The record derives from WCSP (in review) (data supplied on ) which reports it as a synonym and as an invalid name with original publication details: Bull. Soc. Bot. Genève II, 12: 198 1920 publ. 1921.
Full publication details for this name can be found in IPNI:
This name was in version 1 of The Plant List, record kew-2736775, and has not been changed.