⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-35148990, with some changes.
This name is a synonym of Rhytidiastrum japonicum .
The record derives from Tropicos which reports it as a synonym (record 35148990
) with original publication details: Bot. Jahrb. Syst. 64: 559 559 1931.