Summary ²

Birch is a broadleaved deciduous hardwood tree of the genus Betula (/ˈbɛtjʊlə/), in the family Betulaceae, which also includes alders, hazels, and hornbeams, and is closely related to the beech/oak family, Fagaceae. The genus Betula contains 30 to 60 known taxa of which 11 are on the IUCN 2011 Red List of Threatened Species. They are typically rather short-lived pioneer species widespread in the Northern Hemisphere, particularly in northern temperate and boreal climates. This tree is...

Sources and Credits

1. (c) L S, some rights reserved (CC BY-NC), http://www.flickr.com/photos/27632962@N04/2737342196
2. (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Betula

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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