Calflora Great Places to view California Native Plants:
CNPS Chapter: Channel Islands -- covering south coastal Santa Barbara County, Ventura County, and the westernmost portions of the San Fernando Valley.
Wildscaping for gardeners in Southern California: How to attract and nurture wildlife in your own yard.
Theodore Payne Foundation: Native Plant Garden Tour
Wild Plants in Ventura County Native Plants, by lifeform Native Plants at the edge of their range non-Native Plants by Jepson Bioregion: Transverse Ranges South Coast Channel Islands
What Grows Here? -- a county level flora --