
                   
Pectis angustifolia Torr. (Comp.) PEAN A FORB BS SU C4 NAT CJ1685 S-2380
Lemmonweed (may include some                  
P. papposa Gray)                  
Pectis papposa Gray (Comp.) PEPA A FORB BS SU C4 NAT CJ1685 S-2149
Chinchweed (lumped with P.                  
angustifolia for analysis)                  
Pectis prostrata Cav. (Comp.) PEPR A FORB PS SU . NAT CJ1684  
Dwarf chinchweed                  
Pellaea longimucronata Hook. (Poly.) PELO P FERN MS . C3 NAT CJ  54  
Penstemon ambiguus Torr. (Scroph.) PEAM P SHRUB . SU . NAT CJ1422  
Perezia nana Gray (Comp.) PENA P FORB BS SP-SU C3 NAT CJ1721 S-2285
Desert holly                  
Perezia Wrightii Gray (Comp.) PEWR P FORB MS SU C3 NAT CJ1721  
Brownfoot                  
Petalostemum compactum (Spreng.) PECO P FORB GI SU . NAT CJ 830  
Swezey (Legum.) Prairie clover                  
Phacelia coerulea Greene (Hydro.) PHCO A FORB BS SP C3 NAT CJ1276 S-2259
Blue phacelia                  
Phacelia integrifolia Torr. (Hydro.) PHIT A FORB BD SP . NAT CJ1276  
Sand phacelia                  
Phacelia intermedia Woot. (Hydro.) PHIN A FORB BS SP C3 NAT CJ1276  
Wooton's phacelia                  
Phacelia popei T.&G. (Hydro.) PHPO A FORB TW SP . NAT CJ1276  
Pope's phacelia                  
Phaseolus acutifolius Gray. var. PHAC P FORB GS SU . NAT CJ 888 P-378
acutifolius (Legum.)                  
Tepary bean                  
Phaseolus wrightii Gray. (Legum.) PHWR P FORB . SU . NAT CJ 887  
Phyla incisa Small. (Verb.) PHIC P FORB . SP-SU . NAT CJ1332  
Physalis hederaefolia Gray (Solan.) PHHE P FORB MS SU C3 NAT CJ1390  
Ground-Cherry                  
Plantago patagonica Jacq. (Plantag.) PLPA A FORB BF SP C3 NAT CJ1478  
Patagonia plantain                  
Pleuraphis mutica Buckley PLMU P GRASS BS SU C4 NAT KA 165  
(=Hilaria mutica) (Gram.)                  
Tobosa grass                  
Poa fendleriana (Steud.) Vasey subsp. POFE P GRASS BF SP-SU C3 NAT KA 172  
fendleriana (Gram.) Fendler's                  
Muttongrass                  
Polanisia uniglandulosa (Cav.) DC POUN A FORB BF SU C3 NAT CJ 707  
(Capp.) Clammyweed                  
Porophyllum scoparium Gray (Comp.) POSC P SHRUB MS SP-SU C3 NAT CJ1686 S-2292
Portulaca mundula I.M. Johnst POMU A FORB BS SU C4 NAT CJ 607 S-2906
(Port.) Chisme                  
Portulaca parvula Gray (Port.) POPA A FORB BS SU C4 NAT CJ 607  
Portulaca oleracea L (Port.) POOL A FORB PC SU C4 NAT CJ 607 S-2386A
Purslane                  
Portulaca retusa Engelm. (Port.) PORE A FORB PS SU C4 NAT CJ 607  
Portulaca suffrutescens Engelm. POSU P FORB BS SP-SU . NAT CJ 607  
(Port.)                  
Proboscidea parviflora (Woot.) Woot. PRPA A FORB BF SU C3 NAT CJ1447  
& Standl. (Martyn.) Devil's claw                  
Prosopis glandulosa Torr. var. PRGL P SHRUB BF SP-SU C3 NAT CJ 783  
Torreyana (L. Benson) M.C. Johnsto n                
(Legum.) (=P. juliflora) Mesquite                  
Psilostrophe tagetina (Nutt.) Greene. PSTA P FORB GI SP-SU . NAT CJ1701  
(Comp.)                  
Rafinesquia neomexicana Gray (Comp.) RANE A FORB BF SP C3 NAT CJ1728  
Ratibida columnaris (Sims) D. Don. RACO P FORB PC SP-SU . NAT CJ1644  
(Comp.)                  
Ratibida Tagetes (James) Barnh. RATA P FORB PC SU . NAT CJ1644  
(Comp.) Prairie cone-flower                  
Rhamnus betulaefolia Greene (Rhamn.) RHBE P SHRUB MS   C3 NAT CJ1012  
Rumex hymenosepalus Torr. (Polygon.) RUHY P FORB BD SP . NAT CJ 518  
Rhus microphylla Engelm. (Anacard.) RHMI P SHRUB BF SP C3 NAT CJ 991  
Little leaf sumac                  
Road ROAD                
Salsola Kali L (Chen.) SAKA A FORB BF SP-SU C4 INTRO CJ 551  
Russian thistle, tumbleweed                  
Sanvitalia Abertii Gray. (Comp.) SAAB A FORB BF SU . NAT CJ1635  
                   
