Natural history of Ventura County, California

Astragalus pycnostachyus var.

Astragalus pycnostachyus is a species of milkvetch known by the common name marsh milkvetch.

Eriogonum cinereum is a species of wild buckwheat known by the common names coastal buckwheat and ashyleaf buckwheat.

Eriogonum crocatum (conejo buckwheat or saffron buckwheat) is a species of Eriogonum, or Wild Buckwheat.

Lepechinia rossii is a rare species of flowering plant in the mint family known by the common name Ross' pitcher sage.

Fritillaria ojaiensis is a rare species of fritillary lily known by the common name Ojai fritillary.

Malacothrix junakii is a rare species of flowering plant in the aster family known by the common names Anacapa Island desert-dandelion, Junak's desertdandelion, and Junak's malacothrix.

Navarretia ojaiensis is a rare species of flowering plant in the phlox family known by the common name Ojai navarretia.

Ceanothus arboreus, with the common names feltleaf ceanothus, island ceanothus, and island mountain lilac, is a species of Ceanothus shrub in California.

The Channel Island spotted skunk (Spilogale gracilis amphiala) is an insular endemic carnivore and a subspecies of the western spotted skunk (Spilogale gracilis).

Dudleya palmeri is a succulent plant known by the common name Palmer's liveforever.

Dudleya verityi is a rare species of succulent plant known by the common name Verity's liveforever.

Calochortus fimbriatus is a California species of flowering plant in the lily family known by the common name Late-blooming mariposa lily.

Deinandra minthornii — (syn. Hemizonia minthornii) — is a rare California species of flowering plant in the aster family known by the common name Santa Susana tarplant, or Santa Susana tarweed.