⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-35138054, with some changes.
This name is a synonym of Isothecium viviparum var. longicuspis .
The record derives from Tropicos which reports it as a synonym (record 35138054
) with original publication details: Sitzungsber. Deutsch. Naturwiss.-Med. Vereins Böhmen "Lotos" Prag 46: 174 174 1898.