⚠ Version 1 of The Plant List has been superseded.

This name record (from Tropicos) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Hymenostylium curvirostre in version 1.1 of The Plant List.

Hymenostylium curvirostre var. rigidum (Schimp.) Molendo is a synonym of Gymnostomum aeruginosum f. rigidum (Schimp.) Margad.

This name is a synonym of Gymnostomum aeruginosum f. rigidum (Schimp.) Margad..

The record derives from Tropicos which reports it as a synonym (record 35164762) with original publication details: Jahres-Ber. Naturhist. Vereins Passau 10: 27 27 1875.