California Native Plant Society works to conserve California native plants and their natural habitats, and increase understanding, appreciation, and horticultural use of native plant - dedicated to the preservation of California native flora.
CNPS chapter’s activities are organized at the chapter level where local members can directly influence programs and projects to meet varied interests and needs. Many chapters engage in weed eradication, conservation projects, rare plant monitoring, plant community sampling, speaker programs, and educational outreach.
CNPS was formed in 1965 in the east bay region, today CNSP host’s nearly 10,000 members through their five statewide programs and 34 regional chapters.
More information at: http://www.cnps.org