Pest Management Guidelines

Weed Photo Gallery,
with common and scientific names

(Reviewed 12/09 , updated 12/09)

In this Guideline: More about weeds in peppers:

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
Bluegrass, annual Poa annua
Bindweed, field Convolvulus arvensis
Bromegrasses Bromus spp.
Burclover, California Medicago hispida
Canarygrasses Phalaris canariensis
Chickweed, common Stellaria media
Cockleburs Xanthium spp.
Crabgrasses Digitaria spp.
Cudweeds Gnaphalium spp.
Dodders Cuscuta spp.
Fescue, tall Festuca arundinacea
Fiddlenecks Amsinckia spp.
Filarees Erodium spp.
Fleabane, hairy Conyza bonariensis
Foxtails Setaria spp.
Goosefoot, nettleleaf Chenopodium murale
Groundcherries Physalis spp.
Groundsel, common Senecio vulgaris
Henbit Lamium amplexicaule
Horseweed, common Conyza canadensis
Johnsongrass Sorghum halepense
Knotweed, common Polygonum spp.
Lambsquarters, common Chenopodium album
Lettuce, prickly Lactuca serriola
London rocket Sisymbrium irio
Mallow, little (Cheeseweed) Malva parviflora
Miner's lettuce Claytonia perfoliata
Mustards Brassica spp.
Nettles Urtica spp.
Nightshades Solanum spp.
Nutsedges Cyperus spp.
Oats, wild Avena fatua
Pigweeds Amaranthus spp.
Pineapple-weed Chamomilla suaveoleus
Polypogon, rabbitfoot Polypogon monspeliensis
Puncturevine Tribulus terrestris
Purslane, common Portulaca oleracea
Radish, wild Raphanus raphanistrum
Redmaids (Desert rockpurslane) Calandrinia ciliata
Ryegrass Lolium spp.
Sandburs Cenchrus spp.
Shepherd's-purse Capsella bursa-pastoris
Sowthistles Sonchus spp.
Speedwells Veronica spp.
Spurges Chamaesyce spp.
Sweetclovers Melilotis spp.
Thistle, Russian Salsola tragus
Witchgrass Panicum capillare


[UC Peer Reviewed]

UC IPM Pest Management Guidelines: Peppers
UC ANR Publication 3460

R. F. Smith, UC Cooperative Extension, Monterey County
O. Daugovish, UC Cooperative Extension, Ventura County
Acknowledgment for contributions to Weeds:
C. E. Bell, UC Cooperative Extension, Imperial County
W. T. Lanini, Weed Science/Plant Sciences, UC Davis

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