Weeds Pages
Common names link to pages with weed descriptions and photos often showing several stages of development.
| Common Names | Scientific Names |
|---|---|
| Asparagus | Asparagus officinalis |
| Barley, hare | Hordeum leporinum |
| Barnyardgrass | Echinochloa crus-galli |
| Bermudagrass | Cynodon dactylon |
| Bindweed, field | Convolvulus arvensis |
| Blackberries | Rubus spp. |
| Bluegrass, annual | Poa annua |
| Bromegrasses | Bromus spp. |
| Burclover, California | Medicago polymorpha |
| Canarygrass | Phalaris canariensis |
| Catsear, common | Hypochaeris radicata |
| Chickweed, common | Stellaria media |
| Clovers | Trifolium spp. |
| Cockleburs | Xanthium spp. |
| Crabgrasses | Digitaria spp. |
| Cudweeds | Gnaphalium spp. |
| Dallisgrass | Paspalum dilatatum |
| Dandelion | Taraxacum officinale |
| Dock, curly | Rumex crispus |
| 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 |
| Junglerice | Echinochloa colona |
| Knotweed, common | Polygonum arenastrum |
| Knotweed, prostate | Polygonum aviculare |
| Lambsquarters, common | Chenopodium album |
| Lettuce, miner's | Claytonia perfoliata |
| Lettuce, prickly | Lactuca serriola |
| Lovegrasses | Eragrostis spp. |
| Mallow, little (cheeseweed) | Malva parviflora |
| Mustards | Brassica spp. |
| Nettle, burning | Urtica urens |
| Nettles | Urtica spp. |
| Nightshades | Solanum spp. |
| Nutsedge, yellow | Cyperus esculentus |
| Oat, wild | Avena fatua |
| Onion, wild | Allium canadense |
| Pigweeds | Amaranthus spp. |
| Pineappleweed | Chamomilla suaveolens |
| Poison-oak, Pacific | Toxicodendron diversilobum |
| Polypogon, rabbitfoot | Polypogon monspeliensis |
| Puncturevine | Tribulus terrestris |
| Purslane, common | Portulaca oleracea |
| Radish, wild | Raphanus raphanistrum |
| Redmaids (desert rockpurslane) | Calandrinia ciliate |
| Rocket, London | Sisymbrium irio |
| Ryegrasses | Lolium spp. |
| Sandburs | Cenchrus spp. |
| Shepherd's-purse | Capsella bursa-pastoris |
| Sorrel, red | Rumex acetosella |
| Sowthistles | Sonchus spp. |
| Speedwells | Veronica spp. |
| Sprangletops | Leptochloa spp. |
| Spurges | Euphorbia (=Chamaesyce) spp. |
| Star of Bethlehem | Ornithogalum umbellatum |
| Thistle, Russian | Salsola tragus |
| Willowherb, panicle-leaf | Epilobium brachycarpum |
| Witchgrass | Panicum capillare |
Text Updated: 08/17