Pat Hills Desert Grassland

Authors: Chris Roll

Citation: This checklist has evolved from a list reported by the author in "Vascular Plants of the Pat Hills Desert Grassland, Southeast Arizona." Phytoneuron 2020-44: 1-14. Vouchers are deposited at the University of Arizona Herbarium.

more detail

Families: 74

Genera: 292

Species: 481

Total Taxa: 484

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ACANTHACEAE

Anisacanthus thurberi (Torr.) A. Gray - Thurber's Desert-Honeysuckle

C.M. Roll 2957 [SEINet], C.M. Roll 2879 [SEINet]

Carlowrightia arizonica A. Gray - Arizona Wrightwort

C.M. Roll 170 [SEINet], C.M. Roll 357 [SEINet]

AIZOACEAE

Trianthema portulacastrum L. - Desert Horse-Purslane

C.M. Roll 715 [SEINet], C.M. Roll 945 [SEINet], C.M. Roll 1590 [SEINet]

AMARANTHACEAE

Alternanthera caracasana Kunth - Washer-Woman

C.M. Roll 608 [SEINet], C.M. Roll 904 [SEINet], C.M. Roll 1503 [SEINet]

Amaranthus blitoides S. Watson - Mat Amaranth

C.M. Roll 2525 [SEINet], C.M. Roll 2521 [SEINet]

Amaranthus palmeri S. Watson - Careless Weed

C.M. Roll 884 [SEINet], C.M. Roll 2015-07-23 [SEINet], C.M. Roll 821 [SEINet], C.M. Roll 548 [SEINet]

Atriplex canescens (Pursh) Nutt. - Four-Wing Saltbush

C.M. Roll 199 [SEINet], C.M. Roll 175 [SEINet]

Atriplex elegans (Moq.) D. Dietr. - wheelscale saltbush

C.M. Roll 1246 [SEINet], C.M. Roll 823 [SEINet], C.M. Roll 753 [SEINet]

Atriplex wrightii S. Wats. - Wright's Saltbush

C.M. Roll 749 [SEINet], C.M. Roll 2877 [SEINet]

Chenopodium berlandieri Moq. - Pit-Seed Goosefoot

C.M. Roll 1435 [SEINet], C.M. Roll 2339 [SEINet]

Chenopodium desiccatum A. Nels. - Arid-Land Goosefoot

C.M. Roll 853 [SEINet]

Chenopodium fremontii S. Watson - Fremont's Goosefoot

C.M. Roll 1218 [SEINet], C.M. Roll 1440 [SEINet], C.M. Roll 751 [SEINet], C.M. Roll 1261 [SEINet], more...

Chenopodium incanum (S. Watson) A. Heller - Mealy Goosefoot

C.M. Roll 468 [SEINet], C.M. Roll 387 [SEINet], C.M. Roll 412 [SEINet]

Chenopodium incanum var. elatum Crawford - mealy goosefoot

Roll, Chris 2015-05-12 [SDSU], Roll, Chris 1055-10 [SDSU]

Chenopodium leptophyllum (Moq.) Nutt. ex S. Wats. - Narrow-Leaf Goosefoot

C.M. Roll 410 [SEINet], C.M. Roll 1245 [SEINet], C.M. Roll 1458 [SEINet]

Chenopodium neomexicanum Standl. - New Mexico Goosefoot

C.M. Roll 1288 [SEINet], C.M. Roll 470 [SEINet]

Chenopodium watsonii A. Nels. - Watson's Goosefoot

C.M. Roll 1313 [SEINet], C.M. Roll 1316 [SEINet], C.M. Roll 1055 [SEINet]

Froelichia arizonica Thornb. ex Standl. - Arizona Snake-Cotton

C.M. Roll 637 [SEINet], C.M. Roll 695 [SEINet]

Gomphrena caespitosa Torr. - Tufted Globe-Amaranth

C.M. Roll 225 [SEINet]

Gomphrena nitida Rothr. - Pearly Globe-Amaranth

C.M. Roll 937 [SEINet], C.M. Roll 860 [SEINet], C.M. Roll 762 [SEINet]

Guilleminea densa (Humb. & Bonpl. ex Willd.) Moq. - Small Matweed

C.M. Roll 341 [SEINet], C.M. Roll 415 [SEINet], C.M. Roll 415 [SEINet]

Kochia scoparia (L.) Schrad. - Mexican-Fireweed

C.M. Roll 2274 [SEINet], C.M. Roll 2880 [SEINet]

Krascheninnikovia lanata (Pursh) A.D.J. Meeuse & Smit - winterfat

C.M. Roll 1003 [SEINet], C.M. Roll 2015-05-06 [SEINet], C.M. Roll 461 [SEINet]

Monolepis nuttalliana (Schult.) Greene - Nuttall's Poverty-Weed

C.M. Roll 1691 [SEINet], C.M. Roll 2015-04-18 [SEINet], C.M. Roll 1768 [SEINet], C.M. Roll 1917 [SEINet], more...

Salsola tragus L. - Prickly Russian-Thistle

C.M. Roll 380 [SEINet]

Tidestromia lanuginosa (Nutt.) Standl. - Woolly Honeysweet

C.M. Roll 921 [SEINet], C.M. Roll 645 [SEINet], C.M. Roll 2015-05-23 [SEINet]

AMARYLLIDACEAE

Allium kunthii G. Don - Kunth's Onion

C.M. Roll 769 [SEINet], C.M. Roll 2210 [SEINet]

Zephyranthes longifolia Hemsl. - Long-Leaf Copper-Lily

C.M. Roll 439 [SEINet]

APIACEAE

Cymopterus multinervatus (Coult. & Rose) Tidestrom - Purple-Nerve Venus-Parsley

C.M. Roll 1702.1 [SEINet], C.M. Roll 1 [SEINet]

Daucus pusillus Michx. - American Wild Carrot

C.M. Roll 307 [SEINet], C.M. Roll 2872 [SEINet]

Eryngium heterophyllum Engelm. - Wright's Eryngo

C.M. Roll 2015-11-21 [SEINet], C.M. Roll 1399 [SEINet]

Lomatium nevadense (S. Wats.) Coult. & Rose - Nevada Desert-Parsley

C.M. Roll 2847 [SEINet]

Lomatium orientale Coult. & Rose - Oriental Desert-Parsley

C.M. Roll 2668 [SEINet], C.M. Roll 2537 [SEINet], C.M. Roll 2581 [SEINet], C.M. Roll 1863 [SEINet]

Spermolepis lateriflora G.L. Nesom - Rillito Valley Scaleseed

C.M. Roll 209 [SEINet], C.M. Roll 47 [SEINet], C.M. Roll 203 [SEINet]

APOCYNACEAE

Asclepias asperula (Decne.) Woodson - Spider Antelope-Horns

C.M. Roll 456 [SEINet], C.M. Roll 2015-06-09 [SEINet]

Asclepias brachystephana Engelm. ex Torr. - Short-Crown Milkweed

C.M. Roll 835 [SEINet], C.M. Roll 247 [SEINet]

Asclepias nummularia Torr. - Tufted Milkweed

C.M. Roll 1963 [SEINet], C.M. Roll 635 [SEINet]

Asclepias nyctaginifolia A. Gray - Mojave Milkweed

C.M. Roll 3093 [SEINet], C.M. Roll 2820 [SEINet]

Asclepias subverticillata (A. Gray) Vail - Horsetail Milkweed

C.M. Roll 927 [SEINet], C.M. Roll 422 [SEINet], C.M. Roll 394 [SEINet], C.M. Roll 654 [SEINet]

Asclepias uncialis Greene - Wheel Milkweed

C.M. Roll 1987 [SEINet], C.M. Roll 1860 [SEINet]

Funastrum crispum (Benth.) Schlechter - Wavy-Leaf Twinevine

C.M. Roll 251 [SEINet]

Funastrum hartwegii (Vail) Schltr. - climbing milkweed

C.M. Roll 401 [SEINet]

Mandevilla brachysiphon (Torr.) Pichon - Huachuca Mountain rocktrumpet

C.M. Roll 253 [SEINet], C.M. Roll 588 [SEINet]

ARACEAE

Lemna minor L. - Common Duckweed

C.M. Roll 1350 [SEINet], C.M. Roll 1036 [SEINet]

ARISTOLOCHIACEAE

Aristolochia watsonii Woot. & Standl. - Watson's Dutchman's-Pipe

C.M. Roll 139 [SEINet], C.M. Roll 1958 [SEINet]

ASPARAGACEAE

Agave palmeri Engelm. - Palmer's Century-Plant

C.M. Roll 2015-05-06 [SEINet], C.M. Roll 810 [SEINet]

Agave parryi Engelm. - Parry's Century-Plant

Agave parryi var. huachucensis (Baker) Little

C.M. Roll 2072 [SEINet], C.M. Roll 284 [SEINet], C.M. Roll 2065 [SEINet]

Dasylirion wheeleri S. Watson - Common Sotol

C.M. Roll 270 [SEINet]

Dichelostemma capitatum (Benth.) Alph. Wood - Bluedicks

C.M. Roll 42 [SEINet]

Echeandia flavescens (Schult. & Schult. f.) Cruden - Torrey's Crag-Lily

C.M. Roll 633 [SEINet]

Yucca elata (Engelm.) Engelm. - Soaptree Yucca

C.M. Roll 335 [SEINet], C.M. Roll 2105 [SEINet]

ASTERACEAE

Acourtia nana (A. Gray) Reveal & R. M. King - Dwarf Desert-Peony

C.M. Roll 146 [SEINet], C.M. Roll 1943 [SEINet]

Acourtia wrightii (A. Gray) Reveal & R. M. King - Brownfoot

C.M. Roll 158 [SEINet], C.M. Roll 105 [SEINet]

Almutaster pauciflorus (Nutt.) A.& D. Löve - Marsh-Aster

C.M. Roll 1251 [SEINet], C.M. Roll 630 [SEINet], C.M. Roll 1500 [SEINet], C.M. Roll 912 [SEINet]

Ambrosia confertiflora DC. - Weak-Leaf Burr-Ragweed

C.M. Roll 1455 [SEINet], C.M. Roll 1326 [SEINet], C.M. Roll 657 [SEINet], C.M. Roll 1449 [SEINet], more...