                   
                   
Sarcostemma cynanchoides Dcne. SACY P FORB BS SU C3 NAT CJ1237  
Schlecht. (Asclep.)                  
Sarcostemma cynanchoides Dcne. var. SAHA P FORB GS SP-SU C3 NAT CJ1237  
Hartwegii (Vail) Shinners                  
(=S. heterophyllum) (Ascelp.)                  
Schismus arabicus Nees (Gram.) SCAR A GRASS . SP . INTRO KA 179  
Mediterraneangrass                  
Scleropogon brevifolius Phil. (Gram.) SCBR P GRASS BF SU C4 NAT KA 182  
Burro grass                  
Selenia dissecta T.&G. (Cruc.) SEDS A FORB . SP-SU . NAT CJ 692  
Texas selenia                  
Selinocarpus diffusus Gray (Nyct.) SEDI P SHRUB . SP-SU . NAT CJ 589  
Spreading moonpod                  
Senecio longilobus Benth. (Comp.) SELO P FORB BF SU C3 NAT CJ1712  
Thread-leaf groundsel                  
Setaria leucopila (Scribn. & Merr.) SELE P GRASS BF SU C4 NAT KA 187 S-2381
K. Schum. (Gram.)                  
Sida filicaulis T. & G. (Malv.) SIFI P FORB BS SU C3 NAT CJ1052 S-1939
Sida leprosa (Ort.) K. Schum. var. SILE P FORB PC SU C3 NAT CJ1051 S-2376
sagittaefolia (Gray) I. Clem.                  
(=S. lepidota) (Malv.)                  
Sida physocalyx Gray (Malv.) SIPH P FORB BS SU C3 NAT CJ1052 S-2367
Sisymbrium Irio L. SIIR A FORB BF SP C3 INTRO CJ 681  
Soil pit (disturbed soil) SOIL                
also listed as SOPI                
Solanum elaeagnifolium Cav. (Solan.) SOEL P FORB BS SU C3 NAT CJ1396  
Bull-nettle                  
Sonchus oleraceus L. (Comp.) SOOL A FORB PS SP-SU . INTRO CJ1731  
Sophora nuttalliana B.L. Turner SONU P FORB PC,PS SP C3 NAT CJ 798  
(Legum.) White loco                  
Sphaeralcea angustifolia (Cav.) SPAN P FORB BS SU C3 NAT CJ1046  
D. Don. (Malv.) Globe mallow                  
Sphaeralcea coccinea (Pursh) Rydb. SPCC P FORB GI SP-SU C3 NAT CJ1044  
(Malv.) Scarlet globe mallow                  
Sphaeralcea incana Torr. SPIN P FORB MS SP-SU C3 NAT CJ1047  
(Malv.) Globe mallow                  
Sphaeralcea subhastata Coult. ssp. SPSU P FORB BS SP-SU C3 NAT CJ1045 S-2294
Martii (Cock.) Kearn. (Malv.)                  
Globe mallow                  
Sphaerophysa salsula (Pall.) DC SPSA P FORB PC SP-SU C3 INTRO CJ 837  
(Legum.) (=Swainsona salsula)                  
Sporobolus airoides (Torr.) Torr. SPAI P GRASS PTTE SP-SU C4 NAT KA 194  
(Gram.) Alkali sacaton                  
Sporobolus contractus Hitchc. (Gram.) SPCO P GRASS BS SU C4 NAT KA 192  
Spike dropseed                  
Sporobolus cryptandrus (Torr.) Gray SPCR P GRASS BS SU C4 NAT KA 193 S-2382
(Gram.) Sand dropseed                  
Sporobolus flexuosus (Thurb.) Rydb. SPFL P GRASS BF SU C4 NAT KA 193  
(Gram.) Mesa dropseed                  
Sporobolus giganteus Nash SPGI P GRASS   SU . NAT KA 195  
Sporobolus pulvinatus Swallen (Gram.) SPPU A GRASS PT SU . NAT KA 190  
Stephanomeria exigua Nutt. (Comp.) STEX A FORB BS SP-SU C3 NAT CJ1744  
Stephanomeria pauciflora (Torr.) A. STPA P FORB BS SU C3 NAT CJ1744 L-1234
Nels (Comp.)                  
Streptanthus arizonicus Wats. Cory STAR A FORB BF SP C3 NAT KP 331 S-2229
(Cruc.) Twistflower                  
Swainsona salsula SPSA                
(see Sphaerophysa salsula)                  
Talinum angustissimum (Gray) Woot. & TAAN P FORB BA SP-SU C3 NAT CJ 609 L-1231
Standl. (Port.) Flame-flower                  
Talinum aurantiacum Engelm. (Port.) TAAU P FORB GI SP-SU C3 NAT CJ 609  
Tecoma stans (L) HBK (Bignon.) TEST P SHRUB MS SU C3 NAT CJ1444  
Trumpet flower                  
Tetraclea Coulteri Gray. (Verb.) TECO P FORB BS SU C3 NAT CJ1342  
Thelesperma megapotamicum (Spreng.) THME P FORB . SU . NAT CJ1667  
O. Ktze. (Comp.)                  
Tidestromia lanuginosa (Nutt.) TILA A FORB BS SU C4 NAT CJ 571 S-2353
Standl. (Amar.) Espanta vaqueros                  
Townsendia annua Beaman (Comp.) TOAN A FORB CSx SP . NAT CJ1610  
Tragia stylaris Muell. Arg. (Euph.) TRST P FORB BF SP-SU C3 NAT CJ 950 S-2287
Noseburn                  
Tragopogon dubius Scop. (Comp.) TRDU B FORB PC SU . INTRO CJ1729 P-582
Goat's-beard                  
Tragus Berteronianus Schult. (Gram.) TRBE A GRASS BS SU C4 NAT KA 202 S-2368
Spike bur-grass                  
Tribulus terrestris L (Zygo.) TRTE A FORB BS SU C4 INTRO CJ 905  
Puncture vine                  
Trichachne californica (see Digitaria)                  
Tridens muticus (Torr.) Nash. var. TRMU P GRASS BD SU C4 NAT KA 203  
muticus (Gram.) Slim tridens                  
Trixis californica Kell. (Comp.) TRCL P SHRUB MS SP-SU C3 NAT CJ1721 S-2293
                   
