California Oaks

California Oaks is the most comprehensive guide to California's native oak species. California Oaks is featuring detailed species profiles, interactive range maps, and a community-driven platform for improving distribution data. EXPLORE ALL CALIFORNIA OAKS Browse 33 native oak species plus their hybrids and varieties. Each species profile includes: • Common and scientific names with taxonomic section • Detailed descriptions of leaves, acorns, and bark • Growth form, height range, and elevation range • Habitat preferences and conservation status • Photo gallery • Related species, hybrids, and varieties POWERFUL SEARCH & FILTERING • Search by common name, scientific name, habitat, or description • Filter by taxonomic section (Lobatae, Quercus, Protobalanus) • Sort by name, growth form, section, size, or favorites • Toggle visibility of hybrids and varieties • Save your favorite species for quick access INTERACTIVE RANGE MAPS • View color-coded distribution maps for every species • Overlay multiple species to compare ranges • Tap anywhere on the map to identify which oaks grow at that location • Switch between Standard, Satellite, and Hybrid map styles • Individual occurrence points shown alongside range polygons COMMUNITY MAP EDITING • Suggest improvements to species range maps using an interactive polygon editor • Add, move, and delete boundary points with precision controls • Save drafts locally and submit when ready • Browse and vote on community submissions • Comment on other users' range map edits • View your submission history and moderator feedback BUILT FOR THE FIELD • Clean, intuitive interface designed for quick reference outdoors • Detailed botanical descriptions to help with identification • Sources cited from Jepson Flora Project, iNaturalist, and published literature