Alnus incana subsp. rugosa (Du Roi) R.T. Clausen
Publ. & Syn.R.T. Clausen, Cornell Univ. Agric. Exp. Sta. Mem. 291: 8 (1949). - Betula alnus var. rugosa Du Roi, Observ. Bot.: 32 (1771). Described from North America. - Alnus rugosa (Du Roi) Spreng., Syst. Veg. 3: 848 (1826).
NotesFurlow (1997) mapped subsp. rugosa from the Borderline Arctic on Hudson Bay.
Chromosomes28 (2x). - Canada, U.S.A. - At least five reports.
GeographyNorth American (NE): (CAN).
Distribution N = F     E = b     HL = b     [ key ]
Parent taxonAlnus incana (L.) Moench
PAF ID610102e
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Panarctic Flora Editor-in-Chief: Reidar Elven (Natural History Museum, University of Oslo)
Editorial Committee: Reidar Elven, David F. Murray (Museum of the North, University of Alaska), Volodya Yu. Razzhivin (Komarov Botanical Institute, Russian Academy of Sciences), Boris A. Yurtsev [deceased] (Komarov Botanical Institute, Russian Academy of Sciences)