⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-35117653, with some changes.
This name is a synonym of Isopterygium gracilisetum .
The record derives from Tropicos which reports it as a synonym (record 35117653
) with original publication details: Sp. Musc. Frond., Suppl. 3 1(1): 220a 220a 1827.