⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-35160586, with some changes.
This name is a synonym of Hypopterygium pallens subsp. plumarium .
The record derives from Tropicos which reports it as a synonym (record 35160586
) with original publication details: Vidensk. Meddel. Dansk Naturhist. Foren. Kjøbenhavn 1: 162 162 1879.