⚠ Version 1 of The Plant List has been superseded.
This name record (from Tropicos) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Hypnum fluitans in version 1.1 of The Plant List.
This name is a synonym of Drepanocladus exannulatus var. falcifolius .
The record derives from Tropicos which reports it as a synonym (record 35112392
) with original publication details: Muscol. Gall. 387. 110 f. 4--5 387 1894.