Agriculture: Potato Pest Management Guidelines

Common and Scientific Names of Weeds

Common Name Scientific Name
barnyardgrass Echinochloa crus-galli
bermudagrass Cynodon dactylon
bindweed, field Convolvulus arvensis
bluegrass, annual Poa annua
buckwheat, wild Polygonum convolvulus
cudweeds Gnaphalium spp.
dodders Cuscuta spp.
fiddleneck, coast Amsinckia menziesii var. intermedia
foxtails Setaria spp.
johnsongrass Sorghum halepense
knotweed, common Polygonum arenastrum
lambsquarters, common Chenopodium album
mustards Brassica spp.
nettle, burning Urtica urens
nightshade, black Solanum nigrum
nightshade, hairy Solanum physalifolium
nutsedge, purple Cyperus rotundus
nutsedge, yellow Cyperus esculentus
oat, wild Avena fatua
pigweeds Amaranthus spp.
puncturevine Tribulus terrestris
purslane, common Portulaca oleracea
quackgrass Elytrigia repens
radish, wild Raphanus raphanistrum
rocket, London Sisymbrium irio
sandburs Cenchrus spp.
shepherd's-purse Capsella bursa-pastoris
smartweed, pale Polygonum lapathifolium
thistle, Canada Cirsium arvense
thistle, Russian Salsola tragus
witchgrass Panicum capillare
Text Updated: 08/19