World Checklist of Selected Plant Families (WCSP)

Alnus crispa f. stragula Fernald, Rhodora 17: 144 (1945).

This name is a synonym.

Accepted Name:	Alnus alnobetula subsp. crispa (Aiton) Raus, Willdenowia 41: 129 (2011).
Family:	Betulaceae
Original Compiler:	R.Govaerts