Part of alder  genus Alnus and birch / alder / hazel / hornbeam  family Betulaceae.

Native to 🇺🇸 USA west of the 🗻︎ Rocky Mountains.

Uses by native peoples
(Ethnobotany database)
  Alnus hosts caterpillars of 267 species
of butterflies and moths, in some areas.

Learn more about white alder Alnus rhombifolia

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