Database containing summary geographic and ecological distribution information for over 8000 California vascular plant taxa, as well as additional habitat information for rare species of the Sierra Nevada.
Look-up photos and descriptions of California wildflowers by color, common name, Latin name or family.
Systematics, ecology, evolution, and natural history of the plants of California and adjacent western North America. Publisher of the journal Madroño.
Dedicated to finding solutions to problems caused by non-native pest plant invasions of the state's natural areas.
Educational resources about forest pests and forest health, and advises the California Board of Forestry and Fire Protection on forest health protection. Committees, reports, meetings, and events.
Non-profit organization dedicated to the preservation of California native plants through scientific activities, education, and conservation.
Vigorously advocates for a holistic, ecosystem approach to the practice of urban forestry, especially when influencing public policy and decision makers. Offers a newsletter, forest professional certification, publications, and general informational materials.
Advice and resources on gardening with native plants in California.
Created by the University of California's Sudden Oak Death Research Team, this site addresses the increasing number of oak trees in California that are dying from the fungal disease Phytophthora, and the effects the infestation is having on forest ecology.
The off the beaten path guide to seeing wildflowers. Seasons, destinations, picnic and camping spots.
Jay Sullivan presents a collection of over 1000 photographs of flowers found in southern and central California.
Thanks to DMOZ, which built a great web directory for nearly two decades and freely shared it with the web. About us