⚠ Version 1 of The Plant List has been superseded.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 Grammitis leptostoma in version 1.1 of The Plant List.
This name is a synonym of Melpomene leptostoma .
The record derives from Tropicos which reports it as a synonym (record 26624829
) with original publication details: Proc. Calif. Acad. Sci., ser. 4, 40(8): 230 230 .