World Checklist of Selected Plant Families: Royal Botanic Gardens, Kew

Alnus incana var. sibirica Spach, Ann. Sci. Nat., Bot., s�r. 2, 15: 207 (1841).

This name is a synonym.

Homotypic Names:
Accepted Name:	Alnus hirsuta (Spach) Rupr., Bull. Cl. Phys.-Math. Acad. Imp. Sci. Saint-P�tersbourg 15: 376 (1857).
Family:	Betulaceae
Alnus viridis var. sibirica (Spach) Regel, Bull. Soc. Imp. Naturalistes Moscou 38(II): 422 (1865), nom. illeg. Alnus sibirica (Spach) Turcz. ex Kom., Trudy Imp. S.-Peterburgsk. Bot. Sada 22: 57 (1903). Alnus hirsuta var. sibirica (Spach) C.K.Schneid. in C.S.Sargent, Pl. Wilson. 2: 498 (1916). Alnus hirsuta f. sibirica (Spach) H.Ohba, Fl. Japan 2a: 29 (2006).
Original Compiler:	R.Govaerts