Ambrosia monogyra (Torr. & A. Gray) Strother & B.G.Baldwin - Needle-Leaf Burrobush

C.M. Roll 1622 [SEINet], C.M. Roll 1066 [SEINet], C.M. Roll 2015-11-21 [SEINet]

Artemisia dracunculus L. - Dragon Wormwood

C.M. Roll 1999 [SEINet], C.M. Roll 2257 [SEINet]

Artemisia ludoviciana Nutt. - White Sagebrush

C.M. Roll 2015-04-29 [SEINet], C.M. Roll 1537 [SEINet], C.M. Roll 839 [SEINet], C.M. Roll 1551 [SEINet]

Baccharis pteronioides DC. - Yerba-de-Pasmo

C.M. Roll 109 [SEINet]

Baccharis salicifolia (Ruiz & Pav.) Pers. - Douglas' False Willow

C.M. Roll 1639 [SEINet], C.M. Roll 2015-11-21 [SEINet], C.M. Roll 1591 [SEINet]

Baccharis sarothroides A. Gray - Rosinbush

C.M. Roll 2015-05-20 [SEINet], C.M. Roll 1185 [SEINet]

Baccharis wrightii A. Gray - Wright's False Willow

C.M. Roll 1962 [SEINet], C.M. Roll 1257 [SEINet], C.M. Roll 2057 [SEINet], C.M. Roll 1803 [SEINet]

Bahia absinthifolia Benth. - Hairy-Seed False Goldfields

C.M. Roll 73 [SEINet]

Baileya multiradiata Harv. & A. Gray - Showy Desert-Marigold

C.M. Roll 129 [SEINet]

Berlandiera lyrata Benth. - Lyre-Leaf Greeneyes

C.M. Roll 928 [SEINet], C.M. Roll 1939 [SEINet]

Bidens leptocephala Sherff - Few-Flower Beggarticks

C.M. Roll 746 [SEINet], C.M. Roll 1521 [SEINet], C.M. Roll 887 [SEINet], C.M. Roll 746 [SEINet]

Brickellia californica (Torr. & A. Gray) A. Gray - California Brickellbush

C.M. Roll 1351 [SEINet], C.M. Roll 1148 [SEINet], C.M. Roll 1064 [SEINet]

Brickellia coulteri A. Gray - Coulter's Brickellbush

C.M. Roll 540 [SEINet], C.M. Roll 1138 [SEINet]

Brickellia eupatorioides (L.) Shinners - False Boneset

C.M. Roll 1174 [SEINet], C.M. Roll 381 [SEINet]

Brickellia floribunda A. Gray - Chihuahuan Brickellbush

C.M. Roll 2460 [SEINet], C.M. Roll 1615 [SEINet]

Brickellia venosa (Woot. & Standl.) B.L. Robins. - Veiny Brickellbush

C.M. Roll 1133 [SEINet], C.M. Roll 886 [SEINet], C.M. Roll 371 [SEINet]

Calycoseris wrightii A. Gray - White Tackstem

C.M. Roll 224 [SEINet], C.M. Roll 306.1 [SEINet]

Chaenactis stevioides Hook. & Arn. - Broad-Flower Pincushion

C.M. Roll 55 [SEINet]

Chaetopappa ericoides (Torr.) G.L. Nesom - Rose-Heath

C.M. Roll 77 [SEINet], C.M. Roll 153 [SEINet]

Cirsium neomexicanum A. Gray - New Mexico Thistle

C.M. Roll 242 [SEINet]

Cirsium ochrocentrum A. Gray - Yellow-Spine Thistle

C.M. Roll 352 [SEINet], C.M. Roll 930 [SEINet]

Conyza canadensis (L.) Cronquist - Canadian Horseweed

C.M. Roll 2015-05-20 [SEINet], C.M. Roll 880 [SEINet]

Diaperia verna (Raf.) Morefield - Spring Pygmy-Cudweed

C.M. Roll 2932 [SEINet], C.M. Roll 2948 [SEINet]

Dyssodia papposa (Vent.) Hitchc. - Fetid-Marigold

C.M. Roll 1592 [SEINet], C.M. Roll 918 [SEINet], C.M. Roll 1247 [SEINet]

Ericameria laricifolia (A. Gray) Shinners - Turpentine-Bush

C.M. Roll 2015-05-20 [SEINet], C.M. Roll 1547 [SEINet]

Ericameria nauseosa (Pall. ex Pursh) G. L. Nesom & G. I. Baird - Rubber-Rabbitbrush

C.M. Roll 1635 [SEINet]

Erigeron arisolius G.L. Nesom - Arid Throne Fleabane

C.M. Roll 1512 [SEINet], C.M. Roll 632 [SEINet], C.M. Roll 446 [SEINet], C.M. Roll 504 [SEINet], more...

Erigeron decrescens G.L. Nesom & C. Roll

C.M. Roll 2897 [SEINet], C.M. Roll 2920 [SEINet], C.M. Roll 2946 [SEINet], C.M. Roll 2937 [SEINet], more...

Erigeron divergens Torr. & A. Gray - Spreading Fleabane

C.M. Roll 48 [SEINet], C.M. Roll 2959 [SEINet], C.M. Roll 374 [SEINet], C.M. Roll 2947 [SEINet], more...

Erigeron incomptus - Rough Fleabane

C.M. Roll 2888 [SEINet]

Erigeron tracyi Greene - Running Fleabane

C.M. Roll 1293 [SEINet]

Flourensia cernua DC. - American Tarwort

C.M. Roll 275 [SEINet], C.M. Roll 1612 [SEINet]

Gaillardia pulchella Foug. - Firewheel

C.M. Roll 65 [SEINet]

Gamochaeta stagnalis (I.M.Johnst.) Anderb. - Thread-Root Everlasting

C.M. Roll 2856 [SEINet], C.M. Roll 2570 [SEINet], C.M. Roll 2624 [SEINet]

Grindelia nuda Wood - curlytop gumweed

Grindelia nuda var. aphanactis (Rydb.) G.L. Nesom - curlytop gumweed

C.M. Roll 911 [SEINet]

Gutierrezia sarothrae (Pursh) Britton & Rusby - Kindlingweed

C.M. Roll 1370 [SEINet], C.M. Roll 1274 [SEINet], C.M. Roll 389 [SEINet]

Hedosyne ambrosiifolia (A. Gray) Strother - Ragged Marsh-Elder

C.M. Roll 567 [SEINet], C.M. Roll 1571 [SEINet], C.M. Roll 567 [SEINet]

Helianthus petiolaris Nutt. - Prairie Sunflower

C.M. Roll 282 [SEINet]

Heliomeris longifolia (Robins. & Greenm.) Cockerell - Long-Leaf False Goldeneye

C.M. Roll 1277 [SEINet], C.M. Roll 1035 [SEINet], C.M. Roll 1212 [SEINet], C.M. Roll 933 [SEINet]

Heterotheca subaxillaris (Lam.) Britton & Rusby - Camphorweed

C.M. Roll 872 [SEINet]

Hymenothrix wislizeni A. Gray - Trans-Pecos Thimblehead

C.M. Roll 507 [SEINet], C.M. Roll 889 [SEINet]

Isocoma tenuisecta Greene - Shrine Jimmyweed

C.M. Roll 688 [SEINet], C.M. Roll 1448 [SEINet], C.M. Roll 2015-05-20 [SEINet], C.M. Roll 1279 [SEINet]

Lactuca serriola L. - Prickly Lettuce

C.M. Roll 301 [SEINet]

Laennecia coulteri (A. Gray) G.L. Nesom - Coulter's Woolwort

C.M. Roll 464 [SEINet], C.M. Roll 881 [SEINet], C.M. Roll 731 [SEINet]

Laennecia sophiifolia (Kunth) G.L. Nesom - Cut-Leaf Woolwort

C.M. Roll 1266 [SEINet], C.M. Roll 2712 [SEINet], C.M. Roll 619 [SEINet]

Layia glandulosa (Hook.) Hook. & Arn. - White Tidytips

C.M. Roll 4055 [SEINet]

Leuciva dealbata (A. Gray) Rydb. - False Cottonweed

C.M. Roll 2759 [SEINet], C.M. Roll 2594 [SEINet], C.M. Roll 2778 [SEINet], C.M. Roll 2734 [SEINet]

Logfia filaginoides (Hook. & Arn.) Morefield - California False Cotton-Rose

C.M. Roll 1812 [SEINet], C.M. Roll 2595 [SEINet], C.M. Roll 2621 [SEINet], C.M. Roll 2574 [SEINet], more...

Machaeranthera tagetina Greene - Mesa Tansy-Aster

C.M. Roll 847 [SEINet]

Machaeranthera tanacetifolia (Kunth) Nees - Takhoka Daisy

C.M. Roll 976 [SEINet], C.M. Roll 385 [SEINet], C.M. Roll 1421 [SEINet]

Malacothrix fendleri A. Gray - Fendler's Desert-Dandelion

C.M. Roll 117 [SEINet], C.M. Roll 1792 [SEINet], C.M. Roll 28 [SEINet]

Parthenium incanum Kunth - Mariola

C.M. Roll 2015-06-09 [SEINet], C.M. Roll 494 [SEINet]

Pectis filipes Harvey & A. Gray - Five-Bract Chinchweed

C.M. Roll 659 [SEINet], C.M. Roll 1352 [SEINet]

Pectis papposa Harv. & A. Gray - Many-Bristle Chinchweed

C.M. Roll 2343 [SEINet], C.M. Roll 2280 [SEINet]

Pectis prostrata Cav. - Spreading Chinchweed

C.M. Roll 919 [SEINet], C.M. Roll 999 [SEINet], C.M. Roll 797 [SEINet]

Pseudognaphalium canescens (DC.) Anderb. - Wright's Rabbit-Tobacco

C.M. Roll 1026 [SEINet], C.M. Roll 1322 [SEINet], C.M. Roll 816 [SEINet]

Pseudognaphalium leucocephalum (A. Gray) A. Anderb. - White Rabbit-Tobacco

C.M. Roll 873 [SEINet], C.M. Roll 1319 [SEINet], C.M. Roll 878 [SEINet]

Pseudognaphalium stramineum (Kunth) W.A. Weber - Cotton-Batting-Plant

C.M. Roll 290 [SEINet], C.M. Roll 505 [SEINet], C.M. Roll 1377 [SEINet], C.M. Roll 1025 [SEINet], more...

Psilactis brevilingulata Schultz-Bip. ex Hemsl. - Trans-Pecos Bare-Ray-Aster

C.M. Roll 347 [SEINet], C.M. Roll 1371 [SEINet], C.M. Roll 407 [SEINet], C.M. Roll 347 [SEINet], more...

