⚠ Version 1 of The Plant List has been superseded.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 Porotrichum petelotii in version 1.1 of The Plant List.
This name is a synonym of Pinnatella taiwanensis .
The record derives from Tropicos which reports it as a synonym (record 35168564
) with original publication details: Rev. Bryol. Lichénol. 34: 149. f. 13 149 1966.