Treeture Treasure
Science, Agriculture, Forestry, Urban Forestry - Treeture Web Site. Treetures represent an environmental education effort with a direct focus on trees.
https://www.treetures.com/
Urban Forestry
OpenTreeMap - Open source geography-enabled urban tree inventory
OpenTreeMap can be used in a single municipality or cover a broader geographic region with many communities, anywhere in the world.
https://www.azavea.com/products/opentreemap/