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Home>Families>Birch, Betulaceae>North American Native Alder, Alnus
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Alder (Alnus) Genus
        -Color denotes a tree that is rare or endangered
The Birch family, Betulaceae, contains the genus Alnus and includes these tree species:

Alnus incana
(L.) Moench ssp. tenuifolia (Nutt.) Breitung- Thinleaf Alder
Alnus maritima
(Marsh.) Muhl. ex Nutt. - Seaside Alder
Alnus rhombifolia Nutt. - White Alder
Alnus rubra Bong.- Red Alder

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