Alnus incana subsp. rugosa
Speckled Alder, Swamp Alder
Other regional names: Tag Alder
- Tag Alder
Also known as: Alnus canadensis Lodd. ex G.Don +15 more
- Alnus canadensis Lodd. ex G.Don
- Alnus glauca (Aiton) F.Michx.
- Alnus glutinosa subsp. rugosa (Du Roi) Regel
- Alnus incana f. americana (Regel) P.D.Sell
- Alnus incana f. emersoniana (Fernald) P.D.Sell
- Alnus incana f. tomophylla Fernald
- Alnus incana var. americana Regel
- Alnus incana var. emersoniana (Fernald) P.D.Sell
- Alnus incana var. glauca (Michaux) Loudon
- Alnus incana var. hypomalaca (Fernald) P.D.Sell
- Alnus incana var. tomophylla (Fernald) Rehder
- Alnus rugosa (Du Roi) Spreng.
- Alnus rugosa f. emersoniana Fernald
- Alnus rugosa f. hypomalaca Fernald
- Alnus rugosa f. tomophylla (Fernald) Fernald
- Alnus rugosa hort. ex Regel, 1868
Botanical Data
- Taxonomic Rank: Subspecies
- Botanical Family: Betulaceae
- WCVP Morphological Data: Recorded natively as a shrub or tree.
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Alnus incana subsp. rugosa (commonly known as Speckled Alder or Swamp Alder) is a shrub or tree belonging to the Betulaceae family. Indigenous to North America, this subspecies is primarily associated with temperate conditions. It is a naturally occurring subspecies of Alnus incana, which is linked below, along with other subspecies of this species.
Macro Climate
Temperate
Plant Type
Tree
Plant Type
Shrub
Native Range
Continents (WGSRPD)
NORTHERN AMERICA
Regions (WGSRPD)
Eastern Canada, North-Central U.S.A., Northeastern U.S.A., Southeastern U.S.A., Subarctic America, Western Canada
Botanical Countries (WGSRPD L3)
Connecticut, Illinois, Indiana, Iowa, Labrador, Maine, Manitoba, Maryland, Massachusetts, Michigan, Minnesota, New Brunswick, New Hampshire, New Jersey, New York, Newfoundland, North Dakota, Nova Scotia, Nunavut, Ohio, Ontario, Pennsylvania, Prince Edward I., Québec, Rhode I., Saskatchewan, Vermont, Virginia, West Virginia, Wisconsin
Introduced Range
An “Introduced” distribution indicates that the plant is recorded outside its native range in that region as a result of deliberate or accidental human introduction. Introduced records may include casual, naturalized or invasive populations, but do not include plants that are only cultivated or planted without self-sustaining populations.
Botanical Countries (Non-Native)
Czechoslovakia, Denmark, Germany, Poland, Sweden
Base Species & Variations