Benicia State Parks Association
Website: http://protectbeniciastateparks.com
Location: Solano County
SPAN Members affiliated with Benicia State Recreation Area
California Native Plant Society – Willis Linn Jepson Chapter
Website: http://jepson.cnps.org/
Location: Solano County
Sonoma Ecology Center
Website: http://sonomaecologycenter.org
Location: Sonoma County
Photo Credit: Della Huff