Calflora Great Places to view California Native Plants:
CNPS Chapter: El Dorado -- covering the Sierra Foothills area around Placerville.
CNPS Chapter: Tahoe
Wild Plants in El Dorado County Native Plants, by lifeform Native Plants at the edge of their range non-Native Plants by Jepson Bioregion: High Sierra Nevada Sierra Nevada Foothills
What Grows Here? -- a county level flora --