Ungnadia speciosa Endl. (Sapin.) UGSP P SHRUB MS SP C3 NAT CJ1006  
New Mexican buckeye                  
Verbena ambrosifolia Rydb. (Verb.) VEAM P FORB BF SP-SU C3 NAT CJ1324  
Western pink verbena                  
Verbena bracteata Lab. & Rodr. VEBR . FORB . SP-SU . INTRO CJ1322  
(Verb.)                  
Verbena wrightii Gray (Verb.) VEWR P FORB BS SP-SU C3 NAT CJ1325 S-2250
Desert verbena                  
Verbesina encelioides (Cav.) Gray VEEN A FORB BF SU C3 NAT CJ1657 S-2150
(Comp.) Coropen daisy                  
Vicia ludoviciana Nutt. (Fabaceae) VILU A FORB BD SP . NAT CJ874  
Slim vetch                  
Viguiera annua (M. E. Jones) Blake VIAN A FORB RS SU . NAT CJ1646  
Viguiera dentata (Cav.) Spreng. VIDE P FORB . SU . NAT CJ1645  
(Comp.) Golden-eye                  
Vulpia octoflora (Walt.) Rydb. VUOC A GRASS BF SP C3 NAT KA 208  
(Gram.) Common Sixweeksgrass                  
Xanthium strumarium L (Comp.) XAST A FORB PC SU C3 NAT CJ1634  
Cocklebur                  
Xanthocephalum microcephalum (DC) XAMI P S-SHR BS SU C3 NAT CJ1574 S-2904
Shinners Snakeweed (Comp.)                  
Xanthocephalum Sarothrae (Pursh) XASA P S-SHR BF SU C3 NAT CJ1574 S-2148
Shinners (Comp.) Snakeweed                  
Xanthocephalum sphaerocephalum (Gray) XASP A FORB PC SU C3 NAT CJ1575 S-1938
Shinners Broomweed (Comp.)                  
Xanthocephalum texanum (DC.) XATE A FORB . SU . NAT CJ1575  
Shinners (Comp.)                  
Yucca baccata Torr. (Agav.) YUBA P LF-SU BA SP CAM NAT CJ 397  
Banana yucca                  
Yucca elata Engelm. (Agav.) YUEL P LF-SU BS SP C3 NAT CJ 400  
Soap-tree, palmella                  
Zephyranthes longifolia Hemsl. ZELO P LF-SU BS SU C3 NAT CJ 418 L-1244
(Amaryl) Zephyr lily                  
Zinnia acerosa (DC) Gray (Comp.) ZIAC P S-SHR BS SU C3 NAT CJ1634  
(=Z. pumila)                  
Zinnia grandiflora Nutt. (Comp.) ZIGR P S-SHR BS SU C3 NAT CJ1634  
Ziziphus obtusifolia (T&G)Gray (Rham) ZIOB P SHRUB BF SP-SU C3 NAT CJ1013 L-1239
Scientific/Common_Names @ Code$ Habit% Form& Hbtat# Phnlgy? Path+ STAT< REFER! Voucher=
____________________
*/  Expanded  from  a  checklist  for the former  NSF/IBP  JORNADA  SITE
        (compiled by R. Spellenberg) and one for NSF/LTERI JORNADA SITE
        (compiled by J. Ludwig and S. Wondzell). Additions by J. Anderson.
@/  Nomenclature, where possible (and except for grasses), follows Correll,
        D.S. and M.C. Johnston. 1970.  Manual of The Vascular Plants of
        Texas.   Texas Research Foundation,  Renner, TX.  1881 p.
    Grass nomenclature follows Allred, K. W. 1993. A Field Guide to the Grasses
        of New Mexico. Department of Agricultural Communications, NMSU,
        Las Cruces, NM.  259p.
$/  Field  Abbreviation  -  usually first 2 letters of genus  and  first  2
        letters of specific epithet.
%/  A = Annual; B = Biennial; P = Perennial
&/  FERN = fern; FORB =broad-leaved herb; GRASS = Grass or Graminoid;
        S-SHR = Sub-Shrub; ST-SU = Stem Succulent; LF-SU = Leaf Succulent;
#/  Habitat of greatest abundance:
    BA, BF, BS, & MS refer to area from Mt. Summerford and College playa
       to the northeast.
    Other habitats refer to specific LTER sites.