Psilactis gentryi (Standl.) D. Morgan - Mexican Bare-Ray-Aster

C.M. Roll 2724 [SEINet], C.M. Roll 1391 [SEINet]

Ratibida columnifera (Nutt.) Wooton & Standl. - Red-Spike Mexican-Hat

C.M. Roll 452 [SEINet]

Sanvitalia abertii A. Gray - Albert's Creeping-Zinnia

C.M. Roll 767 [SEINet]

Schkuhria pinnata (Lam.) Kuntze ex Thell. - Feathery False Threadleaf

C.M. Roll 2818 [SEINet], C.M. Roll 2821 [SEINet]

Senecio flaccidus Less. - Thread-Leaf Ragwort

C.M. Roll 273 [SEINet], C.M. Roll 2199 [SEINet]

Sonchus asper (L.) Hill - Spiny-Leaf Sow-Thistle

C.M. Roll 198 [SEINet]

Stephanomeria exigua Nutt. - White-Plume Wire-Lettuce

C.M. Roll 228.1 [SEINet], C.M. Roll 1940 [SEINet]

Stephanomeria pauciflora (Torr.) A. Nels. - Brown-Plume Wire-Lettuce

C.M. Roll 449 [SEINet], C.M. Roll 953 [SEINet], C.M. Roll 122 [SEINet], C.M. Roll 1941 [SEINet], more...

Stephanomeria tenuifolia (Raf.) Hall - Lesser Wire-Lettuce

C.M. Roll 1982 [SEINet], C.M. Roll 1998 [SEINet]

Stylocline sonorensis Wiggins - Sonoran Neststraw

C.M. Roll 2854 [SEINet]

Thelesperma megapotamicum (Spreng.) Kuntze - Hopi-Tea

C.M. Roll 641 [SEINet], C.M. Roll 2005 [SEINet]

Thymophylla acerosa (DC.) Strother - American Pricklyleaf

C.M. Roll 1923 [SEINet]

Thymophylla pentachaeta (DC.) Small - fiveneedle pricklyleaf

C.M. Roll 204 [SEINet], C.M. Roll 184 [SEINet]

Thymophylla pentachaeta var. belenidium (DC.) Strother - fiveneedle pricklyleaf

C.M. Roll 1913 [SEINet]

Trixis californica Kellogg - American Threefold

C.M. Roll 236 [SEINet], C.M. Roll 266 [SEINet]

Uropappus lindleyi (DC.) Nutt. - Lindley's False Silverpuffs

C.M. Roll 1797 [SEINet], C.M. Roll 1835 [SEINet]

Verbesina encelioides (Cav.) Benth. & Hook. f. ex A. Gray - Golden Crownbeard

C.M. Roll 211 [SEINet]

Verbesina rothrockii B. L. Rob. & Greenm. - Rothrock's Crownbeard

C.M. Roll 2814 [SEINet]

Viguiera cordifolia A. Gray - Heart-Leaf Goldeneye

C.M. Roll 2015-11-21 [SEINet], C.M. Roll 898 [SEINet], C.M. Roll 1384 [SEINet], C.M. Roll 1002 [SEINet], more...

Xanthisma gracile (Nutt.) D.R.Morgan & R.L.Hartm. - Grass-Leaf Sleepy Daisy

C.M. Roll 791 [SEINet]

Xanthisma spinulosum (Pursh) D.R. Morgan & R.L. Hartman - Lacy Sleepy Daisy

C.M. Roll 74 [SEINet], C.M. Roll 2861 [SEINet], C.M. Roll 108 [SEINet], C.M. Roll 1341 [SEINet]

Xanthium strumarium L. - Rough Cockleburr

C.M. Roll 850 [SEINet], C.M. Roll 2015-05-20 [SEINet]

Zinnia acerosa (DC.) A. Gray - White Zinnia

C.M. Roll 118 [SEINet]

Zinnia grandiflora Nutt. - Little Golden Zinnia

C.M. Roll 157 [SEINet]

BIGNONIACEAE

Chilopsis linearis (Cav.) Sweet - Desert-Willow

C.M. Roll 2015-11-21 [SEINet], C.M. Roll 2101 [SEINet], C.M. Roll 777 [SEINet]

BIXACEAE

Amoreuxia palmatifida Moc. & Sessé ex DC. - Mexican Yellowshow

C.M. Roll 476 [SEINet]

BORAGINACEAE

Amsinckia tessellata A. Gray - Devil's-Lettuce

C.M. Roll 2868 [SEINet], C.M. Roll 2870 [SEINet]

Cryptantha crassisepala (Torr. & A. Gray) Greene - Thick-Sepal Cat's-Eye

C.M. Roll 1966 [SEINet], C.M. Roll 1767 [SEINet], C.M. Roll 50 [SEINet]

Cryptantha micrantha (Torr.) I.M. Johnston - Lesser Alley Cat's-Eye

C.M. Roll 113 [SEINet], C.M. Roll 1787 [SEINet], C.M. Roll 303 [SEINet], C.M. Roll 1720 [SEINet]

Cryptantha nevadensis A. Nels. & Kennedy - Nevada cryptantha

C.M. Roll 314 [SEINet]

Cryptantha pterocarya (Torr.) Greene - Wing-Nut Cat's-Eye

Cryptantha pterocarya var. cycloptera (Greene) J.F. Macbr. - Tuscon Cat's-Eye

C.M. Roll 130 [SEINet]

Eucrypta micrantha (Torr.) Heller - Dainty Desert Hideseed

C.M. Roll 2582 [SEINet]

Lappula occidentalis (S. Wats.) Greene - Flat-Spine Sheepburr

Lappula occidentalis var. cupulata (A. Gray) Higgins - flatspine stickseed

C.M. Roll 84 [SEINet]

Lappula occidentalis var. occidentalis (S. Watson) Greene - flatspine stickseed

C.M. Roll 2588 [SEINet]

Nama hispidum A. Gray - Sandbells

C.M. Roll 377 [SEINet], C.M. Roll 40 [SEINet]

Pectocarya platycarpa (Munz & I. M. Johnst.) Munz & I. M. Johnst. - Broad-Fruit Combseed

C.M. Roll 29 [SEINet], C.M. Roll 1747 [SEINet]

Pectocarya recurvata I.M. Johnston - Curve-Nut Combseed

C.M. Roll 1700 [SEINet], C.M. Roll 2576 [SEINet]

Phacelia arizonica A. Gray - Arizona Scorpion-Weed

C.M. Roll 60 [SEINet], C.M. Roll 43 [SEINet]

Phacelia crenulata Torr. ex S. Watson - Notch-Leaf Scorpion-Weed

C.M. Roll 228 [SEINet], C.M. Roll 131 [SEINet]

Plagiobothrys arizonicus (A. Gray) Greene ex A. Gray - Arizona Popcorn-Flower

C.M. Roll 1794 [SEINet], C.M. Roll 1721 [SEINet]

BRASSICACEAE

Descurainia pinnata (Walter) Britton - Western Tansy-Mustard

C.M. Roll 18 [SEINet]

Descurainia sophia (L.) Webb ex Prantl - Herb-Sophia

C.M. Roll 1726 [SEINet]

Draba cuneifolia Nutt. ex Torr. & A. Gray - wedgeleaf draba

C.M. Roll 2836 [SEINet], C.M. Roll 2843 [SEINet]

Hesperidanthus linearifolius (A. Gray) Rydb. - slimleaf plainsmustard

C.M. Roll 522 [SEINet]

Lepidium lasiocarpum Nutt. - Hairy-Pod Pepperwort

C.M. Roll 13 [SEINet]

Lepidium oblongum Small - Veiny Pepperwort

C.M. Roll 1805 [SEINet], C.M. Roll 1737 [SEINet]

Lepidium thurberi Wooton - Thurber's Pepperwort

C.M. Roll 24 [SEINet], C.M. Roll 392 [SEINet]

Lepidium virginicum L. - Poorman's-Pepperwort

C.M. Roll 1868 [SEINet], C.M. Roll 1829 [SEINet], C.M. Roll 1758 [SEINet], C.M. Roll 1838 [SEINet]

Physaria gordonii (A. Gray) O'Kane & Al-Shehbaz - Gordon's Bladderpod

C.M. Roll 5 [SEINet]

Planodes virginicum (L.) Greene - Virginia Winged Rockcress

C.M. Roll 2629 [SEINet], C.M. Roll 2592 [SEINet], C.M. Roll 1804 [SEINet], C.M. Roll 2536 [SEINet], more...

Sisymbrium irio L. - London Rocket

C.M. Roll 1355 [SEINet], C.M. Roll 16 [SEINet]

Thysanocarpus curvipes Hook. - Sand Fringepod

C.M. Roll 2832 [SEINet]

CACTACEAE

Coryphantha vivipara (Nutt.) Britt. & Rose - Kaibab spinystar

C.M. Roll 206 [SEINet]

Cylindropuntia leptocaulis (DC.) Knuth - Christmas Cholla

C.M. Roll 1472 [SEINet], C.M. Roll 1572 [SEINet]

Cylindropuntia leptocaulis x spinosior (Engelm.) Knuth

C.M. Roll 858 [SEINet]

Cylindropuntia spinosior (Engelm.) Knuth - Walkingstick Cactus

C.M. Roll 2873 [SEINet], C.M. Roll 135 [SEINet], C.M. Roll 2696 [SEINet]

Echinocereus fendleri (Engelm.) Sencke ex J.N. Haage - Pink-Flower Hedgehog Cactus

C.M. Roll 82 [SEINet], C.M. Roll 2875 [SEINet], C.M. Roll 2015-04-28 [SEINet]

Echinocereus rigidissimus (Engelm.) Haage f. - Rainbow Hedgehog Cactus

C.M. Roll 358 [SEINet]

Ferocactus wislizeni (Engelm.) Britton & Rose - Candy Barrel Cactus

C.M. Roll 2015-05-12 [SEINet], C.M. Roll 653 [SEINet]

Mammillaria heyderi Muehlenpfordt - Pancake Nipple Cactus

C.M. Roll 1964 [SEINet], C.M. Roll 2015-09-26 [SEINet]

Mammillaria wrightii Engelm. - Wright's Nipple Cactus

Mammillaria wrightii var. wilcoxii (Toumey ex K. Schum.) W.T. Marsh. - Wilcox's nipple cactus

C.M. Roll 652 [SEINet], C.M. Roll 2015-07-28 [SEINet]

Opuntia engelmannii Salm-Dyck - Cactus-Apple

C.M. Roll 142 [SEINet], C.M. Roll 2874 [SEINet], C.M. Roll 142 [SEINet]

Opuntia macrocentra Engelm. - Long-Spine Purple Prickly-Pear

C.M. Roll 356 [SEINet]

Opuntia phaeacantha Engelm. - Tulip Prickly-Pear

C.M. Roll 355 [SEINet], C.M. Roll 145 [SEINet]

CANNABACEAE

Celtis reticulata Torr. - Net-Leaf Hackberry

C.M. Roll 246 [SEINet]

CARYOPHYLLACEAE

Loeflingia squarrosa Nutt. - Spreading Pygmyleaf

C.M. Roll 2855 [SEINet]

Silene antirrhina L. - Sleepy Catchfly

C.M. Roll 2841 [SEINet]

CHARACEAE

Chara vulgaris L.

