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⚠ Version 1 of The Plant List has been superseded.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-35153455, with some changes.

M Calliergon polare (Lindb.) Kindb. is a synonym of Hygrohypnella polaris (Lindb.) Ignatov & Ignatova

This name is a synonym of Hygrohypnella polaris (Lindb.) Ignatov & Ignatova.

The record derives from Tropicos which reports it as a synonym (record 35153455) with original publication details: Eur. N. Amer. Bryin. 1: 82 82 1897.