Onion and Garlic

Agricultural pest management

Weed Photo Gallery,
with common and scientific names

(Reviewed 1/07, updated 6/08)

In this Guideline: More about weeds in onion and garlic:

Common names link to pages with weed descriptions and photos, up to 100K, 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 canariensis
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
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.
thistle, Russian Salsola tragus


[UC Peer Reviewed]

UC IPM Pest Management Guidelines: Onion and Garlic
UC ANR Publication 3453


R. Smith, UC Cooperative Extension, Monterey County
S. A. Fennimore, Vegetable Crop and Weed Science, UC Davis and Salinas
S. Orloff, UC Cooperative Extension, Siskiyou County

Acknowledgment for contributions to Weeds:
C. E. Bell, UC Cooperative Extension, San Diego County
D. W. Cudney, Botany and Plant Sciences, UC Riverside
G. J. Poole, UC Cooperative Extension, Los Angeles County

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