This name is a synonym of Doliocarpus dentatus subsp. ferrugineus (Rusby) Kubitzki.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Mem. Torrey Bot. Club 6: 3 1895.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:82925-2.
This name was in version 1 of The Plant List, record kew-2774719, and has not been changed.