This name is a synonym of Urtica urens L..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 33400909) with original publication details: Bull. New York Bot. Gard. 4: 319 1907.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:260703-2.
This name was in version 1 of The Plant List, record tro-33400909, and has not been changed.