⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-35204866, with some changes.
This name is a synonym of Riccia atromarginata f. glabra (Levier ex K. Müller) R.M. Schust..
The record derives from Tropicos which reports it as a synonym (record 35204866) with original publication details: Lebermoose 6(1): 203 203 1907.