⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-35172872, with some changes.

Orthostichidium orthostichella Müll. Hal. is a synonym of Squamidium nigricans (Hook.) Broth.

This name is a synonym of Squamidium nigricans (Hook.) Broth..

The record derives from Tropicos which reports it as a synonym (record 35172872) with original publication details: Nuovo Giorn. Bot. Ital., n.s., 4: 138 138 1897.