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California Trees: A Field Guide to the Native Species

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by Matt Ritter and Michael Kaufmann, 2025. Paperback, 

California Trees explores the majestic and diverse world of California’s largest organisms. It is a comprehensive guide celebrating the beauty and ecological significance of the state’s 95 native species. From the towering redwoods of the northern coast to the iconic Joshua trees of the desert, Trees of California takes readers on a journey through the state’s varied landscapes, showcasing the remarkable diversity of its arboreal inhabitants.

The Book Includes:

  • ID tips and photos for 95 native tree species (Download the companion checklist [pdf])
  • Refined range maps for each tree built with community science
  • Detailed photo collections for identifying each species
  • Destinations for finding trees in California
  • Exploration of forest types and landscapes from across the state
  • Sidebars exploring natural and cultural history of the state’s arboreal legacy