| Scientific Name | Notes | Rarity Ranks | Common Name |
|---|---|---|---|
| Cuscuta campestris | CNPS-EB: A2 | field dodder | |
| Microseris douglasii subsp. tenella | (subsp douglasii is more common) | CNPS-EB: A2 | silver puffs |
| Isoetes howellii | CNPS-EB: A1 | Howell's quillwort | |
| Alisma triviale | (formerly A. plantago-aquatica | CNPS-EB: B-PV | water plantain |
| Camissoniopsis micrantha | CNPS-EB: B-PV | small primrose | |
| Castilleja rubicundula subsp. lithospermoides | CNPS-EB: B-PV | cream sacs | |
| Deschampsia cespitosa subsp. cespitosa | CNPS-EB: B-PV | tufted hairgrass | |
| Hemizonia congesta subsp. lutescens | CNPS-EB: B | hayfield tarweed | |
| Juncus mexicanus | CNPS-EB: C | Mexican rush | |
| Lathyrus jepsonii var. californicus | CNPS-EB: B | buff pea | |
| Stipa pulchra | CNPS-EB: B-PV | purple needlegrass | |
| Trifolium fucatum | CNPS-EB: B-PV | bull clover | |
| Triglochin scilloides | CNPS-EB: C | flowering-quillwort | |
| Crassula aquatica | CNPS-EB: B | water pygmy-weed | |
| Holozonia filipes | CNPS-EB: B | whitecrown, holozonia | |
| Lepidium latipes | CNPS-EB: B-PV | dwarf peppergrass | |
| Monolopia major | CNPS-EB: B | cupped monolopia | |
| Plagiobothrys stipitatus var. stipitatus | (var. micranthus is more commo | CNPS-EB: B | showy great valley popcornflower, stipitate allocarya |
| Plagiobothrys tenellus | CNPS-EB: C | Pacific popcornflower, slender popcornflower | |
| Platanus racemosa | CNPS-EB: B-PV | western sycamore, California sycamore | |
| Salix gooddingii | CNPS-EB: B | Goodding's black willow | |
| Stellaria nitens | CNPS-EB: B-PV | shining chickweed |