The Plant List — A working list for all plant species

⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-3600126, with some changes.

L Alnus rugosa var. occidentalis (Dippel) C.L. Hitchc. is a synonym of Alnus incana subsp. tenuifolia (Nutt.) Breitung

This name is a synonym of Alnus incana subsp. tenuifolia (Nutt.) Breitung.

The record derives from Tropicos which reports it as a synonym (record 3600126).