    BD=Biodiversity study area
    BA=Bajada Arroyos           CA=CC,CG,CS sites    GA=GB,GI,GS sites
    BF=Bajada Alluvial Fans     CC=Creosote-Caliche  GB=Grassland-Basin
    BS=Basin Swales and Slopes  CG=Creosote-Gravel   GI=Grassland-IBPE
                                CS=Creosote-Sand     GS=Grassland-Summerford
                                CSx=Creosote-Small   GX=Grassland-Small Mammal Exclosure
                                    Mammal Exclosure

    MA=MN,MR,MW sites             PA=PC,PS,PT sites     TA=TE,TT,TW sites
    MN=Mesquite-North             PC=Playa-College      TE=Tarbush-East
    MR=Mesquite-Rabbit Rain Gage  PS=Playa-Small        TT=Tarbush-Taylor Well
    MS=Mountain Slopes            PT=Playa-Tobosa Tank  TW=Tarbush-West
    MW=Mesquite-West Well         RS=road sides

?/  Period of most active growth/flowering - WI = Winter; SP = Spring; SU = Summer
+/  Carbon reduction pathway - PAR = parasite
#/  Status: NAT = native species; INTRO = introduced species.
!/  Nomenclature source:
    CJ(pg#) = Correll, D.S. and M.C. Johnston.  1970.  Manual of The Vascular
              Plants of Texas. Texas Research Foundation, Renner, TX. 1881 p.;
    KA(pg#) = Allred, K. W. 1993. A Field Guide to the Grasses of New Mexico.
              Department of Agricultural Communications, NMSU, Las Cruces, NM.
              259p.
    KP(pg#) = Kearney, T.H. and R.H. Peebles. 1964. Arizona flora. Univ. of
              California Press, Berkely, CA. 1085 p.

