Tree Encyclopedia
The Robert O’Brien Botanical Archive
Every tree and plant in the collection, arranged as a field reference. Each entry gives the common and scientific name, the botanical family and where the species grows wild, with links to its prints. Browse alphabetically, by plant family or by native region, or search by any name.
- 101
- species
- 32
- plant families
- 107
- prints
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Native trees by region
Browse the North American species by where they grow wild, or shop by state. Many range across several regions and appear in each.