Barnaby's thistle
Centaurea solstitialis
yellow star-thistle
Chenopodium glaucum
oak-leaved goosefoot
oakleaf goosefoot
hoary alison
Picris echioides
hoary alyssum
oxtongue
bitterweed
Berteroa incana
bristly oxtongue
bugloss
Hieracium praealtum
king devil
leafy spurge
wolf's milk
yellow hawkweed
Euphorbia esula
Chenopodium vulvaria
stinking goosefoot
Russian thistle
Russian cactus
Salsola kali tenuifolia
Russian tumbleweed
tumbleweed
Tripleurospermum inodorum
scentless camomile
scentless mayweed
Matricaria inodorum
corn mayweed
scentless false camomile
scentless hayweed
wild spinach
Chenopodium album
lamb's-quarters
pigweed
shepherd's clock
meadow salsify
goatsbeard
Tragopogon pratensis
dog mercury
dog's mercury
field chamomile
Mercurialis perennis
corn chamomile
Anthemis arvensis
Cirsium arvense
arnica bud
creeping thistle
boar thistle
Canada thistle
genus Conyza
cypress spurge
Cirsium vulgare
alpine sunflower
Cirsium lanceolatum
Euphorbia cyparissias
Leontodon autumnalis
old man of the mountain
Hymenoxys grandiflora
fall dandelion
small-leaved linden
spear thistle
bull thistle
small-leaved lime
Tilia cordata
Tetraneuris grandiflora
Conyza
wild morning-glory
Mexican tea
feather geranium
Eupatorium capillifolium
Jerusalem oak
Chenopodium botrys
Convolvulus arvensis
dog fennel
field bindweed
Atriplex mexicana
Cycloloma atriplicifolium
winged pigweed
capeweed
cat's-ear
California dandelion
Helianthemum scoparium
rush rose
Hypochaeris radicata
gosmore
Verbascum blattaria
corn spurry
blue thistle
moth mullein
corn spurrey
Spergula arvensis
Echium vulgare
blue devil
blueweed