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The Urban Forest Map is a collaboration of government, nonprofits, businesses and you to build an inventory of San Francisco's urban forest. More »

The urban forest needs our help to survive and grow. Understanding what is out there is one of the first steps to planning for the future. More »

As a citizen forester, you can get involved by searching for trees, verifying records, and by adding the trees in your neighborhood! More »

What if I don't know the species?

How do I measure the trunk diameter?

What are the ecosystem services?

See all FAQs »