=/  Collectors and Collection Numbers - L = John Ludwig;
    P = LTER Project collection; S = Richard Spellenberg; W = Paul Whitson

********************  BEGIN CHANGE LOG ********************
[all changes by John Anderson unless otherwise noted]

DATE       CHANGE
02/13/91   ADDED    Chenopodium atrovirens
                    Talinum aurantiacum

09/26/91   ADDED    Acanthochiton wrightii
                    Chamaesaracha coronopus
                    Hymenopappus flavescens var. cano-tomentosus
                    Lepidium montanum var. angustifolium
                    Leptochloa viscida
                    Linum vernale
                    Panicum fasciculatum
                    Portulaca retusa
                    Sphaeralcea coccinea

10/18/94   ADDED    Astragalus crassicarpus
                    Caesalpinia jamesii
                    Desmanthus cooleyi
                    Eriogonum annuum
                    Erysimum capitatum
                    Helianthus petiolaris
                    Machaeranthera pinnatifida
           CHANGED  Perennial to Annual
                       Chloris virgata
                       Proboscidea parviflora
                    Annual to Perennial
                       Enneapogon desvauxii

11/14/94   CHANGED  Coryphantha macromeris (Engelm.) Lem.
                TO  Coryphantha macromeris (Engelm.) Britt. & Rose
           CHANGED  Coryphantha vivipara (Engelm.) L. Benson
                TO  Coryphantha vivipara (Nutt.) Britt. & Rose
           CHANGED  Mammillaria wrightii (Engelm.) Britt. & Rose
                TO  Mammillaria wrightii Engelm.
           CHANGED  Opuntia imbricata (How.) DC
                TO  Opuntia imbricata (Haw.) DC
           These changes as per Correll & Johnston.

12/07/94   Due to changes in grass systematics, the source for grass
           nomenclature is
     CHANGED FROM
              Correll, D.S. and M.C. Johnston. 1970. Manual of the
               Vascular Plants of Texas. Texas Research Foundation,
               Renner, TX.  1881 p.
          TO
                Allred, Kelly W.  A Field Guide to the Grasses of
               New Mexico.  NMSU, Department of Agricultural
               Communications, Las Cruces, NM. 259 p.

           This has resulted in the following changes being made:

              code  species
     CHANGED  ARGL  Aristida glauca (Nees) Walp.
          TO  ARNE  A. purpurea Nutt. var. nealleyi (Vasey) Allred
     CHANGED  ARHA  Aristida hamulosa Henr.
          TO  ARHA  A. ternipes Cav.var. hamulosa (Herrard) Trent
     CHANGED  ARLO  Aristida longiseta Steud.
          TO  ARLO  A. purpurea Nutt. var. longiseta (Steud) Vasey
     CHANGED  ARPU  Aristida purpurea Nutt.
          TO  ARPU  A. purpurea Nutt. var. purpurea
     CHANGED  ARTE  Aristida ternipes Cav.
          TO  ARTE  A. ternipes Cav. var. ternipes
     CHANGED  ARWR  Aristida wrightii Nash.
          TO  ARWR  A. purpurea Nutt. var. wrightii (Nash) Allred
     CHANGED  BOSA  Bothriochloa saccaroides (Sw.) Rydb.
          TO  BOTO  B. laguroides (DC.) Herter subsp. Torreyana (Steud.)
                    Allred & Gould

12/07/94 (Continued)
     CHANGED  ERAR  Eragrostis arida Hitchc.
          TO  ERMI  E. pectinacea (Michx.) Nees var. miserrima
                    (Fourn.) J.Reeder
     CHANGED  ERPU  Erioneuron pulchellum (HBK) Takeoka
          TO  DAPU  Dasyochloa pulchella (H.B.K.) A.S. Hitchc.
     CHANGED  HIMU  Hilaria mutica (Buckl.) Benth.
          TO  PLMU  Pleuraphis mutica Buckley
     CHANGED  PAFA  Panicum fasciculatum SW.
          TO  BRFA  Brachiaria fasciculata (S.W.) Parodi
     CHANGED  PAHI  Panicum hallii Vasey
          TO  PAHI  Panicum hallii Vasey var. hallii
     CHANGED  POFE  Poa fendleriana Vasey
          TO  POFE  Poa fendleriana (Steud.) Vasey subsp. fendleriana
     DELETED  SEMA  Setaria macrostachya HBK
                       This species deleted from species list as it does
                       not occur in Dona Ana county as per Allred.

