This name is a synonym of Chrysosplenium tetrandrum (N.Lund) Th.Fr..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 29101300) with original publication details: Fl. Aleut. Isl. 217 1937.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:57975-2.
This name was in version 1 of The Plant List, record tro-29101300, and has not been changed.