Forbs and Subshrubs
Abutilon abutiloides
shrubby Indian mallow
Abutilon incanum
pelotazo
Abutilon parishii
Parish's Indian mallow
Abutilon parvulum
dwarf Indian mallow
Acaciella angustissima
prairie acacia
Acalypha neomexicana
New Mexico copperleaf
Achillea millefolium
common yarrow
Aconitum columbianum
Columbian monkshood
Acourtia nana
dwarf desert peony
Acourtia wrightii
brownfoot
Acroptilon repens
hardheads
Adenophyllum porophylloides
San Felipe dogweed
Agastache pallidiflora
Bill Williams Mountain giant hyssop
Agastache wrightii
Sonoran giant hyssop
Ageratina herbacea
fragrant snakeroot
Agoseris aurantiaca
orange agoseris
Agoseris glauca
false agoseris
Agoseris heterophylla
annual agoseris
Agrimonia striata
roadside agrimony
Aletes macdougalii
MacDougal's Indian parsley
Alisma subcordatum
American water plantain
Alisma triviale
northern water plantain
Allionia choisyi
annual windmills
Allionia incarnata
trailing windmills
Allium acuminatum
tapertip onion
Allium bigelovii
Bigelow's onion
Allium bisceptrum
twincrest onion
Allium cernuum
nodding onion
Allium macropetalum
largeflower onion
Allophyllum gilioides
dense false gilyflower
Alternanthera caracasana
washerwoman
Amaranthus albus
prostrate pigweed
Amaranthus blitoides
mat amaranth
Amaranthus fimbriatus
fringed amaranth
Amaranthus hybridus
slim amaranth
Amaranthus palmeri
carelessweed
Amaranthus powellii
Powell's amaranth
Amaranthus retroflexus
redroot amaranth
Amaranthus torreyi
Bigelow's amaranth
Amaranthus wrightii
Wright's amaranth
Ambrosia acanthicarpa
flatspine bur ragweed
Ambrosia artemisiifolia
annual ragweed
Ambrosia confertiflora
weakleaf bur ragweed
Ambrosia psilostachya
western ragweed
Ambrosia trifida
great ragweed
Amsinckia menziesii
Menzies' fiddleneck
Amsinckia tessellata
bristly fiddleneck, Amsinckia washintonensis
Amsonia palmeri
Palmer's bluestar
Amsonia tomentosa
wooley bluestar
Androsace occidentalis
western rockjasmine
Androsace septentrionalis
pygmy rockjasmine
Anemone tuberosa
tuber anemone
Anemopsis californica
yerba mansa
Anoda cristata
crested anoda
Anoda pentaschista
field anoda
Antennaria marginata
whitemargin pussytoes
Antennaria parvifolia
small-leaf pussytoes
Anthemis cotula
stinking chamomile
Antheropeas wallacei
woolly easterbonnets
Anulocaulis leiosolenus
Southwestern ringstem
Apium graveolens
wild celery
Apocynum androsaemifolium
spreading dogbane
Apocynum cannabinum
Indianhemp
Apodanthera undulata
melon-loco
Aquilegia chrysantha
golden columbine
Arabis fendleri
Fendler's rockcress
Arabis glabra
tower rockcress
Arabis gracilipes
Flagstaff rockcress
Arabis perennans
perennial rockcress
Aralia racemosa
American spikenard
Arenaria fendleri
Fendler's sandwort
Argemone pleiacantha
southwestern pricklypoppy
Argythamnia neomexicana
New Mexico silverbush
Artemisia campestris
field sagewort
Artemisia carruthii
Carruth's sagewort
Artemisia dracunculus
tarragon
Artemisia filifolia
sand sagebrush
Artemisia ludoviciana
white sagebrush
Asclepias asperula
spider milkweed
Asclepias engelmanniana
Engelmann's milkweed
Asclepias involucrata
dwarf milkweed
Asclepias latifolia
broadleaf milkweed
Asclepias nyctaginifolia
Mojave milkweed
Asclepias subverticillata
horsetail milkweed
Asclepias tuberosa
butterfly milkweed
Asparagus officinalis
garden asparagus
Asphodelus fistulosus
onionweed
Astragalus allochrous
halfmoon milkvetch
Astragalus amphioxys
crescent milkvetch
Astragalus calycosus
Torrey's milkvetch
Astragalus humistratus
groundcover milkvetch
Astragalus lentiginosus
freckled milkvetch
Astragalus newberryi
Newberry's milkvetch
Astragalus nuttallianus
smallflowered milkvetch
Astragalus tephrodes
ashen milkvetch
Astragalus wootonii
halfmoon milkvetch
Athysanus pusillus
common sandweed
Atriplex elegans
wheelscale saltbush
Atriplex rosea
tumbling saltweed
Atriplex wrightii
Wright's saltbush