05/04/95   ADDED    Sophora nuttalliana
                       Historically misidentified as Sphaerophysa salsula
                    Townsendia annua

05/29/95   ADDED    Hoffmanseggia drepanocarpa
                       Identified as H. glauca previously.

11/05/95   ADDED    Brachiaria arizonica

12/05/96   ADDED    Corispermum nitidum
                    Iva dealbata
                    Machaeranthera linearis

06/04/96   ADDED   Aristida pansa var. dissita
                   Aristida pansa var. pansa

08/29/96   ADDED   Eragrostis pectinacea var. pectinacea

09/13/96   ADDED   Palafoxia sphacelata

10/28/96   ADDED   Allionia choisyi
                   Amaranthus crassipes
                   Coryphantha scheeri
                   Dyssodia pentachaeta

01/24/97   ADDED   Ambrosia acanthicarpa
                   Asclepias nyctaginifolia (A. nyctaginifolia if found in western states.
                      A. oenotheroides is found in Great Plains.  These two meet in N.M.; may be
                      same species as suggested by Kelly Allred.  More characteristics match
                      A. nyctaginifolia than for A. oenotheroides.)

07/13/97   ADDED   Boerhavia wrightii

10/08/97   ADDED   Mammillaria grahamii (I.d. by Paul Hyder for Chris McGlone in spring 1997;       = M. microcarpa in Allred's A Field Guide to the Flora of the Jornada Plain)

10/10/97   ADDED   Phacelia intermedia

03/31/98  1COMMENT According to Dr. Richard Spellenberg the distinction between Gilia mexicana, G. flavocincta (also called G. opthalmoides), and G. sinuata is not easily made with the references we have available to us.  Characters such as (1)stems clasping vs. not, (2)leaves reduces above rosette immediately or gradually, and (3)the extent to which the corolla tube is exerted beyond the calyx are highly variable and do not distinguish the species.  A taxonomic review needs to be done on this group, and until then, Dr. Spellenberg suggests we just refer to them as the Gilia sinuata group, which includes these 3 potential species.  Based on this recommendation, Gilia spp. will in the future be identified as Gilia sinuata with the understanding that it refers to the G. sinuata group. [See Comment of 01/24/07 below.(JPA)]


04/09/98   ADDED   Aristida havardii
                   Bothriochloa springfieldii
                   Dalea scoparia
                   Phaseolus atropurpureus [12/11/09: corrected to P. acutifolius per i.d. by K. Allred.]
                   Muhlenbergia arenicola
                   Oenothera scapoidea
                   Petalostemum compactum
                   Selinocarpus diffusus

04/23/99   ADDED   Hedyotis humifusa.  This is very common right now in USDA JER Pasture 13.
                   Voucher specimens have been collected by Chris McGlone.

08/02/99   ADDED   As per voucher collections compiled by Chris McGlone
                   Chenopodium cycloides
                   Mirabilis linearis
                   Portulaca suffrutescens
                   Tragopogon dubius

08/28/99   ADDED   As per voucher collections compiled by Chris McGlone
                   Amsonia arenaria
                   Avena fatua
                   Bothriochloa ischaemum
                   Cenchrus incertus
                   Cevallia sinuata
                   Euphorbia parryi
                   Froelichia arizonica
                   Garrya wrightii
                   Heliotropium greggii
                   Morus microphylla
                   Penstemon ambiguus
                   Phyla incisa
                   Schismus arabicus
                   Selenia dissecta
                   Sporobolus giganteus
                   Sporobolus pulvinatus
                   Thelesperma megapotamicum
                   Verbena bracteata
                   Viguiera dentata
                   Xanthocephalum texanum

09/01/99   ADDED   As per extensive field and herbarium work by Chris McGlone with verification by
      Rich Spellenberg:
      Lycium berlandieri

09/09/99   ADDED   Gilia sinuata Dougl. As per comment above dated 03/31/98.

09/09/99           See Comment of 03/31/98 above. [See Comment of 01/24/07 below.(JPA)]
     CHANGED  GIME  Gilia mexicana A.&V. Grant
          TO  GISI  G. sinuata Dougl.
     CHANGED  GIFL  Gilia flavocincta A. Nels. ssp. australis V. Grant
          TO  GISI  G. sinuata Dougl.

