Family Betulaceae Gray 1822 (birch)

Magnoliopsida - Fagales - Betulaceae

Parent taxon: Fagales according to D.J. Mabberley 2000

See also Hickey 1977, MacGinitie 1941, Shoshani et al. 1989 and Taylor et al. 2008

Sister taxa: Casuarinaceae, Fagaceae, Nothofagaceae, Nothofagidites, Ticodendraceae

Subtaxa: Alnus Betula Carpinus Corylus Cranea Ostrya

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Distribution:

• Quaternary of Canada (3: Alberta, British Columbia, Ontario collections), France (4), Italy (1), Japan (5), the United Kingdom (4), United States (15: Alaska, Michigan, North Carolina, South Carolina, Virginia, Washington)

• Pliocene to Pleistocene of Bolivia (1), Italy (1)

• Pliocene of Canada (1: Northwest Territories), Germany (10), Japan (3), the Russian Federation (1), Slovakia (1), United States (3: California, Florida, Nevada)

• Hemphillian of United States (1: Tennessee)

• Miocene to Oligocene of United States (1: Montana)

• Miocene to Pliocene of France (1), Germany (1), Japan (5), United States (1: Nebraska)

• Miocene of Azerbaijan (2), Canada (1: Northwest Territories), China (1), Germany (68), Japan (13), Poland (2), the Russian Federation (20), Switzerland (1), Turkey (1), United States (24: California, Idaho, Montana, Nevada, Virginia, Washington)

• Oligocene to Miocene of Germany (1), United States (3: Montana)

• Oligocene to Eocene of United States (1: Oregon)

• Oligocene of Azerbaijan (1), the Czech Republic (3), Germany (20), the Russian Federation (16), the United Kingdom (1), United States (11: Idaho, Montana, Oregon)

• Eocene of Canada (2: British Columbia, Nunavut), China (1), Germany (1), Japan (1), the United Kingdom (5), United States (104: Alaska, California, Idaho, North Dakota, Washington, Wyoming, Wyoming )

• Paleocene to Eocene of Canada (1: Nunavut), United States (5: Wyoming)

• Paleocene to Oligocene of Canada (1: Nunavut)

• Paleocene of the United Kingdom (2), United States (55: Colorado, Montana, North Dakota, Wyoming)

• Tertiary of Canada (1: Nunavut), Japan (2)

• Cretaceous of Antarctica (1), Canada (3: Alberta, British Columbia), United States (1: Texas)

Total: 439 collections including 827 occurrences

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