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  1. Alnus rubra - Wikipedia

    Alnus rubra, the red alder, [3][4] is a deciduous broadleaf tree native to western North America (Alaska, Yukon, British Columbia, Washington, Oregon, California, Idaho and Montana). …

  2. Red Alder, Alnus rubra - Native Plants PNW

    Red Alder is a host to nitrogen-fixing bacteria that form nodules on tree roots. Because of this association, the introduction of Red Alder to disturbed sites can quickly improve the fertility of …

  3. Red Alder (Alnus rubra) | Oregon Wood Innovation Center

    Of the ten species of Alnus native to the United States, red alder is the only one that reaches commercial size and abundance. It is also the most common and important of the hardwoods …

  4. Alder Trees: Leaves, Bark, Flowers, Cones - Identification (Pictures)

    Nov 16, 2022 · The red alder (Alnus rubra) tree is a large deciduous tree with small oval, brown wood cones, ovate leaves, and mottled light gray smooth bark. Its spreading branches create …

  5. Red Alder | Silvics of North America

    Red alder (Alnus rubra), also called Oregon alder, western alder, and Pacific coast alder, is the most common hardwood in the Pacific Northwest. It is a relatively short-lived, intolerant …

  6. Alnus rubra (Red Alder) - Gardenia

    Fast-growing, Alnus rubra (Red Alder) is a medium-sized deciduous tree of graceful habit with a straight trunk and a pointed or rounded crown with rather pendulous branches. The thin bark is …

  7. Red Alder - Alnus rubra - PNW Plants - Washington State University

    Red Alder is the most common native hardwood in the Pacific Northwest extending from southern California north to southeastern Alaska. This species is also known as Oregon alder, western …

  8. Feb 22, 2002 · Red alder trees provide valuable nesting for birds and thermal cover for black-tailed deer and other wildlife. grow in open exposed areas. The branches are slender and …

  9. Alnus rubra (Oregon Alder, Pacific Coast Alder, Red Alder, …

    Red alder is a deciduous tree in the Betulaceae (birch) family. It is native to the western coast of North America from Alaska down to California. This is one of the larger alders and grows 65 …

  10. The Red Alder: Origin, Growth Habit, and Landscape Potential

    Sep 19, 2024 · Red alder is a versatile tree essential in natural ecosystems and managed landscapes. Its rapid growth, nitrogen-fixing ability, and adaptability to disturbed sites make it …

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