⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50261382, with some changes.
This name is a synonym of Rhytidophyllum tomentosum subsp. villosulum (Urb.) Borhidi.
The record derives from Tropicos which reports it as a synonym (record 50261382) with original publication details: Brittonia 9(1): 23 23 1957.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:220794-2.