CLEOMACEAE

Polanisia dodecandra (L.) DC. - Red-Whisker Clammyweed

Polanisia dodecandra subsp. trachysperma (Torr. & A. Gray) H. H. Iltis - Sandy-Seed Clammyweed

C.M. Roll 2801 [SEINet]

COMMELINACEAE

Commelina erecta L. - White-Mouth Dayflower

C.M. Roll 687 [SEINet], C.M. Roll 687 [SEINet]

CONVOLVULACEAE

Convolvulus equitans Benth. - Texas Bindweed

C.M. Roll 345 [SEINet], C.M. Roll 903 [SEINet], C.M. Roll 345 [SEINet]

Cuscuta odontolepis Engelm. - Santa Rita Mountain Dodder

C.M. Roll 3096 [SEINet]

Evolvulus alsinoides (L.) L. - Slender Dwarf-Morning-Glory

C.M. Roll 1004 [SEINet], C.M. Roll 479 [SEINet]

Evolvulus arizonicus A. Gray - Wild Dwarf-Morning-Glory

C.M. Roll 440 [SEINet]

Evolvulus nuttallianus Roem. & Schult. - Shaggy Dwarf-Morning-Glory

C.M. Roll 143 [SEINet]

Evolvulus sericeus Sw. - Silver Dwarf-Morning-Glory

C.M. Roll 1407 [SEINet], C.M. Roll 136 [SEINet]

Ipomoea costellata Torr. - Crest-Rib Morning-Glory

C.M. Roll 939 [SEINet], C.M. Roll 901 [SEINet]

Ipomoea cristulata Hallier f. - Trans-Pecos Morning-Glory

C.M. Roll 2276 [SEINet], C.M. Roll 2332 [SEINet]

Ipomoea hederacea Jacq. - Ivy-Leaf Morning-Glory

C.M. Roll 2269 [SEINet], C.M. Roll 1517 [SEINet], C.M. Roll 2337 [SEINet], C.M. Roll 779 [SEINet]

CUCURBITACEAE

Apodanthera undulata A. Gray - Melon-Loco

C.M. Roll 475 [SEINet], C.M. Roll 2015-05-24 [SEINet]

Cucurbita digitata A. Gray - Finger-Leaf Gourd

C.M. Roll 271 [SEINet], C.M. Roll 871 [SEINet]

Cucurbita foetidissima Kunth - Missouri Gourd

C.M. Roll 2015-06-09 [SEINet], C.M. Roll 453 [SEINet]

Marah gilensis Greene - Gila Manroot

C.M. Roll 2303 [SEINet]

CYPERACEAE

Cyperus acuminatus Torr. & Hook. - Taper-Tip Flat Sedge

C.M. Roll 2415 [SEINet], C.M. Roll 2298 [SEINet], C.M. Roll 1625 [SEINet], C.M. Roll 2953 [SEINet]

Cyperus difformis L. - Variable Flat Sedge

C.M. Roll 2375 [SEINet], C.M. Roll 2412 [SEINet]

Cyperus esculentus L. - Chufa

C.M. Roll 2311 [SEINet], C.M. Roll 2211 [SEINet], C.M. Roll 948 [SEINet], C.M. Roll 2252 [SEINet], more...

Cyperus flavicomus Michx. - White-Edge Flat Sedge

C.M. Roll 2307 [SEINet], C.M. Roll 2968 [SEINet], C.M. Roll 2416 [SEINet]

Cyperus odoratus L. - Rusty Flat Sedge

C.M. Roll 3097 [SEINet]

Cyperus sphaerolepis Boeckl. - Rusby's Flat Sedge

C.M. Roll 595 [SEINet]

Cyperus squarrosus L. - Awned Flat Sedge

C.M. Roll 861 [SEINet], C.M. Roll 2300 [SEINet], C.M. Roll 2966 [SEINet], C.M. Roll 1255 [SEINet], more...

Eleocharis atropurpurea (Retz.) J. Presl & C. Presl - Purple Spike-Rush

C.M. Roll 2376 [SEINet], C.M. Roll 2969 [SEINet], C.M. Roll 2714 [SEINet], C.M. Roll 2361 [SEINet], more...

Eleocharis macrostachya Britton - Pale Spike-Rush

C.M. Roll 2967 [SEINet], C.M. Roll 2864 [SEINet], C.M. Roll 2970 [SEINet], C.M. Roll 2954 [SEINet]

Eleocharis palustris (L.) Roem. & Schult. - Soft-Stem Spike-Rush

C.M. Roll 771 [SEINet], C.M. Roll 558 [SEINet], C.M. Roll 916 [SEINet], C.M. Roll 558 [SEINet], more...

Eleocharis parishii Britt. - Parish's Spike-Rush

C.M. Roll 2878 [SEINet]

Fimbristylis annua (All.) Roem. & Schult. - Annual Fimbry

C.M. Roll 2297 [SEINet], C.M. Roll 2758 [SEINet]

ELATINACEAE

Bergia texana (Hook.) Seub. ex Walp. - Texas Bergia

C.M. Roll 2828 [SEINet], C.M. Roll 2371 [SEINet], C.M. Roll 1660 [SEINet], C.M. Roll 2831 [SEINet], more...

Elatine rubella Rydb. - Red-Stem Waterwort

C.M. Roll 2544 [SEINet], C.M. Roll 1583 [SEINet]

EPHEDRACEAE

Ephedra trifurca Torr. ex S. Watson - Long-Leaf Joint-Fir

C.M. Roll 21 [SEINet]

EUPHORBIACEAE

Acalypha neomexicana Muell.-Arg. - New Mexico Copperleaf

C.M. Roll 2382 [SEINet], C.M. Roll 2389 [SEINet]

Croton pottsii (Klotzsch) Muell.-Arg. - Leatherweed

C.M. Roll 76 [SEINet], C.M. Roll 973 [SEINet]

Ditaxis neomexicana (Müll.Arg.) A. Heller - New Mexico silverbush

C.M. Roll 154 [SEINet]

Euphorbia abramsiana L.C. Wheeler - Abrams' Sandmat

C.M. Roll 2325 [SEINet]

Euphorbia albomarginata Torr. & A. Gray - White-Margin Sandmat

C.M. Roll 111 [SEINet], C.M. Roll 147 [SEINet]

Euphorbia davidii Subils - David's Spurge

C.M. Roll 709 [SEINet], C.M. Roll 1253 [SEINet], C.M. Roll 831 [SEINet]

Euphorbia dioica Hieron. - Royal Sandmat

C.M. Roll 2716 [SEINet], C.M. Roll 2453 [SEINet]

Euphorbia exstipulata Engelm. - Square-Seed Spurge

C.M. Roll 2345 [SEINet], C.M. Roll 2387 [SEINet]

Euphorbia fendleri Torr. & A. Gray - Fendler's Sandmat

C.M. Roll 564 [SEINet], C.M. Roll 614 [SEINet], C.M. Roll 564 [SEINet]

Euphorbia hyssopifolia L. - Hyssop-Leaf Sandmat

C.M. Roll 863 [SEINet], C.M. Roll 740 [SEINet], C.M. Roll 716.1 [SEINet], C.M. Roll 885 [SEINet], more...

Euphorbia micromera Boiss. ex Engelm. - Sonoran Sandmat

C.M. Roll 2800 [SEINet], C.M. Roll 2192 [SEINet]

Euphorbia serpyllifolia Pers. - Thyme-Leaf Sandmat

C.M. Roll 614.1 [SEINet]

Euphorbia serrula Engelm. - Saw-Tooth Sandmat

C.M. Roll 2353 [SEINet]

Euphorbia stictospora Engelm. - Slim-Seed Sandmat

C.M. Roll 755 [SEINet], C.M. Roll 920 [SEINet]

Tragia nepetifolia Cav. - Catnip Noseburn

C.M. Roll 2680 [SEINet], C.M. Roll 2522 [SEINet], C.M. Roll 2676 [SEINet]

Tragia ramosa Torr. - Branched Noseburn

C.M. Roll 101 [SEINet]

FABACEAE

Acacia angustissima (Mill.) Kuntze - prairie acacia

C.M. Roll 159 [SEINet]

Acaciella angustissima (Mill.) Britton & Rose - Arizona Desert-Carpet

C. M. Roll 159 [ARIZ]

Acmispon brachycarpus (Benth.) D.D.Sokoloff - Foothill Deerweed

C.M. Roll 35 [SEINet]

Acmispon greenei (Wooton & Standl.) Brouillet - Greene's Deerweed

C.M. Roll 350 [SEINet], C.M. Roll 264 [SEINet], C.M. Roll 1836 [SEINet], C.M. Roll 1387 [SEINet]

Astragalus allochrous A. Gray - Halfmoon Milk-Vetch

C.M. Roll 1809 [SEINet], C.M. Roll 1757 [SEINet], C.M. Roll 79 [SEINet], C.M. Roll 1887 [SEINet], more...

Astragalus arizonicus A. Gray - Arizona Milk-Vetch

C.M. Roll 1890 [SEINet], C.M. Roll 72 [SEINet]

Astragalus mollissimus Torr. - woolly locoweed

C.M. Roll 54 [SEINet], C.M. Roll 8 [SEINet]

Astragalus nothoxys A. Gray - Sheep Milk-Vetch

C.M. Roll 2639 [SEINet], C.M. Roll 1395 [SEINet], C.M. Roll 1284 [SEINet], C.M. Roll 2612 [SEINet], more...