09/17/99   ADDED   As per voucher collected by Stephanie Richmond:
                   Tridens muticus

09/27/99   ADDED   As per voucher collected by Chris McGlone:
                   Heliotropium convolvulaceum

12/14/99   DELETED  OESC (Oenothera scapoidea Nutt.) as per annotation of voucher specimen by
                         Kelly Allred.  Allred thinks specimen was browsed by animal which
                         resulted in abnormal growth form similar to O. scapoidea.  Voucher is
                         Camissonia chamaenerioides (Gray) Raven.
12/22/99   ADDED   Kuhnia chlorolepis (as per voucher collected by Chris McGlone)
                   Viguiera annua (as per voucher collected by Chris McGlone)

02/16/00   CHANGED SEDI to SEDS for Selenia dissecta T.&G. (Cruc.) because of conflict with
                         existing code. (John Anderson)
04/01/02   ADDED   Helianthus annuus (based on one observation by David & Karen Lightfoot during
                         Spring 1990 NPP measurements at LTER NPP site, G-SUMM. Individual was not
                         flowering.)
06/13/02   ADDED   Chrysothamnus pulchellus (John Anderson as per Mary Lucero of Jornada
                   Experimental Range)
09/23/02   ADDED   Pectis prostrata (Collected at P-SMAL by Michelle Buonopane.
                   I.d. by Justin Van Zee.
                   I.d. confirmed by John Anderson using Biology Herbarium vouchers.
11/27/02   DELETED Oenothera species  (Onag.) coded as OESP.  Unknown genus have been
                   standardized to first four letters of genus followed by sequence number
                   (usually 1) to identify it as an unknown.  These codes are no longer embedded
                   in the plant species list.
04/15/03   ADDED   Phacelia integrifolia (Voucher collected in channel by Biodiversity study
                      parking lot by Michelle Buonopane.
                   Vicia ludoviciana (Voucher collected in channel by Biodiversity study
                      parking lot by Michelle Buonopane.
05/08/03   ADDED   Rumex hymenosepalus as per Michelle Buonopane. Identified during Biodiversity
                      Vegetation Transects, Spring 2003. Unable to collect voucher as there was only
                      one plant found and it was in a quad. I.d. based on flowering stage as well as
                      later fruiting stage. A digital photo was taken also.
03/16/04   CHANGED Carbon pathway from C4 to C3 for Vulpia octoflora (Walt.) Rydb. as noted on page 69 of Cornelius, Joe M., Paul R. Kemp, John A. Ludwig, and Gary L. Cunningham. 1991. The distribution of vascular plant species and guilds in space and time along a desert gradient. Journal of Vegetation Science 2: 59-72.
11/04/04   ADDED   Aristida purpurea Nutt. var. perplexa as per Jaime Lamit. Voucher in LTER herbarium. Not uncommon at grassland Small Mammal Exclosure Study area in Jornada Experimental Range, Pasture 9.
05/10/05   ADDED   Phacelia popei T.&G. (Hydro.). Common at T-WEST in Spring 2005. I.D. confirmed by Kelly Allred of NMSU, Animal & Range Sciences Dept. Voucher provided to Allred. Voucher to be placed in LTER herbarium.
06/16/06   ADDED   Ipomopsis pumila Nutt. V. Grant. (Polemon.). Occurred at T-WELL in Spring 2005. I.D. by Dr. Kelly Allred of NMSU, Animal & Range Sciences Dept.
10/26/06   ADDED   Echinochloa colonum (L.) Link. Collected at P-COLL between NPP quads 15 and 16 on Oct 16, 2006, by Clayton Crowder and identified by Kelly Allred of NMSU, Animal & Range Sciences Dept. The specimen collected on which i.d. is based will be placed in the LTER herbarium.
01/22/07   ADDED   Cryptantha pusilla (T.&G.) Greene (Borag.). Occurred at T-WEST in Spring 2005. Voucher collected 5/19/05 by Jamie Lamit and placed in LTER herbarium. Identification by Richard Spellenberg of NMSU, Biology Dept.
01/23/07           Corrected page formatting. [JPA]
