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This is the branch of Red Birch, Betula nigra, showing the staminate aments as they appear in winter, (Keeler, 1915).

Red Birch

This is the branch of Red Birch, Betula nigra, showing the staminate aments as they appear in winter,…

This shows the erect strobile, or fruit, of the Red Birch, Betula nigra, (Keeler, 1915).

Red Birch Fruit

This shows the erect strobile, or fruit, of the Red Birch, Betula nigra, (Keeler, 1915).

Also known as Betula occidentalis. The branch of a Red Birch tree, native to western North America.

Branch of Red Birch

Also known as Betula occidentalis. The branch of a Red Birch tree, native to western North America.

Also known as Betula fontinalis. A species of birch native to North America.

Branch of Water Birch

Also known as Betula fontinalis. A species of birch native to North America.