Taxon: Alnus incana (L.) Moench subsp. rugosa (Du Roi) R. T. Clausen

See other conspecific taxa:

• Alnus incana (4 accessions)
• Alnus incana subsp. incana (no accessions)
• Alnus incana subsp. tenuifolia (6 accessions)

Common names:

• speckled alder   (Source: F NAmer ) – English
  
• swamp alder   (Source: F NAmer ) – English
  
• tag alder   (Source: F NAmer ) – English
  
• aulne blanchâtre   (Source: F NAmer ) – French
  
• hasselal   (Source: Vara kulturvaxt namn ) – Swedish
  

Economic importance:

• Environmental: ornamental   (fide F Eur ed2, as A. rugosa)
  
• Medicines: folklore   (fide Herbs Commerce ed2)
  

More:

View ethnobotanical data from Moerman's Native American Ethnobotany Database

Distributional range:

• NORTHERN AMERICA (Check conservation status in U.S. & Canada in NatureServe Explorer database)
  Eastern Canada: Canada - New Brunswick, Newfoundland, Nova Scotia, Ontario, Prince Edward Island, Quebec
  Western Canada: Canada - Manitoba, Saskatchewan
  Northeastern U.S.A.: United States - Connecticut, Indiana, Maine, Massachusetts, Michigan, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia
  North-Central U.S.A.: United States - Illinois, Iowa, Minnesota, North Dakota, Wisconsin
  Southeastern U.S.A.: United States - Maryland, Virginia

• naturalized elsewhere

• also cultivated

References:

• Aldén, B., S. Ryman & M. Hjertson. 2009. Våra kulturväxters namn - ursprung och användning. Formas, Stockholm (Handbook on Swedish cultivated and utility plants, their names and origin).
• Encke, F. et al. 1984. Zander: Handwörterbuch der Pflanzennamen, 13. Auflage. [= A. rugosa (Du Roi) Spreng.].
• FNA Editorial Committee. 1993–. Flora of North America.
• Furlow, J. J. 1979. The systematics of the American species of Alnus (Betulaceae). Rhodora 81:167–176.
• Govaerts, R. & D. G. Frodin. 1998. World checklist and bibliography of Fagales.
• Huxley, A., ed. 1992. The new Royal Horticultural Society dictionary of gardening. [= A. rugosa (Du Roi) Spreng.].
• Krüssmann, G. 1984. Manual of cultivated broad-leaved trees and shrubs (English translation of Handbuch der Laubgehölze. 1976). [= A. rugosa (Du Roi) Spreng.].
• McGuffin, M., J. T. Kartesz, A. Y. Leung, & A. O. Tucker. 2000. Herbs of commerce, ed. 2.

Synonyms:

• (=) Alnus americana (Regel) Czerep.
  
• (=) Alnus glauca F. Michx.
  
• (=) Alnus incana var. americana Regel
  
• (≡) Alnus rugosa (Du Roi) Spreng.
  (previously associated with 12 accessions)
• (=) Alnus rugosa var. americana (Regel) Fernald
  
• (≡) Betula alnus var. rugosa Du Roi (basionym)
  
• (≡) Betula rugosa (Du Roi) Ehrh.
  

Check other web resources for Alnus incana (L.) Moench subsp. rugosa (Du Roi) R. T. Clausen:

• Flora of North America: Collaborative Floristic Effort of North American Botanists
• PLANTS: USDA-NRCS Database of Plants of the United States and its Territories
• TROPICOS: Nomenclatural and Specimen Database of the Missouri Botanical Garden
• Mansfeld: Mansfeld's World Database of Agricultural and Horticultural Crops
• ICRA: International Cultivar Registration Authority (on-line resource). for Alnus incana subsp. rugosa cultivars

Images:

• GRIN Images of germplasm accessions.
• Seed: U.S. National Seed Herbarium image

More:

• Images Note: Be advised that their identity may be inaccurate. Proper identification of a plant may require specialized taxonomic knowledge or comparison with properly documented herbarium material.

Abbreviations & symbols in GRIN Taxonomy

Ctrl P to print