⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-35150554, with some changes.
This name is a synonym of Macromitrium involutifolium subsp. ptychomitrioides .
The record derives from Tropicos which reports it as a synonym (record 35150554
) with original publication details: Occas. Pap. Bernice Pauahi Bishop Mus. 15(27): 336. 6 336 1940.