Pest Management Guidelines

Weed Photo Gallery, with common and scientific names

(Reviewed 5/13, updated 5/13)

In this Guideline: More about weeds in cotton:

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

Common name Scientific Name
Barley, foxtail Hordeum jubatum
Barley, hare Hordeum murinum ssp. leporinum
Barnyardgrass Echinochloa crus-galli
Bermudagrass Cynodon dactylon
Bindweed, field Convolvulus arvensis
Bluegrass, annual Poa annua
Bromegrasses Bromus spp.
Canarygrasses Phalaris spp.
Chickweeds Stellaria spp.
Clovers Trifolium spp.
Cockleburs Xanthium spp.
Crabgrass, large Digitaria sanguinalis
Cudweeds Gnaphalium spp.
Cupgrasses Eriochloa spp.
Datura, sacred Datura wrightii
Fescues Festuca spp.
Fiddlenecks Amsinckia spp.
Filarees Erodium spp.
Fingergrasses Chloris spp.
Fleabane, hairy Conyza bonariensis
Foxtails Setaria spp.
Goosefoot, nettleleaf Chenopodium murale
Groundcherries Physalis spp.
Groundsels Senecio vulgaris
Henbit Lamium amplexicaule
Horseweed Conyza spp.
Johnsongrass Sorghum halepense
Knapweed, Russian Acroptilon repens
Knotweed, common Polygonum arenastrum
Lambsquarters, common Chenopodium album
Lettuce, prickly Lactuca serriola
Lovegrasses Eragrostis spp.
Mallow, little (cheeseweed) Malva parviflora
Miner's lettuce Claytonia perfoliata
Morningglories Ipomoea spp.
Mustards Brassica spp.
Nettles Urtica spp.
Nightshade, silverleaf Solanum elaeagnifolium
Nightshades Solanum spp.
Nutsedges Cyperus spp.
Oat, wild Avena fatua
Pigweeds Amaranthus spp.
Pineapple-weed Chamomilla suaveolens
Polypogon, rabbitfoot Polypogon monospeliensis
Puncturevine Tribulus terrestris
Purslane, common Portulaca oleracea
Radish, wild Raphanus raphanistrum
Redmaids (desert rockpurslane) Calandrinia ciliata
Rocket, London Sisymbrium irio
Ryegrasses Lolium spp.
Sandburs Cenchrus spp.
Shepherd's-purse Capsella bursa-pastoris
Sida, alkali Malva leprosa
Sowthistles Sonchus spp.
Speedwells Veronica spp.
Sprangletops Leptochloa spp.
Spurges Euphorbia (=Chamaesyce) spp.
Sunflower, common Helianthus annuus
Thistle, Russian Salsola tragus
Thornapple, chinese Datura ferox
Velvetleaf Abutilon theophrasti
Witchgrass Panicum capillare


[UC Peer Reviewed]

UC IPM Pest Management Guidelines: Cotton
UC ANR Publication 3444

  • S. D. Wright, UC Cooperative Extension, Tulare County
  • D. J. Munier, UC Cooperative Extension, Glenn County
Acknowledgment for contributions to Weeds:
  • R. N. Vargas, UC Cooperative Extension, Madera County
  • T. S. Prather, Plant, Soil, and Entomological Sciences, Univ. of Idaho, Moscow, Idaho

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