Weeds Flashcards
spotted knapweed

Centaurea maculosa
SP
Aster/Asteraceae

meadow knapweed

Centaurea pratensis
SP
Aster/Asteraceae

scentless chamomile

Matricaria perforata
SP
Aster/Asteraceae

pineapple weed

Matricaria matricarioides
Aster/Asteraceae

perennial sowthistle

Sonchus arvensis
CP
Aster/Asteraceae

spiny annual sowthistle

Sonchus asper
Aster/Asteraceae

common tansy

Tanacetum vulgare
CP
Aster/Asteraceae

ox-eye daisy

Chrysanthemum leucanthemum
CP
Aster/Asteraceae

flixweed

Descurainia sophia
Mustard/Brassicaceae

Russian pigweed

Axyris amaranthoides
Goosefoot/Chenopodiaceae

lamb’s quarters

Chenopodium album
Goosefoot/Chenopodiaceae

kochia

Kochia scoparia
Goosefoot/Chenopodiaceae
Russian thistle

Salsola pestifer
Goosefoot/Chenopodiaceae

redroot pigweed

amaranthus retroflexus
Amararanth/Amaranthaceae

blue bur

Lappula squarrosa
Borage/Boraginaceae

blueweed

Echium vulgare
Borage/Boragaceae

tartary buckwheat

Fagopyrum tartaricum
Buckwheat/Polygonaceae

wild buckwheat

Polygonum convolvulus
Buckwheat/Polygonaceae

tall buttercup

Ranunculus acris
SP
Buttercup/Ranunculaceae

yellow toadflax

Linaria vulgaris
CP
Figwort/Scrophulariaceae

dalmation toadflax

Linaria dalmatica
CP
Figwort/Scrophulariaceae

stork’s bill

Erodium cicutarium
Geranium/Geraniaceae

purple loosestrife

Lythrum salicaria
SP
Loosestrife/Lythraceae

round-leaved (common) mallow

Malva rotundifolia
Mallow/Malvaceae






















