Alnus viridis

Alnus viridis (Chaix) DC.

Green Alder, Mountain Alder, Sitka Alder, Siberian Alder

About plant names...

Alders are small to medium in size, often with multiple trunks and branches. Green alders rarely exceed 15' (4.6 m) in height, about haf the size of other alders, a woody shrub rather than a tree. These fast-growing shrubs are often found beside wet areas. They are also common on mountains, especially in avalanche-prone regions, where their ability to regrow from damaged stumps allows them to out-compete other trees.

Identification: Green alders have lenticels—white or light gray patches, that are roughly diamond-shaped. See Alnus for a comparison table.

Online References:

Alnus viridis (Chaix) DC. ssp. sinuata (Regel) Á. Löve & D. Löve at the Oregon Flora Image Project

Alnus viridis on Wikipedia

Alnus viridis on Wikimedia Commons

Alnus viridis on CalPhotos

Alnus viridis at the University of Wisconsin-Green Bay Cofrin Center for Biodiversity

Alnus viridis at the University of Wisconsin's Robert W. Freckmann Herbarium

Alnus viridis on eFloras

References:

Sibley, David Allen, The Sibley Guide to Trees, Alfred A. Knopf, 2009, pp. 159-165

Little, Elbert L., National Audabon Society Field Guide to North American Trees, Eastern Region, Alfred A. Knopf, 1980, p. 362

Alnus viridis description by Thomas H. Kent, last updated 12 Oct 2018.

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9/19/2009 · Acadia National Park, Bar Harbor, ME
≈ 5 × 3½" (13 × 9.8 cm) ID is uncertain

9/20/2009 · Acadia National Park, Bar Harbor, ME
≈ 4½ × 3" (11 × 7.9 cm) ID is uncertain

3/21/2012 · Nashua River Rail Trail, Groton, MA
≈ 4½ × 6" (11 × 14 cm)

Range:

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