⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-35160486, with some changes.
This name is a synonym of Hygrohypnella polaris (Lindb.) Ignatov & Ignatova.
The record derives from Tropicos which reports it as a synonym (record 35160486) with original publication details: Meddel. Grønland 3: 333 333 1887.