01/24/07   CHANGE  The 3 species of Gilia (G. sinuate, G. Mexicana, G. flavocincta) were all lumped as G. sinuate beginning in 1998. See change entries above dated 03/31/98 and 09/09/99. However, the field key to these 3 species is now thorough enough to identify the 3 individual species. This has been verified with Dr. Richard Spellenber. As a result, the GISI code used for the 3 species is now changed to represent the individual species as given below. The expanded field key used is that found in Kelly Allred's "A Field Guide to the Flora of the Jornada Plain", Fifth Edition, June 2005.
           CHANGED  GISI  G. sinuata Dougl.
                TO  GIME  Gilia mexicana A.&V. Grant
           CHANGED  GISI  G. sinuata Dougl.
                TO  GIFL  Gilia flavocincta A. Nels. ssp. australis V. Grant
02/08/07   ADDED    Hordeum murinum L. subsp. glaucum (Steud.) Tsvelev. Identified by Kelly Allred of NMSU, Animal & Range Sciences Dept. Very common in Rio Grande valley but not previously listed for the Jornada Basin. Noted to occur at NPP site C-GRAV, Quad 15 on February 6, 2007.
02/11/07   CHANGED  Hordeum murinum: Updated information per Kelly Allred. This is a cool season grass (C3) typically flowering February-April, but sometimes as early as December as as late as May, depending on temperature and precipitation. (JPA
03/26/07   CHANGED  Poa fendleriana (Steud.) Vasey subsp. Changed carbon pathway from C4 to C3 per Kelly Allred. All Poa genera are C3. The error was identified by Karen Brown of LANL on 3/26/07.
04/03/07   ADDED    Linaria texana Scheele. Collected 3/29/07 by Chandra Tucker-Britt next to LTER-I Control Transect path between stations C81 & C 84 adjacent to LTER NPP G-SUMM site. Identification by Kelly Allred of NMSU, Animal & Range Sciences Dept.
04/03/07   ADDED    Cryptantha barbigera (Gray) Greene. Collected outside LTER T-TAYL NPP site by Louis Lamit in May 2005. Identification by Kelly Allred of NMSU, Animal & Range Sciences Dept.
11/19/07   CHANGED  Changed spelling of Solanum elaegnifolium to Solanum elaeagnifolium
12/14/07   ADDED    Anoda cristata (L.) Schlecht. Collected 9/1/06 by Dara Parker at G-SUMM site. ID verified by Kelly Allred.
04/10/08   CHANGED  Changed spelling of Oenothera primaveris to Oenothera primiveris
03/25/09   ADDED    Dyssodia papposa (Vent.) Hitchc. Collected by Stephanie Baker between T-EAST exclosure and Jornada Road from fall 2008.
12/08/09   ADDED    Phaseolus wrightii Gray. Photographed and vegetative segment with fruit collected (for later i.d.) 10/27/2009 on LTER-I Transect Station T87 plant line transect in EPTR. No voucher collected. Identification by Kelly Allred on 12/7/09. Newer authority makes it P. filiformis, but retaining nomenclature by Correll & Johnston, it remains P. wrightii.
12/11/09   CHANGED  Changed Phaseolus atropurpureus DC. to P. acutifolius Gray var. acutifolius based on identification by Kelly Allred on 12/11/09.
09/11/10   DELETED  Chenopodium atrovirens Rydb. (Cheno.) CHAT   A   FORB  PC   SP-SU   C3    NAT  CJ 535 From Key to the Flora of the Jornada Basin by Kelly Allred: "Earlier reports of Chenopodium atrovirens from the plains area were in error; that is a species of middle- to upper elevations in the mountains."
09/11/10   CHANGED      Changed spelling of Descurainea pinnata to Descurainia pinnata.
09/12/10   DELETED  Euphorbia species  EUSP   A   FORB  BS       SU   C4    NAT  CJ 955
                    This is no longer a valid code for an unknown Euphorbia species.
09/12/10   CHANGED  Changed spelling from Gallium microphyllum to Galium microphyllum.
09/13/10   DELETED  Chenopodium cycloides A. Nels.   CHCY   A   FORB  MR     SU    .    NAT  CJ 534
                    Per Kelly Allred (9/13/10), this species should not be here. It "is found in a few localities in the northeastern plains."
09/13/10   DELETED  Condalia spathulata Gray (Rham.) COSP   P  SHRUB  BF     SU   C3    NAT  CJ1014
                    Per Kelly Allred (9/13/10), this species does not occur in NM. Previously identified C. spathulata should be C. warnockii.
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