⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-35209247, with some changes.
This name is a synonym of Porella arboris-vitae subsp. nitidula .
The record derives from Tropicos which reports it as a synonym (record 35209247
) with original publication details: J. Hattori Bot. Lab. 32: 349 349 1969.