Astragalus nuttallianus DC. - Turkey-Peas

C.M. Roll 31 [SEINet], C.M. Roll 1771 [SEINet]

Astragalus thurberi A. Gray - Thurber's Milk-Vetch

C.M. Roll 1882 [SEINet], C.M. Roll 1763 [SEINet], C.M. Roll 329 [SEINet]

Caesalpinia gilliesii (Hook.) Wallich ex D. Dietr. - Bird-of-Paradise-Shrub

C.M. Roll 229 [SEINet]

Calliandra eriophylla Benth. - Fairy-Duster

C.M. Roll 133 [SEINet]

Calliandra humilis Benth. - Dwarf Stick-Pea

Calliandra humilis var. reticulata (A. Gray) L. Benson - dwarf stickpea

C.M. Roll 2500 [SEINet], C.M. Roll 2691 [SEINet]

Chamaecrista nictitans (L.) Moench - Partridge-Pea

C.M. Roll 936 [SEINet], C.M. Roll 822 [SEINet], C.M. Roll 1514 [SEINet], C.M. Roll 798 [SEINet]

Crotalaria pumila Ortega - Low Rattlebox

C.M. Roll 675 [SEINet], C.M. Roll 879 [SEINet]

Dalea albiflora A. Gray - White-Flower Prairie-Clover

C.M. Roll 2391 [SEINet], C.M. Roll 2015-05-24 [SEINet], C.M. Roll 520 [SEINet]

Dalea brachystachya A. Gray - Fort Bowie Prairie-Clover

C.M. Roll 2516 [SEINet]

Dalea formosa Torr. - Featherplume

C.M. Roll 90 [SEINet]

Dalea jamesii (Torr.) Torr. & A. Gray - James' Prairie-Clover

C.M. Roll 141 [SEINet]

Dalea lachnostachys A. Gray - Gland-Leaf Prairie-Clover

C.M. Roll 2347 [SEINet]

Dalea nana Torr. ex A. Gray - Dwarf Prairie-Clover

C.M. Roll 593 [SEINet], C.M. Roll 4056 [SEINet]

Dalea nana var. carnescens Kearney & Peebles - dwarf prairie clover

C.M. Roll 92 [SEINet], C.M. Roll 123 [SEINet]

Dalea nana var. nana - dwarf prairie clover

C.M. Roll 191 [SEINet]

Dalea pogonathera A. Gray - Bearded Prairie-Clover

C.M. Roll 194 [SEINet], C.M. Roll 4057 [SEINet], C.M. Roll 70 [SEINet]

Desmanthus cooleyi (Eat.) Trel. - Cooley's Bundle-Flower

C.M. Roll 372 [SEINet]

Desmodium neomexicanum A. Gray - New Mexico ticktrefoil

C.M. Roll 952 [SEINet], C.M. Roll 2390 [SEINet]

Galactia wrightii A. Gray - Wright's Milk-Pea

C.M. Roll 1007 [SEINet], C.M. Roll 639 [SEINet]

Hoffmannseggia drepanocarpa A. Gray - Sickle-Pod Holdback

C.M. Roll 551 [SEINet]

Hoffmannseggia glauca (Ortega) Eifert - Waxy Rush-Pea

C.M. Roll 83 [SEINet]

Lupinus concinnus J.G. Agardh - Nipomo Mesa Annual Lupine

C.M. Roll 100 [SEINet], C.M. Roll 207 [SEINet], C.M. Roll 1811 [SEINet], C.M. Roll 325 [SEINet]

Macroptilium gibbosifolium (Ortega) A. Delgado - Variable-Leaf Bush-Bean

C.M. Roll 1062 [SEINet], C.M. Roll 585 [SEINet]

Marina calycosa (A. Gray) Barneby - San Pedro False Prairie-Clover

C.M. Roll 2003 [SEINet], C.M. Roll 120 [SEINet]

Mimosa aculeaticarpa Ortega - Cat-Claw Mimosa

C.M. Roll 179 [SEINet]

Pediomelum pentaphyllum (L.) J. Grimes - Small Indian-Breadroot

C.M. Roll 298 [SEINet], C.M. Roll 318 [SEINet]

Pediomelum tenuiflorum (Pursh) A. N. Egan - Slender-Flower Indian-Breadroot

C. M. Roll 2809 [ARIZ]

Phaseolus acutifolius A. Gray - Tepary Bean

Phaseolus acutifolius var. latifolius Freeman - tepary bean

C.M. Roll 900 [SEINet], C.M. Roll 2773 [SEINet], C.M. Roll 737 [SEINet]

Pomaria jamesii (Torr. & A. Gray) Walp. - James' False Holdback

C.M. Roll 760 [SEINet], C.M. Roll 1933 [SEINet], C.M. Roll 188 [SEINet]

Prosopis glandulosa Torr. - Honey Mesquite

C.M. Roll 96 [SEINet]

Prosopis velutina Wooton - Velvet Mesquite

C.M. Roll 417 [SEINet]

Rhynchosia senna Gillies ex Hook. - Texas snoutbean

C.M. Roll 496 [SEINet], C.M. Roll 642 [SEINet], C.M. Roll 148 [SEINet]

Senegalia greggii (A. Gray) Britton and Rose - Long-Flower Catclaw

C.M. Roll 2181 [SEINet]

Senna bauhinioides (A. Gray) Irwin & Barneby - Shrubby Wild Sensitive-Plant

C.M. Roll 234 [SEINet]

Sophora nuttalliana B.L. Turner - Silky Necklacepod

C.M. Roll 1934 [SEINet], C.M. Roll 239 [SEINet]

Tephrosia tenella A. Gray - red hoary-pea

C.M. Roll 316 [SEINet], C.M. Roll 2815 [SEINet], C.M. Roll 294 [SEINet]

Vachellia constricta (Benth.) Seigler & Ebinger - Mescat False Acacia

C.M. Roll 361 [SEINet]

Vicia ludoviciana Nutt. - Louisiana Vetch

C.M. Roll 4204 [SEINet]

FAGACEAE

Quercus emoryi Torr. - Emory's Oak

C.M. Roll 1632 [SEINet]

Quercus turbinella Greene - Arizona shrub oak

C.M. Roll 367 [SEINet], C.M. Roll 531 [SEINet], C.M. Roll 312 [SEINet], C.M. Roll 531 [SEINet], more...

FOUQUIERIACEAE

Fouquieria splendens Engelm.

C.M. Roll 2563 [SEINet], C.M. Roll 2015-05-06 [SEINet]

GERANIACEAE

Erodium cicutarium (L.) L'Hér. ex Aiton - Red-Stem Stork's-Bill

C.M. Roll 10 [SEINet]

Erodium texanum A. Gray - Texas Stork's-Bill

C.M. Roll 2833 [SEINet]

JUNCACEAE

Juncus bufonius L. - Toad Rush

C.M. Roll 2577 [SEINet], C.M. Roll 2627 [SEINet], C.M. Roll 2553 [SEINet]

Juncus interior Wiegand - Inland Rush

C.M. Roll 2955 [SEINet]

KRAMERIACEAE

Krameria lanceolata Torr. - Trailing Ratany

C.M. Roll 351 [SEINet], C.M. Roll 1965 [SEINet], C.M. Roll 151 [SEINet]

LAMIACEAE

Clerodendrum coulteri (A. Gray) Govaerts - Coulter's wrinklefruit

C.M. Roll 150 [SEINet], C.M. Roll 719 [SEINet]

Salvia subincisa Benth. - Saw-Tooth Sage

C.M. Roll 1248 [SEINet], C.M. Roll 1507 [SEINet]

LINACEAE

Linum pratense (J.B.S. Norton) Small - Meadow Flax

C.M. Roll 4060 [SEINet], C.M. Roll 2851 [SEINet], C.M. Roll 2860 [SEINet], C.M. Roll 2835 [SEINet]

LOASACEAE

Cevallia sinuata Lag. - Stinging-Serpent

C.M. Roll 1343 [SEINet], C.M. Roll 128 [SEINet], C.M. Roll 331 [SEINet]

Mentzelia albicaulis (Dougl.) Dougl. ex Torr. & A. Gray - White-Stem Blazingstar

C.M. Roll 1938 [SEINet]

Mentzelia montana (A. Davids.) A. Davids. - Variegated-Bract Blazingstar

C.M. Roll 296 [SEINet]

Mentzelia multiflora (Nutt.) A. Gray - Adonis Blazingstar

C.M. Roll 405 [SEINet], C.M. Roll 857 [SEINet], C.M. Roll 281 [SEINet]

LYTHRACEAE

Ammannia auriculata Willd. - Eared Redstem

C.M. Roll 2826 [SEINet], C.M. Roll 2374 [SEINet], C.M. Roll 2299 [SEINet]

Ammannia robusta Heer & Regel - Grand Redstem

C.M. Roll 2830 [SEINet]

MALPIGHIACEAE

Cottsia gracilis (A. Gray) W.R. Anderson - Slender Janusia

C.M. Roll 171 [SEINet], C.M. Roll 486 [SEINet]

MALVACEAE

Abutilon abutiloides (Jacq.) Garcke ex Britt. & Wilson - Shrubby Indian-Mallow

C.M. Roll 844 [SEINet], C.M. Roll 535 [SEINet], C.M. Roll 1425 [SEINet], C.M. Roll 535 [SEINet]

Abutilon mollicomum (Willd.) Sweet - Sonoran Indian-Mallow

C.M. Roll 843 [SEINet], C.M. Roll 1308 [SEINet], C.M. Roll 1414 [SEINet], C.M. Roll 650 [SEINet], more...

Abutilon parvulum A. Gray - Dwarf Indian-Mallow

C.M. Roll 420 [SEINet], C.M. Roll 160 [SEINet]

Anoda cristata (L.) Schlecht. - Crested Anoda

C.M. Roll 834 [SEINet], C.M. Roll 950 [SEINet]

Anoda pentaschista A. Gray - Field Anoda

C.M. Roll 773 [SEINet], C.M. Roll 1510 [SEINet], C.M. Roll 923 [SEINet]

Ayenia filiformis S. Watson - Trans-Pecos Ayenia

C.M. Roll 181 [SEINet], C.M. Roll 161 [SEINet], C.M. Roll 1000 [SEINet]

Hibiscus denudatus Benth. - Paleface

C.M. Roll 647 [SEINet], C.M. Roll 127 [SEINet]

Malvella lepidota (A. Gray) Fryxell - Scurfy-Mallow

C.M. Roll 692 [SEINet], C.M. Roll 138 [SEINet], C.M. Roll 926 [SEINet]

Rhynchosida physocalyx (A. Gray) Fryxell - Buffpetal

C.M. Roll 419 [SEINet], C.M. Roll 1527 [SEINet], C.M. Roll 1024 [SEINet], C.M. Roll 419 [SEINet]

Sida abutifolia Mill. - Spreading Fanpetals

C.M. Roll 114 [SEINet], C.M. Roll 132 [SEINet], C.M. Roll 946 [SEINet]

Sida spinosa L. - Prickly Fanpetals

C.M. Roll 1083 [SEINet], C.M. Roll 1180 [SEINet], C.M. Roll 998 [SEINet], C.M. Roll 764 [SEINet], more...

