⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-35155837, with some changes.
This name is a synonym of Rhynchostegium confertum subsp. hercynicum .
The record derives from Tropicos which reports it as a synonym (record 35155837
) with original publication details: Ann. Soc. Belge Microscop. 9: 184 184 1885.