This name is a synonym of Chrysosplenium macrostemon var. shiobarense (Franch.) H.Hara.
The record derives from WCSP (in review)
(data supplied on 2012-03-26)
which reports it as a synonym with original publication details: Bull. Annuel Soc. Philom. Paris VIII, 2: 104 1890.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:790662-1.
This name was in version 1 of The Plant List, record kew-2720269, and has not been changed.