Sphaeralcea ambigua A. Gray - Apricot Globe-Mallow

C.M. Roll 106 [SEINet]

Sphaeralcea angustifolia (Cav.) G. Don - Copper Globe-Mallow

C.M. Roll 85 [SEINet]

Sphaeralcea hastulata A. Gray - Spear Globe-Mallow

C.M. Roll 99 [SEINet], C.M. Roll 156 [SEINet], C.M. Roll 1556 [SEINet], C.M. Roll 217 [SEINet]

Sphaeralcea laxa Woot. & Standl. - Caliche Globe-Mallow

C.M. Roll 177 [SEINet], C.M. Roll 487 [SEINet]

MARSILEACEAE

Marsilea mollis B.L. Robins. & Fern. - Chihuahuan Water-Clover

C.M. Roll 293 [SEINet], C.M. Roll 555 [SEINet]

MARTYNIACEAE

Proboscidea althaeifolia (Benth.) Decne. - Devil's-Horn

C.M. Roll 450 [SEINet]

Proboscidea parviflora (Wooton) Wooton & Standl. - Doubleclaw

C.M. Roll 713 [SEINet]

MOLLUGINACEAE

Glinus radiatus (Ruiz & Pav.) Rohrb. - Spreading Sweetjuice

C.M. Roll 289 [SEINet]

Mollugo cerviana (L.) Ser. - Thread-Stem Carpetweed

C.M. Roll 2395 [SEINet]

Mollugo verticillata L. - Green Carpetweed

C.M. Roll 1403 [SEINet], C.M. Roll 554 [SEINet], C.M. Roll 2394 [SEINet], C.M. Roll 935 [SEINet], more...

MONTIACEAE

Calandrinia ciliata (Ruiz & Pav.) DC. - fringed redmaids

C.M. Roll 1693 [SEINet], C.M. Roll 33 [SEINet], C.M. Roll 1707 [SEINet]

Cistanthe monandra (Nutt.) Hershkovitz - common pussypaws

C.M. Roll 1701 [SEINet], C.M. Roll 1690 [SEINet], C.M. Roll 1760 [SEINet], C.M. Roll 1871 [SEINet]

Phemeranthus aurantiacus (Engelm.) Kiger - Orange False Fameflower

C.M. Roll 517 [SEINet], C.M. Roll 534 [SEINet], C.M. Roll 2015-05-23 [SEINet], C.M. Roll 489 [SEINet], more...

MORACEAE

Morus microphylla Buckley - Texas Mulberry

C.M. Roll 1139 [SEINet]

NYCTAGINACEAE

Allionia choisyi Standl. - Annual Windmills

C.M. Roll 2349 [SEINet], C.M. Roll 694 [SEINet], C.M. Roll 2321 [SEINet], C.M. Roll 944 [SEINet]

Allionia incarnata L. - trailing windmills

C.M. Roll 256 [SEINet], C.M. Roll 78 [SEINet], C.M. Roll 516 [SEINet]

Allionia incarnata var. villosa (Standl.) B.L. Turner - trailing windmills

C.M. Roll 2824 [SEINet]

Boerhavia coccinea P. Mill. - Scarlet Spiderling

C.M. Roll 732 [SEINet]

Boerhavia coulteri (Hook. f.) S. Wats. - Coulter's Spiderling

C.M. Roll 1333 [SEINet], C.M. Roll 938 [SEINet], C.M. Roll 543 [SEINet], C.M. Roll 1454 [SEINet], more...

Boerhavia erecta L. - Erect Spiderling

C.M. Roll 1325 [SEINet], C.M. Roll 717 [SEINet], C.M. Roll 910 [SEINet], C.M. Roll 1270 [SEINet], more...

Boerhavia pterocarpa S. Wats. - Apache Pass Spiderling

C.M. Roll 2233 [SEINet], C.M. Roll 2247 [SEINet]

Boerhavia triquetra S. Wats. - Slender Spiderling

C.M. Roll 2356 [SEINet]

Boerhavia wrightii A. Gray - Large-Bract Spiderling

C.M. Roll 1336 [SEINet]

Mirabilis linearis (Pursh) Heimerl - Narrow-Leaf Four-O'clock

Mirabilis linearis var. decipiens (Standl.) Welsh - broadleaf four o'clock

C.M. Roll 2811 [SEINet], C.M. Roll 2816 [SEINet]

Mirabilis linearis var. linearis (Pursh) Heimerl - Narrow-Leaf Four-O'clock

C.M. Roll 503 [SEINet], C.M. Roll 436 [SEINet], C.M. Roll 436 [SEINet]

Mirabilis longiflora L. - Sweet Four-O'clock

C.M. Roll 2335 [SEINet], C.M. Roll 2200 [SEINet]

OLEACEAE

Fraxinus velutina Torr. - Velvet Ash

C.M. Roll 1629 [SEINet], C.M. Roll 1646 [SEINet]

ONAGRACEAE

Eremothera chamaenerioides (A. Gray) W.L. Wagner & Hoch - Long-Capsule Mooncup

C.M. Roll 2559 [SEINet], C.M. Roll 2599 [SEINet], C.M. Roll 2616 [SEINet]

Gaura coccinea Nutt. ex Pursh - Scarlet Evening-Primrose

C.M. Roll 97 [SEINet]

Gaura hexandra Ortega - harlequinbush

C.M. Roll 134 [SEINet], C.M. Roll 384 [SEINet], C.M. Roll 68 [SEINet]

Oenothera albicaulis Pursh - White-Stem Evening-Primrose

C.M. Roll 1813 [SEINet], C.M. Roll 46 [SEINet]

Oenothera flava (A. Nels.) Garrett - Long-Tube Evening-Primrose

C.M. Roll 1773 [SEINet]

Oenothera primiveris A. Gray - Yellow-Flower Desert Evening-Primrose

C.M. Roll 1785 [SEINet], C.M. Roll 30 [SEINet]

OROBANCHACEAE

Castilleja integra A. Gray - wholeleaf Indian paintbrush

C.M. Roll 634 [SEINet]

PAPAVERACEAE

Argemone pleiacantha Greene - Southwestern Prickly-Poppy

C.M. Roll 205 [SEINet]

Corydalis aurea Willd. - Scrambled-Eggs

C.M. Roll 87 [SEINet], C.M. Roll 1801 [SEINet]

Eschscholzia californica Cham. - California-Poppy

C.M. Roll 39 [SEINet], C.M. Roll 56 [SEINet]

PHRYMACEAE

Erythranthe cordata (Greene) G.L. Nesom

C.M. Roll 2560 [SEINet]

PLANTAGINACEAE

Bacopa rotundifolia (Michx.) Wettst. - Disk Water-Hyssop

C.M. Roll 2290 [SEINet], C.M. Roll 1580 [SEINet]

Nuttallanthus texanus (Scheele) D. A. Sutton - Texas-Toadflax

C.M. Roll 1784 [SEINet], C.M. Roll 1888 [SEINet], C.M. Roll 1742 [SEINet], C.M. Roll 1708 [SEINet], more...

Penstemon fendleri Torr. & A. Gray - Fendler's Beardtongue

C.M. Roll 4043 [SEINet], C.M. Roll 276 [SEINet], C.M. Roll 4065 [SEINet], C.M. Roll 1862 [SEINet]

Plantago elongata Pursh - Prairie Plantain

C.M. Roll 2634 [SEINet], C.M. Roll 1774 [SEINet], C.M. Roll 2557 [SEINet], C.M. Roll 1795 [SEINet]

Plantago patagonica Jacq. - Woolly Plantain

C.M. Roll 37 [SEINet]

Plantago virginica L. - Pale-Seed Plantain

C.M. Roll 2644 [SEINet], C.M. Roll 2675 [SEINet], C.M. Roll 2661 [SEINet]

Veronica peregrina L. - Neckweed

C.M. Roll 1775 [SEINet], C.M. Roll 1967 [SEINet]

PLATANACEAE

Platanus wrightii S. Watson - Arizona Sycamore

C.M. Roll 1642 [SEINet]

POACEAE

Aristida adscensionis L. - Six-Weeks Three-Awn

C.M. Roll 890 [SEINet], C.M. Roll 758 [SEINet], C.M. Roll 1074 [SEINet], C.M. Roll 775 [SEINet], more...

Aristida havardii Vasey - Havard's Three-Awn

C.M. Roll 2264 [SEINet]

Aristida purpurea Nutt. - Purple Three-Awn

C.M. Roll 259 [SEINet], C.M. Roll 1197 [SEINet], C.M. Roll 1126 [SEINet], C.M. Roll 167 [SEINet]

Aristida ternipes Cav. - Spider Grass

C.M. Roll 574 [SEINet], C.M. Roll 1022 [SEINet], C.M. Roll 1543 [SEINet], C.M. Roll 1223 [SEINet], more...

Bothriochloa barbinodis (Lag.) Herter - Cane Beard Grass

C.M. Roll 1281 [SEINet], C.M. Roll 359 [SEINet], C.M. Roll 379 [SEINet], C.M. Roll 582 [SEINet], more...

Bothriochloa ischaemum (L.) Keng - Turkestan Beard Grass

C.M. Roll 576 [SEINet], C.M. Roll 1010 [SEINet], C.M. Roll 670 [SEINet]

Bothriochloa springfieldii (Gould) Parodi - Springfield's Beard Grass

C.M. Roll 1620 [SEINet], C.M. Roll 1179 [SEINet]

Bouteloua aristidoides (Kunth) Griseb. - Needle Grama

C.M. Roll 666 [SEINet], C.M. Roll 1093 [SEINet]

Bouteloua barbata Lag. - Six-Weeks Grama

C.M. Roll 672 [SEINet], C.M. Roll 1106 [SEINet], C.M. Roll 164 [SEINet]

Bouteloua chondrosioides (Kunth) Benth. ex S. Wats. - Spruce-Top Grama

C.M. Roll 894 [SEINet], C.M. Roll 1203 [SEINet], C.M. Roll 1346 [SEINet], C.M. Roll 967 [SEINet], more...

Bouteloua curtipendula (Michx.) Torr. - Side-Oats Grama

C.M. Roll 993 [SEINet], C.M. Roll 330.1 [SEINet], C.M. Roll 663 [SEINet], C.M. Roll 970 [SEINet], more...

Bouteloua eriopoda (Torr.) Torr. - Black Grama

C.M. Roll 959 [SEINet], C.M. Roll 1043 [SEINet], C.M. Roll 1202 [SEINet]

Bouteloua gracilis (Kunth) Lag. ex Griffiths - Blue Grama

C.M. Roll 895 [SEINet], C.M. Roll 1095 [SEINet], C.M. Roll 972 [SEINet]

Bouteloua hirsuta Lag. - Hairy Grama

C.M. Roll 783 [SEINet]

Bouteloua radicosa (Fourn.) Griffiths - Purple Grama

C.M. Roll 1069 [SEINet], C.M. Roll 1001 [SEINet], C.M. Roll 1130 [SEINet]

Bouteloua rothrockii Vasey - Rothrock's grama

C.M. Roll 668 [SEINet]

Bromus catharticus Vahl - Rescue Grass

C.M. Roll 2951 [SEINet]

Cenchrus spinifex Cav. - Coastal Sandburr

C.M. Roll 1348 [SEINet]

Chloris virgata Sw. - Feather Windmill Grass

C.M. Roll 1050 [SEINet], C.M. Roll 882 [SEINet], C.M. Roll 804 [SEINet], C.M. Roll 1101 [SEINet], more...

