⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-35118289, with some changes.
This name is a synonym of Rhynchostegium megapolitanum subsp. meridionale .
The record derives from Tropicos which reports it as a synonym (record 35118289
) with original publication details: Fl. Mousses Nord. Ouest (ed. 2) 147 147 1882.