⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-35112331, with some changes.

Hypnum flagelliferum Hampe is a synonym of Porotrichum mutabile Hampe

This name is a synonym of Porotrichum mutabile Hampe.

The record derives from Tropicos which reports it as a synonym (record 35112331) with original publication details: Ann. Sci. Nat., Bot., sér. 5 5: 309 309 1866.