Flora of Newfoundland and Labrador
Flora of Newfoundland and Labrador
Betulaceae/Bétulacées - Birch Family
Alnus incana (L.) Moench subsp. rugosa (DuRoi) R.T.Clausen
En: speckled alder, tag alder, swamp alder, hoary alder
Fr: aulne rugueux, aulne hâtif
IA: atushpi, atushpi-kamikuat, uishakashk
Provincial Status: LN
Range: Boreal eNA; thr Nfld. (except upper Northern Peninsula), N to cLab.

[=Betula alnus L. var. rugosa DuRoi (basionym)]
[=Alnus glauca Michx.]
[=Alnus glutinosa (L.) Gaertn. (lusus) rugosa (DuRoi) Regel]
[=Alnus incana (L.) Moench var. americana Regel]
[=Alnus incana (L.) Moench var. glauca (Michx.) Loudon]
[=Alnus rugosa (DuRoi) Spreng.]
[=Alnus rugosa (DuRoi) Spreng forma emersoniana Fernald]
[=Alnus rugosa (DuRoi) Spreng forma hypomalaca Fernald]
[=Alnus rugosa (DuRoi) Spreng forma tomophylla Fernald]
[=Alnus rugosa (DuRoi) Spreng var. americana (Regel) Fernald]
[=Alnus rugosa (DuRoi) Spreng var. tomophylla (Fernald) Fernald]
[=Alnus rugosa (DuRoi) Spreng. var. rugosa]
[=Alnus serrulata (Aiton) Willd. var. rugosa (DuRoi) Regel]
[=Betula rugosa (DuRoi) Ehrh.]

[Alnus incana subsp. rugosa is largely absent from eNfld., it is reported from only one site on the Avalon (St. John's area; possibly introduced) and one site north of Port au Choix, but it is the dominant component of the Alder Swamp forest type in central Nfld. (W.J. Meades & Moores, 1989). Labrador reports of Alnus glutinosa by Schrank, 1818, are probably based on Alnus rugosa var. americana (Scoggan 1978). The basionym of Alnus incana (L.) Moench is Betula alnus L. var. incana L.]

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