Alnus incana subsp. rugosa (Du Roi) R.T. Clausen

Alnus incana subsp. rugosa (Du Roi) R.T. Clausen is an accepted subspecies name sensu FNA Ed. Comm., 1997.

Vernacular names

• aulne rugueux Darbyshire et al., 2000
• aulne blanc rugueux Grandtner, 2005
• aulne hâtif Lamoureux, 2002
• vergne Marie-Victorin, 1995
• verne Marie-Victorin, 1995

• speckled alder Farrar, 1996
• eastern river alder Harms, 2006
• hoary alder Farrar, 1996
• swamp alder FNA Ed. Comm., 1997
• tag alder Farrar, 1996

Synonyms

• Alnus glauca Michaux FNA Ed. Comm., 1997
• Alnus incana var. americana Regel FNA Ed. Comm., 1997
• Alnus incana var. glauca (Michaux) Loudon TROPICOS
• Alnus rugosa (Du Roi) Sprengel var. rugosa FNA Ed. Comm., 1997
• Alnus rugosa (DuRoi) Sprengel FNA Ed. Comm., 1997
• Alnus rugosa var. americana (Regel) Fernald FNA Ed. Comm., 1997
• Alnus rugosa var. tomophylla (Fernald) Fernald FNA Ed. Comm., 1997
• Alnus serrulata var. rugosa (Du Roi) Regel TROPICOS
• Betula alnus var. rugosa Du Roi FNA Ed. Comm., 1997
• Betula rugosa (Du Roi) Ehrhart TROPICOS

Distribution

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• Native
• Introduced
• Ephemeral
• Excluded
• Extirpated
• Doubtful
• Absent

Classification

Class	Equisetopsida
Subclass	Magnoliidae
Superorder	Rosanae
Order	Fagales
Family	Betulaceae
Subfamily	Betuloideae
Genus	Alnus
Species	Alnus incana
Subspecies	Alnus incana subsp. rugosa

Habit

Shrub