⚠ Version 1 of The Plant List has been superseded.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 Hymenostomum microstomum in version 1.1 of The Plant List.
This name is a synonym of Gymnostomum microstomum var. brevirostre .
The record derives from Tropicos which reports it as a synonym (record 35164649
) with original publication details: Bryol. Eur. 1: 511. 16 (fasc. 33--36 Mon. 4. 1) 511 1846.