⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-35211152, and has not been changed.
This name is a synonym of Porella caespitans subsp. latior .
The record derives from Tropicos which reports it as a synonym (record 35211152
) with original publication details: J. Hattori Bot. Lab. 32: 325. f. 7: a--k, 8 325 1969.