| Division | Species | Functional form | Condition |
| Chlorophyta | Codium fragile | Corticated macrophyte | (+) |
| Codium hubbsi | Corticated macrophyte | (−) | |
| Ulva californica | Foliose | (−) | |
| Ulva nematoidea | Foliose | (+) (−) | |
| Phaeophyta | Colpomenia sinuosa | Corticated macrophyte | (+) (−) |
| Dictyopteris undulata | Corticated foliose | (+) (−) | |
| Dictyota flabellata | Corticated foliose | (+) (−) | |
| Petrospongium rugosum | Crustose | (+) (−) | |
| Sargassum muticum | Leathery macrophyte | (+) (−) | |
| Silvetia compressadeliquescens | Leathery macrophyte | (−) | |
| Zonaria farlowii | Corticated foliose | (+) (−) | |
| Rhodophyta | Amphiroa zonata | Articulated calcareous | (+) (−) |
| Centroceras clavulatum | Corticated macrophyte | (+) (−) | |
| Corallina frondescens | Articulated calcareous | (+) (−) | |
| Corallina pinnatifolia | Articulated calcareous | (+) | |
| Corallina vancouverensis | Articulated calcareous | (+) (−) | |
| Endarachne binghamiae | Corticated macrophyte | (+) | |
| Hypnea valentiae | Corticated macrophyte | (+) (−) | |
| Laurencia pacifica | Corticated macrophyte | (+) (−) | |
| Lithrotrix aspergillum | Articulated calcareous | (+) (−) | |
| Mazzaella affinis | Corticated macrophyte | (−) | |
| Mazzaella leptorhynchus | Corticated macrophyte | (+) (−) | |
| Pterocladia caloglossoides | Corticated macrophyte | (+) | |
| Pterocladia californica | Corticated macrophyte | (+) | |
| Pterocladia capillacea | Corticated macrophyte | (+) (−) |