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 |
| 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 |
| clover, white | Trifolium repens |
| cockleburs | Xanthium spp. |
| crabgrasses | Digitaria spp. |
| cudweeds | Gnaphalium spp. |
| dallisgrass | Paspalum dilatatum |
| dandelion | Taraxacum officinale |
| dock, curly | Rumex crispus |
| fescue, red | Festuca rubra |
| fescues | Festuca spp. |
| fiddlenecks | Amsinckia spp. |
| filarees | Erodium spp. |
| fleabane, hairy | Conyza bonariensis |
| fluvellins | Kickxia spp. |
| foxtails | Setaria spp. |
| goosefoot, nettleleaf | Chenopodium murale |
| groundcherries | Physalis spp. |
| groundsel, common | Senecio vulgaris |
| henbit | Lamium amplexicaule |
| horseweed, common | Conyza canadensis |
| johnsongrass | Sorghum halepense |
| knotweed, oval-leaf | Polygonum spp. |
| ladysthumb | Polygonum persicaria |
| lambsquarters, common | Chenopodium album |
| lettuce, prickly | Lactuca serriola |
| lovegrasses | Eragrostis spp. |
| mallow, little (cheeseweed) | Malva parviflora |
| miner's lettuce | Claytonia perfoliata |
| mullein | Verbascum spp. |
| mustards | Brassica spp. |
| nettles | Urtica spp. |
| nightshades | Solanum spp. |
| nutsedge, purple | Cyperus rotundus |
| nutsedge, yellow | Cyperus esculentus |
| oat, wild | Avena fatua |
| pigweeds | Amaranthus spp. |
| pineappleweed | Chamomilla suaveolens |
| poison-oak, Pacific | Toxicodendron diversilobum |
| polypogon, rabbitfoot | Polypogon monospeliensis |
| puncturevine | Tribulus terrestris |
| purslane, common | Portulaca oleracea |
| radish, wild | Raphanus raphanistrum |
| redmaids (desert rock purslane) | 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. |
| sprangletop | Leptochloa spp. |
| starthistle, yellow | Centaurea solstitialis |
| thistle, Russian | Salsola tragus |
| velvetleaf | Abutilon theophrasti |
| willowherb, tall annual | Epilobium brachycarpum |
| witchgrass | Panicum capillare |