Summary ²

The birch family, Betulaceae, includes six genera of deciduous nut-bearing trees and shrubs, including the birches, alders, hazels, hornbeams and hop-hornbeams, numbering about 130 species. They are mostly natives of the temperate Northern Hemisphere, with a few species reaching the Southern Hemisphere in the Andes in South America.

Sources and Credits

1. (c) Charles Tilford, some rights reserved (CC BY-NC-SA), http://www.flickr.com/photos/51159953@N00/2872791547
2. (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Betulaceae

More Info

• iNat taxon page
• Biodiversity Heritage Library
• BOLD Systems BIN search
• eFloras.org
• Global Biodiversity Information Facility (GBIF)
• SEINet Symbiota portals
• Tropicos

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