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Thinleaf Alder

Alnus incana subsp. tenuifolia (Nutt.) Breitung

1999 California Academy of Sciences   cc-by-nc-sa-3.0

Alnus incana tenuifolia (Thinleaf Alder) is a subspecies of tree in the family Betulaceae. They are native to Canada, Alaska, The Contiguous United States, and Western North America. They have purple flowers. Individuals can grow to 20 feet.

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EOL has data for 64 attributes, including:

Known occurrences, collected specimens and observations of thinleaf alder. View this species on GBIF