Pest Management Guidelines

Weed Photo Gallery,
with common and scientific names

(Reviewed 1/09, updated 10/05)

In this Guideline: More about weeds in carrot:

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
Canarygrasses Phalaris spp.
Chickweed, common Stellaria media
Clovers Trifolium spp.
Crabgrasses Digitaria spp.
Cudweeds Gnaphalium spp.
Docks Rumex spp.
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 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
Morningglory, annual 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.
Thistle, Russian Salsola tragus


[UC Peer Reviewed]

UC IPM Pest Management Guidelines: Carrot
UC ANR Publication 3438

  • R. F. Smith, UC Cooperative Extension, Monterey County
  • J. Nunez, UC Cooperative Extension, Kern County
Acknowledgment for contributions to Weeds:
  • C. E. Bell, UC Cooperative Extension, San Diego County
  • G. J. Poole, UC Cooperative Extension, Los Angeles County

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