Alnus incana. subsp. rugosa

Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Rosids
Cladus: Eurosids I
Ordo: Fagales

Familia: Betulaceae
Subfamilia: Betuloideae
Genus: Alnus
Subgenus: A. subg. Alnus
Species: Alnus incana
Subspecies: Alnus incana subsp. rugosa
Name

Alnus incana (L.) Moench subsp. rugosa (Du Roi) R.T.Clausen, Cornell Univ. Agric. Exp. Sta. Mem. 291: 8 (1949).
Synonyms

Basionym
Betula alnus var. rugosa Du Roi, Diss. Inaug. Obs. Bot.: 32 (1771).
Homotypic
Betula rugosa (Du Roi) Ehrh., Beitr. Naturk. 3: 21 (1788).
Alnus rugosa (Du Roi) Spreng., Syst. Veg. 3: 848 (1826).
Alnus glutinosa lusus rugosa (Du Roi) Regel, Nouv. Mém. Soc. Imp. Naturalistes Moscou 13(2): 165 (1861).
Alnus serrulata var. rugosa (Du Roi) Regel, Bull. Soc. Imp. Naturalistes Moscou 38(2): 432 (1865).
Heterotypic
Betula-alnus glauca Marshall, Arbust. Amer.: 20 (1785), nom. subnud.
Betula incana var. glauca Aiton, Hortus Kew. 3: 339 (1789).
Alnus incana var. glauca (Aiton) Willd., Sp. Pl., ed. 4, 4: 335 (1805).
Alnus glauca (Aiton) F.Michx., N. Amer. Sylv. 3: 320 (1819).
Alnus canadensis Lodd. ex G.Don in J.C.Loudon, Hort. Brit.: 378 (1830).
Alnus incana var. americana Regel, Nouv. Mém. Soc. Imp. Naturalistes Moscou 13(2): 155 (1876).
Alnus incana f. tomophylla Fernald, Rhodora 16: 56 (1914).
Alnus incana var. tomophylla (Fernald) Rehder, Man. Cult. Trees: 147 (1927).
Alnus rugosa var. americana (Regel) Fernald, Rhodora 47: 350 (1945).
Alnus rugosa f. emersoniana Fernald, Rhodora 47: 347 (1945).
Alnus rugosa f. hypomalaca Fernald, Rhodora 47: 353 (1945).
Alnus rugosa f. tomophylla (Fernald) Fernald, Rhodora 47: 353 (1945).
Alnus americana (Regel) Czerep., Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk S.S.S.R. 17: 103 (1955), non Ettingsh. (1883), fossil name.
Alnus incana f. americana (Regel) P.D.Sell, Fl. Gr. Brit. Ireland 1: 685 (2018).
Alnus incana f. emersoniana (Fernald) P.D.Sell, Fl. Gr. Brit. Ireland 1: 685 (2018).
Alnus incana var. emersoniana (Fernald) P.D.Sell, Fl. Gr. Brit. Ireland 1: 685 (2018).
Alnus incana var. hypomalaca (Fernald) P.D.Sell, Fl. Gr. Brit. Ireland 1: 685 (2018).

Distribution
Native distribution areas:

Northern America
Subarctic America
Nunavut.
Western Canada
Manitoba, Saskatchewan.
Eastern Canada
Labrador, New Brunswick, Newfoundland, Nova Scotia, Ontario, Prince Edward I., Québec.
North-Central U.S.A.
Illinois, Iowa, Minnesota, North Dakota, Wisconsin
Northeastern U.S.A
Connecticut, Indiana, Maine, Massachusetts, Michigan, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia.
Southeastern U.S.A.
Maryland, Virginia.

References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition
References
Additional references

Govaerts, R.H.A. 1995. World Checklist of Seed Plants 1(1, 2). 483, 529 pp. MIM, Deurne. ISBN 90-341-0852-X (issue 1) ISBN 90-341-0853-8 (issue 2). Reference page.
Furlow, J.J. 1997. Alnus. Pp. - in Flora of North America Editorial Committee (ed.), Flora of North America North of Mexico. Volume 3: Magnoliophyta: Magnoliidae and Hamamelidae. 590 pp. Oxford University Press, New York / Oxford, ISBN 0-19-511246-6. efloras Reference page.
Govaerts, R.H.A. 2003. World Checklist of Selected Plant Families Database in ACCESS: 1-216203. The Board of Trustees of the Royal Botanic Gardens, Kew. [unavailable for the public] Reference page.

Links

Govaerts, R. et al. 2020. Alnus incana subsp. rugosa in World Checklist of Selected Plant Families. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2020 February 10. Reference page.
International Plant Names Index. 2020. Alnus incana subsp. rugosa. Published online. Accessed: 10 February 2020.