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Plant
habit
trees
shrubs
herbaceous
grass-like
cactus-like / succulents
special groups
composites
legumes
spurges
dicots
monocots
longevity
annual or biennial
perennial
armature
unarmed
armed
sap
latex absent (sap clear)
latex present
Leaves
arrangement/phyllotaxy
basal
alternate
opposite
whorled
fascicled/clustered along stem
blade division
all simple
deeply lobed or divided
some or all fully compound
leaf attachment
sessile or nearly so
leaf stalk (petiole) clearly present
winged petiolate
sheathing
Flower
principal flower color
white or cream
purple
blue
green
yellow
orange
red
pink
brown
inconspicuous
Fruit or Cone
fruit consistency at maturity
dry/leathery
fleshy
S. Holiday, M. Joe, M. Buchmann
Species Count: 104
Amaranthaceae
Allenrolfea occidentalis
Amaranthus albus
Atriplex canescens
Atriplex confertifolia
Atriplex obovata
Halogeton glomeratus
Krascheninnikovia lanata
Salsola tragus
Tidestromia lanuginosa
Asparagaceae
Yucca baileyi
Asteraceae
Acroptilon repens
Ambrosia tomentosa
Artemisia bigelovii
Artemisia filifolia
Artemisia frigida
Chaenactis stevioides
Chaetopappa ericoides
Conyza canadensis
Dieteria canescens
Erigeron divergens
Gaillardia pinnatifida
Gutierrezia microcephala
Helianthus annuus
Heterotheca subaxillaris
Isocoma drummondii
Lorandersonia baileyi
Pectis angustifolia
Senecio flaccidus
Senecio spartioides
Stephanomeria tenuifolia
Thelesperma megapotamicum
Verbesina encelioides
Xanthium strumarium
Zinnia grandiflora
Boraginaceae
Heliotropium convolvulaceum
Tiquilia latior
Brassicaceae
Dimorphocarpa wislizeni
Stanleya pinnata
Streptanthella longirostris
Cactaceae
Cylindropuntia whipplei
Opuntia polyacantha
Sclerocactus whipplei
Ephedraceae
Ephedra torreyana
Ephedra viridis
Euphorbiaceae
Chamaesyce parryi
Croton texensis
Euphorbia albomarginata
Euphorbia glyptosperma
Fabaceae
Alhagi maurorum
Astragalus fucatus
Astragalus sabulonum
Astragalus xiphoides
Dalea lanata
Parryella filifolia
Pomaria jamesii
Psorothamnus scoparius
Linaceae
Linum aristatum
Loasaceae
Mentzelia multiflora
Malvaceae
Sphaeralcea hastulata
Sphaeralcea incana
Sphaeralcea parvifolia
Martyniaceae
Proboscidea parviflora
Nyctaginaceae
Abronia elliptica
Allionia incarnata
Boerhavia spicata
Mirabilis linearis
Onagraceae
Oenothera curtiflora
Poaceae
Aristida purpurea
Bouteloua aristidoides
Bouteloua barbata
Bouteloua curtipendula
Bouteloua eriopoda
Bouteloua gracilis
Bromus rubens
Dasyochloa pulchella
Echinochloa crus-galli
Enneapogon desvauxii
Eragrostis pectinacea
Eriocoma hymenoides
Hilaria jamesii
Leymus cinereus
Muhlenbergia pungens
Munroa squarrosa
Panicum capillare
Sporobolus airoides
Sporobolus contractus
Sporobolus coromandelianus
Sporobolus flexuosus
Sporobolus giganteus
Vulpia bromoides
Polemoniaceae
Ipomopsis gunnisonii
Ipomopsis longiflora
Ipomopsis polycladon
Polygonaceae
Eriogonum divaricatum
Eriogonum leptocladon
Portulacaceae
Portulaca oleracea
Sarcobataceae
Sarcobatus vermiculatus
Solanaceae
Chamaesaracha coronopus
Datura wrightii
Lycium pallidum
Solanum elaeagnifolium
Tamaricaceae
Tamarix chinensis
Zygophyllaceae
Kallstroemia parviflora
Tribulus terrestris