Cynodon dactylon (L.) Pers. - Bermuda Grass

C.M. Roll 981 [SEINet], C.M. Roll 1597 [SEINet]

Dasyochloa pulchella (Kunth) Willd. ex Rydb. - False Fluff Grass

C.M. Roll 1345 [SEINet], C.M. Roll 1210 [SEINet], C.M. Roll 119 [SEINet], C.M. Roll 119 [SEINet]

Digitaria californica (Benth.) Henr. - California Crab Grass

C.M. Roll 1238 [SEINet], C.M. Roll 677 [SEINet], C.M. Roll 579 [SEINet], C.M. Roll 2015-09-23 [SEINet]

Echinochloa colona (L.) Link - Jungle-Rice

C.M. Roll 1445 [SEINet], C.M. Roll 1429 [SEINet], C.M. Roll 1431 [SEINet]

Echinochloa crus-galli (L.) P. Beauv. - Large Barnyard Grass

C.M. Roll 1564 [SEINet], C.M. Roll 805 [SEINet], C.M. Roll 569 [SEINet], C.M. Roll 707 [SEINet], more...

Elymus elymoides (Raf.) Swezey - Western Bottle-Brush Grass

C.M. Roll 1954 [SEINet]

Enneapogon cenchroides (Licht.ex Roem. & Schult.) C.E.Hubb. - South African Nine-Awn Grass

C.M. Roll 2479 [SEINet]

Enneapogon desvauxii Desv. ex Beauv. - Nine-Awn Grass

C.M. Roll 1344 [SEINet], C.M. Roll 1153 [SEINet], C.M. Roll 1475 [SEINet], C.M. Roll 1201 [SEINet]

Eragrostis cilianensis (All.) Vignolo ex Janch. - Stink Grass

C.M. Roll 914 [SEINet], C.M. Roll 978 [SEINet], C.M. Roll 802 [SEINet], C.M. Roll 1599 [SEINet], more...

Eragrostis curvula (Schrad.) Nees - Weeping Love Grass

C.M. Roll 1488 [SEINet]

Eragrostis intermedia A.S. Hitchc. - Plains Love Grass

C.M. Roll 1168 [SEINet], C.M. Roll 1233 [SEINet], C.M. Roll 1188 [SEINet], C.M. Roll 774 [SEINet]

Eragrostis lehmanniana Nees - Lehmann's Love Grass

C.M. Roll 221 [SEINet]

Eragrostis pectinacea (Michx.) Nees ex Steud. - Purple Love Grass

C.M. Roll 1609 [SEINet], C.M. Roll 1437 [SEINet], C.M. Roll 982 [SEINet], C.M. Roll 1589 [SEINet], more...

Eriochloa acuminata (J. Presl) Kunth - Taper-Tip Cup Grass

C.M. Roll 1575 [SEINet], C.M. Roll 1533 [SEINet], C.M. Roll 991 [SEINet], C.M. Roll 1080 [SEINet], more...

Heteropogon contortus (L.) Beauv. ex Roemer & J.A. Schultes - Twisted Tanglehead

C.M. Roll 1123 [SEINet], C.M. Roll 231 [SEINet], C.M. Roll 621 [SEINet], C.M. Roll 665 [SEINet]

Hilaria belangeri (Steud.) Nash - Curly-Mesquite

C.M. Roll 523 [SEINet], C.M. Roll 609 [SEINet]

Hilaria mutica (Buckley) Benth. - tobosagrass

C.M. Roll 1447 [SEINet], C.M. Roll 98 [SEINet], C.M. Roll 1160 [SEINet]

Hopia obtusa (Kunth) Zuloaga & Morrone - Vine-Mesquite

C.M. Roll 508 [SEINet]

Hordeum pusillum Nutt. - Little Barley

C.M. Roll 2940 [SEINet]

Leptochloa dubia (Kunth) Nees - Green-Sprangletop

C.M. Roll 734 [SEINet]

Leptochloa fusca (L.) Kunth - Bearded Beetle Grass

C.M. Roll 1602 [SEINet]

Leptochloa viscida (Scribn.) Beal - Sonoran Viper Grass

C.M. Roll 807 [SEINet], C.M. Roll 985 [SEINet]

Lycurus setosus (Nutt.) C.G. Reeder - Bristly Wolf's-Tail

C.M. Roll 1207 [SEINet], C.M. Roll 1235 [SEINet], C.M. Roll 1186 [SEINet], C.M. Roll 956 [SEINet]

Muhlenbergia arenacea (Buckl.) A.S. Hitchc. - Eared Muhly

C.M. Roll 2253 [SEINet]

Muhlenbergia emersleyi Vasey - Bull Grass

C.M. Roll 1215 [SEINet]

Muhlenbergia fragilis Swallen - Delicate Muhly

C.M. Roll 1542 [SEINet], C.M. Roll 996 [SEINet], C.M. Roll 1390 [SEINet]

Muhlenbergia pauciflora Buckley - New Mexico Muhly

C.M. Roll 1305 [SEINet], C.M. Roll 1226 [SEINet]

Muhlenbergia porteri Scribn. ex Beal - Bush Muhly

C.M. Roll 680 [SEINet], C.M. Roll 1240 [SEINet], C.M. Roll 2015-05-27 [SEINet], C.M. Roll 1522 [SEINet]

Muhlenbergia repens (J. Presl) A.S. Hitchc. - Creeping Muhly

C.M. Roll 1461 [SEINet], C.M. Roll 1433 [SEINet], C.M. Roll 1481 [SEINet]

Panicum antidotale Retz. - Giant Panic Grass

C.M. Roll 2511 [SEINet]

Panicum capillare L. - Common Panic Grass

C.M. Roll 1525 [SEINet], C.M. Roll 1089 [SEINet], C.M. Roll 1511 [SEINet]

Panicum hirticaule J. Presl - Mexican Panic Grass

C.M. Roll 2203 [SEINet]

Paspalum distichum L. - Jointed Crown Grass

C.M. Roll 2288 [SEINet], C.M. Roll 1459 [SEINet], C.M. Roll 2426 [SEINet], C.M. Roll 1436 [SEINet]

Pennisetum ciliare (L.) Link - Buffel Fountain Grass

C.M. Roll 2420 [SEINet]

Schismus arabicus Nees - Arabian Mediterranean Grass

C.M. Roll 2950 [SEINet]

Schismus barbatus (Loefl. ex L.) Thellung - Common Mediterranean Grass

C.M. Roll 226 [SEINet], C.M. Roll 1830 [SEINet], C.M. Roll 1746 [SEINet], C.M. Roll 1788 [SEINet]

Schizachyrium cirratum (Hack.) Wooton & Standl. - Texas False Bluestem

C.M. Roll 963 [SEINet]

Scleropogon brevifolius Phil. - Burro Grass

C.M. Roll 1016 [SEINet], C.M. Roll 1104 [SEINet], C.M. Roll 1151 [SEINet]

Setaria leucopila (Scribn. & Merr.) K. Schum. - Streambed Bristle Grass

C.M. Roll 721 [SEINet]

Setaria macrostachya Kunth - Large-Spike Bristle Grass

C.M. Roll 1518 [SEINet], C.M. Roll 278 [SEINet], C.M. Roll 1109 [SEINet]

Sorghum halepense (L.) Pers. - Johnson Grass

C.M. Roll 549 [SEINet], C.M. Roll 549 [SEINet]

Sporobolus airoides (Torr.) Torr. - Alkali-Sacaton

C.M. Roll 1249 [SEINet], C.M. Roll 1465 [SEINet], C.M. Roll 864 [SEINet]

Sporobolus contractus A.S. Hitchc. - Narrow-Spike Dropseed

C.M. Roll 1112 [SEINet]

Sporobolus cryptandrus (Torr.) A. Gray - Sand Dropseed

C.M. Roll 2255 [SEINet]

Sporobolus pyramidatus (Lam.) A.S. Hitchc. - Target Dropseed

C.M. Roll 1607 [SEINet]

Sporobolus wrightii Munro ex Scribn. - Wright's Dropseed

C.M. Roll 1060 [SEINet], C.M. Roll 304 [SEINet]

Tragus berteronianus Schult. - Spiked Burr Grass

C.M. Roll 2381 [SEINet], C.M. Roll 1473 [SEINet]

Tridens muticus (Torr.) Nash - slim tridens

C.M. Roll 1191 [SEINet], C.M. Roll 1839 [SEINet]

Trisetum interruptum Buckl. - prairie false oat

C.M. Roll 2941 [SEINet]

Urochloa arizonica (Scribn. & Merr.) O. Morrone & F. Zuloaga - Arizona Liverseed Grass

C.M. Roll 1504 [SEINet], C.M. Roll 941 [SEINet], C.M. Roll 1176 [SEINet], C.M. Roll 700 [SEINet], more...

Vulpia octoflora (Walter) Rydb. - Eight-Flower Six-Weeks Grass

C.M. Roll 1870 [SEINet], C.M. Roll 1754 [SEINet], C.M. Roll 1970 [SEINet], C.M. Roll 1791 [SEINet], more...

POLEMONIACEAE

Eriastrum diffusum (A. Gray) Mason - Miniature Woolstar

C.M. Roll 116 [SEINet], C.M. Roll 58 [SEINet]

Gilia flavocincta A. Nels. - Lesser Yellow-Throat Gily-Flower

Gilia flavocincta subsp. australis (A.& V. Grant) Day & V. Grant - lesser yellowthroat gilia

C.M. Roll 2887 [SEINet]

Gilia mexicana A.& V. Grant - El Paso Gily-Flower

C.M. Roll 1937 [SEINet], C.M. Roll 1915 [SEINet]

Ipomopsis longiflora (Torr.) V. Grant - White-Flower Skyrocket

C.M. Roll 200 [SEINet]

Leptosiphon chrysanthus J.M. Porter & R. Patterson - Golden Perennial Gily-Flower

C.M. Roll 2837 [SEINet], C.M. Roll 2859 [SEINet]

Linanthus bigelovii (A. Gray) Greene - Bigelow's Desert-Trumpets

C.M. Roll 2618 [SEINet], C.M. Roll 2605 [SEINet]

POLYGALACEAE

Polygala barbeyana Chod. - Blue Prostrate-Milkwort

C.M. Roll 2226 [SEINet], C.M. Roll 594 [SEINet], C.M. Roll 144 [SEINet], C.M. Roll 2756 [SEINet], more...

