Weeds Pages
Common names link to pages with weed descriptions and photos often showing several stages of development.
| Common Name | Scientific Name |
|---|---|
| Asparagus | Asparagus officinalis |
| Barley, Hare | Hordeum murinum ssp. 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 |
| Chickweed, Common | Stellaria media |
| Clover, White | Trifolium repens |
| Cockleburs | Xanthium spp. |
| Crabgrass, Large | Digitaria sanguinalis |
| 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 |
| Groundsel, Common | Senecio vulgaris |
| Henbit | Lamium amplexicaule |
| Horseweed | Conyza canadensis |
| Johnsongrass | Sorghum halepense |
| Knotweed, Common | Polygonum arenastrum |
| Ladysthumb | Polygonum persicaria |
| Lambsquarters, Common | Chenopodium album |
| Lettuce, Prickly | Lactuca serriola |
| Lovegrasses | Eragrostis spp. |
| Mallow, Little (cheeseweed) | Malva parviflora |
| Miner's Lettuce | Claytonia perfoliata |
| Mustards | Brassica spp., Sinapis spp. |
| Nettles | Urtica spp. |
| Nightshade, Black | Solanum nigrum |
| Nightshade, Hairy | Solanum physalifolium |
| Nightshade, Silverleaf | Solanum elaeagnifolium |
| Nutsedge, Yellow | Cyperus esculentus |
| Oat, Wild | Avena fatua |
| Pigweeds | Amaranthus spp. |
| Pineapple-weed | 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 ciliata |
| Rocket, London | Sisymbrium irio |
| Ryegrass, Italian | Lolium multiflorum |
| Sandburs | Cenchrus spp. |
| Shepherd's-purse | Capsella bursa-pastoris |
| Smartweed, Pale | Polygonum lapathofolium |
| Sorrel, Red | Rumex acetosella |
| Sowthistles | Sonchus spp. |
| Speedwells | Veronica spp. |
| Spurges | Chamaesyce spp. |
| Sweetclover, Yellow | Melilotus officinalis |
| Thistle, Russian | Salsola tragus |
| Tomatillo | Physalis spp. |
| Witchgrass | Panicum capillare |