⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-35205789, and has not been changed.
This name is a synonym of Porella japonica f. pusilla .
The record derives from Tropicos which reports it as a synonym (record 35205789
) with original publication details: J. Jap. Bot. 20: 110 110 1944.