Agricultural pest management

Weed Photo Gallery,
with common and scientific names

(Reviewed 9/08, updated 9/08)

In this Guideline: More about weeds in citrus:

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 leporinum
Barnyardgrass Echinochloa crus-galli
Bermudagrass Cynodon dactylon
Bindweed, field Convolvulus arvensis
Bluegrass, annual Poa annua
Bromegrasses Bromus spp.
Burclover, California Medicago polymorpha
Canarygrass Phalaris canariensis
Chickweed, common Stellaria media
Cockleburs Xanthium spp.
Crabgrass, large Digitaria sanguinalis
Cudweeds Gnaphalium spp.
Dallisgrass Paspalum dilatatum
Eveningprimrose, cutleaf Oenothera laciniata
Fescue, red Festuca rubra
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
Knotweeds Polygonum spp.
Lambsquarters, common Chenopodium album
Lettuce, prickly Lactuca serriola
Lovegrasses Eragrostis spp.
Mallow, little (cheeseweed) Malva parviflora
Miner's lettuce Claytonia perfoliata
Morningglory, annual Ipomoea spp.
Mullein, turkey Croton (=Eremocarpus) setigerus
Mustards Brassica spp.
Nettle, burning Urtica urens
Nightshades Solanum spp.
Nutsedge, purple Cyperus rotundus
Nutsedge, yellow Cyperus esculentus
Oat, wild Avena fatua
Pigweeds Amaranthus spp.
Pineapple-weed Chamomilla suaveolens
Polypogon, rabbitsfoot Polypogon monspeliensis
Puncturevine Tribulus terrestris
Purslane, common Portulaca oleracea
Radish, wild Raphanus raphanistrum
Redmaids (desert rockpurslane) Calandrinia ciliata
Rocket, London Sisymbrium irio
Ryegrass, Italian Lolium multiflorum
Sandburs Cenchrus spp.
Shepherd's-purse Capsella bursa-pastoris
Sowthistles Sonchus spp.
Speedwells Veronica spp.
Sprangletops Leptochloa spp.
Spurge, spotted Euphorbia (=Chamaesyce) maculata
Sweetclovers Melilotis spp.
Thistle, Russian Salsola tragus
Witchgrass Panicum capillare


[UC Peer Reviewed]

UC IPM Pest Management Guidelines: Citrus
UC ANR Publication 3441


  • N. V. O'Connell, UC Cooperative Extension, Tulare County
Acknowledgment for contributions to Weeds:
  • A. Shrestha, UC IPM Program, Kearney Agricultural Center, Parlier
  • T. S. Prather, Dept. PSES, Univ. of Idaho
  • D. W. Cudney, Botany and Plant Sciences, UC Riverside

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