⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-35174018, with some changes.
This name is a synonym of Macromitrium incurvifolium .
The record derives from Tropicos which reports it as a synonym (record 35174018
) with original publication details: Edinburgh J. Sci. 1: 117. pl. 4: O. undulatum 117 1824.