| Chorizanthe membranacea | pink spineflower |
| Chorizanthe polygonoides var. polygonoides | knotweed spineflower |
| Eriogonum angulosum | |
| Eriogonum covilleanum | |
| Eriogonum fasciculatum var. foliolosum | California buckwheat |
| Eriogonum fasciculatum var. polifolium | |
| Eriogonum gracile var. gracile | slender buckwheat |
| Eriogonum inerme var. inerme | unarmed buckwheat |
| Eriogonum luteolum var. caninum | Tiburon buckwheat |
| Eriogonum luteolum var. luteolum | |
| Eriogonum nudum var. auriculatum | eared buckwheat |
| Eriogonum nudum var. pauciflorum | |
| Eriogonum nudum var. psychicola | Antioch Dunes buckwheat |
| Eriogonum roseum | virgate buckwheat |
| Eriogonum truncatum | Mt. Diablo buckwheat |
| Eriogonum umbellatum var. bahiiforme | sulfur flower |
| Eriogonum wrightii var. trachygonum | |
| Fallopia japonica | Japanese knotweed |
| Lastarriaea coriacea | |
| Muehlenbeckia complexa | maidenhair vine |
| Persicaria amphibia | water smartweed |
| Persicaria hydropiper | waterpepper |
| Persicaria hydropiperoides | false waterpepper |
| Persicaria lapathifolia | willow weed |
| Persicaria maculosa | lady's thumb |
| Persicaria punctata | |
| Polygonum argyrocoleon | persian knotweed |
| Polygonum aviculare subsp. aviculare | |
| Polygonum aviculare subsp. depressum | |
| Polygonum aviculare subsp. neglectum | |
| Polygonum aviculare subsp. rurivagum | |
| Polygonum ramosissimum subsp. ramosissimum | bushy knotweed |
| Pterostegia drymarioides | |
| Rumex acetosella | sheep sorrel |
| Rumex californicus | |
| Rumex conglomeratus | green dock |
| Rumex crassus | |
| Rumex crispus | curly dock |
| Rumex fueginus | golden dock |
| Rumex obtusifolius | bitter dock |
| Rumex occidentalis | western dock |
| Rumex pulcher | fiddle dock |
| Rumex salicifolius | willow dock |
| Rumex transitorius | |