Polygala obscura Benth. - Velvet-Seed Prostrate-Milkwort

C.M. Roll 2763 [SEINet], C.M. Roll 2731 [SEINet]

POLYGONACEAE

Eriogonum abertianum Torr. - Abert's Wild Buckwheat

C.M. Roll 545 [SEINet], C.M. Roll 815 [SEINet], C.M. Roll 81 [SEINet]

Eriogonum polycladon Benth. - Sorrel Wild Buckwheat

C.M. Roll 825 [SEINet]

Eriogonum trichopes Torr. - Little Desert Trumpet

C.M. Roll 213 [SEINet]

Eriogonum wrightii Torr. ex Benth. - Bastard-Sage

C.M. Roll 849.1 [SEINet], C.M. Roll 2015-05-06 [SEINet], C.M. Roll 1353 [SEINet], C.M. Roll 824 [SEINet]

Persicaria bicornis (Raf.) Nieuwl. - Pink Knotweed

C.M. Roll 2408 [SEINet], C.M. Roll 1950 [SEINet]

Polygonum argyrocoleon Steud. ex Kunze - Silver-Sheath Knotweed

C.M. Roll 2507 [SEINet]

Polygonum aviculare L. - Yard Knotweed

C.M. Roll 2405 [SEINet], C.M. Roll 248 [SEINet]

Rumex hymenosepalus Torr. - Sand Dock

C.M. Roll 89 [SEINet]

PONTEDERIACEAE

Heteranthera limosa (Sw.) Willd. - Blue Mud-Plantain

C.M. Roll 705 [SEINet], C.M. Roll 612 [SEINet], C.M. Roll 1588 [SEINet], C.M. Roll 801 [SEINet]

PORTULACACEAE

Portulaca oleracea L. - Little-Hogweed

C.M. Roll 2260 [SEINet]

Portulaca suffrutescens Engelm. - Shrubby Purslane

C.M. Roll 943 [SEINet], C.M. Roll 1283 [SEINet], C.M. Roll 636 [SEINet], C.M. Roll 491 [SEINet]

Portulaca umbraticola Kunth - Wing-Pod Purslane

C.M. Roll 1506 [SEINet], C.M. Roll 611 [SEINet], C.M. Roll 809 [SEINet], C.M. Roll 868 [SEINet]

POTAMOGETONACEAE

Potamogeton foliosus Raf. - Leafy Pondweed

C.M. Roll 2788 [SEINet]

Potamogeton nodosus Poir. - Long-Leaf Pondweed

C.M. Roll 1649 [SEINet]

PRIMULACEAE

Androsace occidentalis Pursh - Western Rock-Jasmine

C.M. Roll 1745 [SEINet], C.M. Roll 1681 [SEINet]

PTERIDACEAE

Astrolepis sinuata (Lag. ex Sw.) Benham & Windham - Wavy Scaly Cloak Fern

C.M. Roll 685 [SEINet], C.M. Roll 685 [SEINet]

Bommeria hispida (Mett. ex Kuhn) Underw. - Copper Fern

C.M. Roll 526 [SEINet], C.M. Roll 526 [SEINet]

Myriopteris rufa Fée - Eaton's Lip Fern

C.M. Roll 527 [SEINet], C.M. Roll 527 [SEINet], C.M. Roll 126 [SEINet]

Notholaena grayi Davenp. - Gray's Cloak Fern

C.M. Roll 683 [SEINet], C.M. Roll 683 [SEINet], C.M. Roll 478 [SEINet]

Pellaea truncata Goodding - Spiny Cliffbrake

C.M. Roll 241 [SEINet], C.M. Roll 528 [SEINet]

RANUNCULACEAE

Anemone tuberosa Rydb. - Desert Thimbleweed

C.M. Roll 2568 [SEINet], C.M. Roll 2846 [SEINet]

Clematis drummondii Torr. & A. Gray - Texas Virgin's-Bower

C.M. Roll 1296 [SEINet], C.M. Roll 2813 [SEINet]

Delphinium wootonii Rydb. - Organ Mountain Larkspur

C.M. Roll 4059 [SEINet], C.M. Roll 62 [SEINet]

Myosurus cupulatus S. Wats. - Arizona Mousetail

C.M. Roll 2660 [SEINet]

Myosurus minimus L. - Tiny Mousetail

C.M. Roll 288 [SEINet], C.M. Roll 1780 [SEINet], C.M. Roll 1780 [SEINet], C.M. Roll 1680 [SEINet], more...

RHAMNACEAE

Ziziphus obtusifolia (Hook. ex Torr. & A. Gray) A. Gray - Lotebush

C.M. Roll 258 [SEINet], C.M. Roll 488 [SEINet]

ROSACEAE

Fallugia paradoxa (D. Don) Endl. ex Torr. - Apache-Plume

C.M. Roll 2015-11-21 [SEINet], C.M. Roll 244 [SEINet]

RUBIACEAE

Houstonia rubra Cav. - Red Bluet

C.M. Roll 197 [SEINet], C.M. Roll 454 [SEINet]

SALICACEAE

Populus fremontii S. Watson - Fremont cottonwood

C.M. Roll 907 [SEINet], C.M. Roll 1658 [SEINet]

Salix exigua Nutt. - Narrow-Leaf Willow

C.M. Roll 2881 [SEINet], C.M. Roll 2883 [SEINet]

Salix gooddingii C.R. Ball - Goodding's Black Willow

C.M. Roll 2748 [SEINet], C.M. Roll 2593 [SEINet], C.M. Roll 2635 [SEINet]

SAPINDACEAE

Sapindus drummondii Hook. & Arn. - western soapberry

C.M. Roll 362 [SEINet]

SAPOTACEAE

Sideroxylon lanuginosum Michx. - Gum Bully

C.M. Roll 922 [SEINet], C.M. Roll 1244 [SEINet]

SCROPHULARIACEAE

Verbascum virgatum Stokes - Wand Mullein

C.M. Roll 1957 [SEINet]

SOLANACEAE

Chamaesaracha coronopus (Dunal) A. Gray - South Texas Five-Eyes

C.M. Roll 112 [SEINet], C.M. Roll 137 [SEINet]

Chamaesaracha sordida (Dunal) A. Gray - Hairy Five-Eyes

C.M. Roll 656 [SEINet]

Datura wrightii Regel - Sacred Thorn-Apple

C.M. Roll 277 [SEINet]

Lycium andersonii A. Gray - Red-Berry Desert-Thorn

C.M. Roll 874 [SEINet]

Lycium pallidum Miers - Pale Desert-Thorn

C.M. Roll 1865 [SEINet], C.M. Roll 324 [SEINet]

Nicotiana obtusifolia M. Martens & Galeotti - Desert Tobacco

C.M. Roll 233 [SEINet], C.M. Roll 103 [SEINet]

Physalis acutifolia (Miers) Sandw. - Sharp-Leaf Ground-Cherry

C.M. Roll 2277 [SEINet], C.M. Roll 2794 [SEINet], C.M. Roll 913 [SEINet]

Physalis angulata L. - Cut-Leaf Ground-Cherry

C.M. Roll 2796 [SEINet]

Physalis hederifolia A. Gray - Ivy-Leaf Ground-Cherry

C.M. Roll 778 [SEINet], C.M. Roll 1376 [SEINet], C.M. Roll 828 [SEINet]

Physalis solanacea (Schltdl.) B. Axelius - netted globecherry

C.M. Roll 2817 [SEINet], C.M. Roll 2388 [SEINet]

Solanum douglasii Dunal - Green-Spot Nightshade

C.M. Roll 954 [SEINet], C.M. Roll 2793 [SEINet], C.M. Roll 521 [SEINet], C.M. Roll 2812 [SEINet]

Solanum elaeagnifolium Cav. - Silver-Leaf Nightshade

C.M. Roll 115 [SEINet], C.M. Roll 163 [SEINet]

Solanum jamesii Torr. - Wild Potato

C.M. Roll 2810 [SEINet]

Solanum rostratum Dunal - Horned Nightshade

C.M. Roll 2876 [SEINet]

TALINACEAE

Talinum paniculatum (Jacq.) Gaertn. - Spoon-Leaf Fameflower

C.M. Roll 649 [SEINet], C.M. Roll 840 [SEINet]

ULMACEAE

Ulmus pumila L. - Siberian Elm

C.M. Roll 838 [SEINet]

VERBENACEAE

Aloysia wrightii Heller ex Abrams - Wright's Beebrush

C.M. Roll 484 [SEINet], C.M. Roll 484 [SEINet]

Glandularia latilobata (L.M. Perry) G.L. Nesom - Broad-Lobe Mock Vervain

C.M. Roll 52 [SEINet]

Verbena bracteata Cav. ex Lag. & Rodr. - Carpet Vervain

C.M. Roll 1372 [SEINet], C.M. Roll 249 [SEINet], C.M. Roll 292 [SEINet], C.M. Roll 1361 [SEINet]

Verbena gracilis Desf. - Fort Huachuca Vervain

C.M. Roll 607 [SEINet], C.M. Roll 599 [SEINet], C.M. Roll 432 [SEINet], C.M. Roll 1267 [SEINet], more...

Verbena plicata Greene - Fan-Leaf Vervain

C.M. Roll 833 [SEINet], C.M. Roll 1439 [SEINet], C.M. Roll 606 [SEINet]

VIOLACEAE

Hybanthus verticillatus (Ortega) Baill. - babyslippers

C.M. Roll 140 [SEINet]

ZYGOPHYLLACEAE

Kallstroemia californica (S. Watson) Vail - California Caltrop

C.M. Roll 2329 [SEINet]

Kallstroemia grandiflora Torr. ex A. Gray - Orange Caltrop

C.M. Roll 546 [SEINet], C.M. Roll 546 [SEINet]

Kallstroemia hirsutissima Vail ex Small - Hairy Caltrop

C.M. Roll 2795 [SEINet]

Kallstroemia parviflora J.B.S. Norton - Warty Caltrop

C.M. Roll 573 [SEINet], C.M. Roll 2367 [SEINet], C.M. Roll 718 [SEINet], C.M. Roll 995 [SEINet]

Larrea tridentata (Sessé & Moc. ex DC.) Coville - Creosote-Bush

C.M. Roll 285 [SEINet]

Tribulus terrestris L. - Puncturevine

C.M. Roll 674 [SEINet]

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