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As classified in WFO snapshot

June 2025

latest classification for this taxon

subspecies

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

This subspecies name was first published in Cornell Univ. Agric. Exp. Sta. Mem. 291: 8 (1949)  

At the time of this classification snapshot, this subspecies name was accepted by WFO (placed as the accepted name of a taxon). Its description and other taxonomic data can be found on World Flora Online, id: wfo-0000946067.

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

Name Author Protologue Nomenclator WFO link
Betula alnus var. rugosa Du Roi Diss. Inaug. Obs. Bot. : 32 (1771) wfo-0000331026
Betula rugosa (Du Roi) Ehrh. Beitr. Naturk. Verw. Wiss. 3: 21 (1788) wfo-0000336732
Betula-alnus glauca Marshall Arbust. Amer. : 20 (1785) wfo-0000338071
Alnus incana var. glauca (Aiton) Willd. Sp. Pl., ed. 4. 4: 335 (1805) wfo-0000840907
Betula incana var. glauca Aiton Hortus Kew. 3: 339 (1789) wfo-0000840911
Alnus americana (Regel) Czerep. Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk S.S.S.R. 17: 103 (1955) wfo-0000944267
Alnus canadensis Lodd. ex G.Don Hort. Brit. : 378 (1830) wfo-0000944474
Alnus glauca (Aiton) F.Michx. N. Amer. Sylv. Illustr. 3: 320 (1819) wfo-0000945205
Alnus incana var. americana Regel Nouv. Mém. Soc. Imp. Naturalistes Moscou 13(2): 155 (1876) wfo-0000945777
Alnus incana var. tomophylla (Fernald) Rehder Man. Cult. Trees : 147 (1927) wfo-0000946164
Alnus incana f. tomophylla Fernald Rhodora 16: 56 (1914) wfo-0000946175
Alnus rugosa (Du Roi) Spreng. Syst. Veg., ed. 16. 3: 848 (1826) wfo-0000947522
Alnus rugosa var. americana (Regel) Fernald Rhodora 47: 350 (1945) wfo-0000947543
Alnus rugosa f. emersoniana Fernald Rhodora 47: 347 (1945) wfo-0000947554
Alnus rugosa f. hypomalaca Fernald Rhodora 47: 353 (1945) wfo-0000947565
Alnus rugosa f. tomophylla Fernald Rhodora 47: 353 (1945) wfo-0000947598
Alnus serrulata var. rugosa (Du Roi) Regel Bull. Soc. Imp. Naturalistes Moscou 38(II): 432 (1865) wfo-0000947720
Alnus glauca F.Michx. N. Amer. Sylv. 3: 320 (1819) wfo-0001214782
Alnus rugosa var. tomophylla (Fernald) Fernald Rhodora 47: 353 (1945) wfo-0001214783
Alnus glutinosa var. rugosa (Du Roi) Regel Nouv. Mém. Soc. Imp. Naturalistes Moscou 13, pt. 2: 165. 1861 Mon. Betul. 107. 1861 wfo-0001409150
Alnus incana f. emersoniana (Fernald) P.D.Sell Fl. Gr. Brit. Ireland 1: 685 (2018) wfo-1200002457
Alnus incana var. hypomalaca (Fernald) P.D.Sell Fl. Gr. Brit. Ireland 1: 685 (2018) wfo-1200002459
Alnus incana f. americana (Regel) P.D.Sell Fl. Gr. Brit. Ireland 1: 685 (2018) wfo-1200002762
Alnus incana var. emersoniana (Fernald) P.D.Sell Fl. Gr. Brit. Ireland 1: 685 (2018) wfo-1200064873