Alnus rhombifolia Nutt., N. Amer. Sylv. 1: 33 (1842) (syn: Alnus californica (Regel) H.J.P.Winkl. ; Alnus glutinosa lusus californica Regel ; Alnus rhombifolia var. bernardina Munz & I.M.Johnst. ; Alnus rhombifolia var. ovalis H.J.P.Winkl. ; Alnus rhombifolia var. typica Callier);
W. U.S.A. to Mexico (N. Baja California): California, Idaho, Mexico Northwest, Montana, Oregon, Washington as per POWO;

Alnus rhombifolia from California-20230320-1: 6 high res. images.
Alnus rhombifolia photographed from Fremont, California





POWO  Catalogue of Life

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