This name is a synonym of Calla palustris L..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 330565) with original publication details: Contr. Inst. Bot. Univ. Montréal 36: 68 1940.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:42051-2.
This name was in version 1 of The Plant List, record kew-330565.