⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-35147691, with some changes.

Gymnostomum calcareum Nees & Hornsch. is a synonym of Gymnostomum aeruginosum Sm.

This name is a synonym of Gymnostomum aeruginosum Sm..

The record derives from Tropicos which reports it as a synonym (record 35147691) with original publication details: Bryol. Germ. 1: 153. pl. 10 f. 15 153 1823.