Weeds Pages
Common names link to pages with weed descriptions and photos often showing several stages of development.
| Common Name | Scientific Name |
|---|---|
| Amaranth, Palmer | Amaranthus palmeri |
| Barley, hare | Hordeum murinum subsp. leporinum |
| Barnyardgrass | Echinochloa crus-galli |
| Bluegrass, annual | Poa annua |
| Brome, ripgut | Bromus rigidus |
| Burclover | Medicago polymorpha |
| Buttercup | Ranunculus californicus |
| Canarygrass | Phalaris sp. |
| Celery, wild | Ciclospermum leptophyllum |
| Chickweed, common | Stellaria media |
| Cocklebur, common | Xanthium strumarium |
| Dock, curly (seedling) | Rumex crispus |
| Dovefoot | Geranium molle |
| Fescue, rattail | Vulpia myuros |
| Fiddleneck | Amsinckia intermedia |
| Filarees | Erodium spp. |
| Fleabane, hairy | Conyza bonariensis |
| Foxtail, yellow and green | Setaria spp. |
| Goosegrass | Eleusine indica |
| Groundsel, common | Senecio vulgaris |
| Henbit | Lamium amplexicaule |
| Jimsonweed | Datura stramonium |
| Knotweeds | Polygonum spp. |
| Kochia | Kochia scoparia |
| Lambsquarters, common | Chenopodium album |
| Lettuce, prickly | Lactuca serriola |
| Mallow, little (cheeseweed) | Malva parviflora |
| Milkthistle | Silybum marianum |
| Miner's lettuce | Claytonia perfoliata |
| Mustard, black | Brassica nigra |
| Nettle, burning | Urtica urens |
| Nightshade, hairy | Solanum sarrachoides |
| Oat, wild | Avena fatua |
| Oxtongue, bristly | Picris echioides |
| Pigweeds | Amaranthus spp. |
| Pineapple-weed | Chamomilla suaveolens |
| Punagrass | Achnatherum brachychaetum |
| Radish, wild | Raphanus raphanistrum |
| Redmaids (desert rockpurslane) | Calandrinia ciliata |
| Rocket, London | Sisymbrium irio |
| Rush, toad | Juncus bufonius |
| Ryegrass, Italian | Lolium multiflorum |
| Shepherd's-purse | Capsella bursa-pastoris |
| Smartweed, water | Polygonum amphibium var. emersum |
| Sowthistle | Sonchus oleraceus |
| Speedwell, thymeleaf | Veronica serpyllifolia |
| Spurge, petty | Euphorbia peplus |
| Spurry, corn | Spergula arvensis |
| Starthistle, yellow | Centaurea solstitialis |
| Sunflower, yellow | Helianthus annuus |
| Swinecress | Coronopus spp. |
| Thistle, Russian | Salsola spp. |
| Wheat, volunteer | Triticum aestivum |
| Willowherb | Epilobium spp. |