⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-241177, with some changes.

Diplacrum longifolium var. laevissimum Kük. is a synonym of Diplacrum guianense (Nees) T.Koyama

The record derives from WCSP which reports it as a synonym (record 241177) with original publication details: Bot. Jahrb. Syst. 56(125): 23 1921.