⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-35186379, with some changes.

Hypnum uncinatum f. arenarium M.T. Lange is a synonym of Sanionia uncinata (Hedw.) Loeske

This name is a synonym of Sanionia uncinata (Hedw.) Loeske.

The record derives from Tropicos which reports it as a synonym (record 35186379) with original publication details: Nov. Stirp. Pug. .