| Bigelow's sneezeweed |
Helenium bigelovii |
1 |
| blessed milkthistle |
Silybum marianum |
1 |
| bull cottonthistle |
Onopordum tauricum |
1 |
| bull thistle |
Cirsium vulgare |
1 |
| burning nettle |
Urtica urens |
1 |
| California cottonrose |
Logfia filaginoides |
1 |
| Canada thistle |
Cirsium arvense |
1 |
| common groundsel |
Senecio vulgaris |
1 |
| common tarweed |
Centromadia pungens |
1 |
| cottonbatting plant |
Pseudognaphalium stramineum |
1 |
| curly dock |
Rumex crispus |
1 |
| dandelion |
Taraxacum officinale |
1 |
| desertbroom |
Baccharis sarothroides |
1 |
| feverfew |
Tanacetum parthenium |
1 |
| forked green fiddleneck |
Amsinckia vernicosa var. furcata |
1 |
| hairy fleabane |
Conyza bonariensis |
1 |
| horseweed |
Conyza canadensis |
1 |
| Jersey cudweed |
Pseudognaphalium luteoalbum |
1 |
| Kellogg's tarweed |
Deinandra kelloggii |
1 |
| Kern tarweed |
Deinandra pallida |
1 |
| ladies' tobacco |
Pseudognaphalium californicum |
1 |
| ladysthumb |
Persicaria maculosa |
1 |
| Mediterranean saltwort |
Salsola vermiculata |
2 |
| Mexican fireweed |
Kochia scoparia |
1 |
| narrowleaf cottonrose |
Logfia gallica |
1 |
| nettleleaf goosefoot |
Chenopodium murale |
1 |
| Pacific poison-oak |
Toxicodendron diversilobum |
1 |
| pale smartweed |
Persicaria lapathifolia |
1 |
| perennial sowthistle |
Sonchus arvensis |
1 |
| pineapple-weed |
Matricaria discoidea |
1 |
| poverty sumpweed |
Iva axillaris |
1 |
| prickly lettuce |
Lactuca serriola |
1 |
| puncturevine |
Tribulus terrestris |
1 |
| purple cudweed |
Gamochaeta purpurea |
1 |
| rush skeletonweed |
Chondrilla juncea |
1 |
| Russian thistle |
Salsola kali |
1 |
| Russian-thistle |
Salsola tragus |
1 |
| saltmarsh baccharis |
Baccharis douglasii |
1 |
| seepwillow |
Baccharis salicifolia |
1 |
| spiny sowthistle |
Sonchus asper |
1 |
| stinking chamomile |
Anthemis cotula |
1 |
| tall fleabane |
Conyza floribunda |
1 |
| two-color rabbit-tobacco |
Pseudognaphalium biolettii |
1 |
| western marsh cudweed |
Gnaphalium palustre |
1 |
| western ragweed |
Ambrosia psilostachya |
1 |
| wild safflower |
Carthamus oxyacanthus |
1 |
