⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-35187074, with some changes.

Sphagnum cavifolium f. plumosum Warnst. is a synonym of Sphagnum obesum var. plumosum (Warnst.) Cardot

The record derives from Tropicos which reports it as a synonym (record 35187074) with original publication details: Nov. Stirp. Pug. 1882.