Agriculture: Onion and Garlic Pest Management Guidelines

Common and Scientific Names of Weeds

Common names link to pages with weed descriptions and photos often showing several stages of development.

Common Name Scientific Name
barley, hare Hordeum murinum ssp. leporinum
barnyardgrass Echinochloa crus-galli
bermudagrass Cynodon dactylon
bindweed, field Convolvulus arvensis
bluegrass, annual Poa annua
burclover, California Medicago polymorpha
canarygrass Phalaris minor
chickweed, common Stellaria media
crabgrasses Digitaria spp.
cudweeds Gnaphalium spp.
docks Rumex spp.
dodders Cuscuta spp.
fiddlenecks Amsinckia spp.
filarees Erodium spp.
fleabane, hairy Conyza bonariensis
foxtails Setaria spp.
goosefoot Chenopodium spp.
groundcherries Physalis spp.
groundsels Senecio spp.
henbit Lamium amplexicaule
horseweed Conyza canadensis
johnsongrass Sorghum halepense
knotweed, common Polygonum arenastrum
kochia Kochia scoparia
lambsquarters, common Chenopodium album
lettuce, prickly Lactuca serriola
lovegrasses Eragrostis spp.
mallow, little (cheeseweed) Malva parviflora
morningglories Ipomoea spp.
mustards Brassica spp.
nettles Urtica spp.
nightshade, black Solanum nigrum
nightshade, hairy Solanum sarrachoides
nutsedge, purple Cyperus rotundus
nutsedge, yellow Cyperus esculentus
oat, wild Avena fatua
panicum, fall Panicum dichotomiflorum
pigweeds Amaranthus spp.
puncturevine Tribulus terrestris
purslane, common Portulaca oleracea
radish, wild Raphanus raphanistrum
rocket, London Sisymbrium irio
ryegrasses Lolium spp.
shepherd's-purse Capsella bursa-pastoris
sowthistles Sonchus spp.
sunflowers Helianthus spp.
sweetclovers Melilotus spp.
swinecress, greater Lepidium coronopus

thistle, Canada Cirsium arvense
thistle, Russian Salsola tragus
Text Updated: 09/18