⚠ Version 1 of The Plant List has been superseded.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 Orthotrichum rufescens in version 1.1 of The Plant List.

Orthotrichum rufescens Gronvall is a synonym of Orthotrichum arnellii Gronvall

This name is a synonym of Orthotrichum arnellii Gronvall.

The record derives from Tropicos which reports it as a synonym (record 35173790) with original publication details: Nya Bidr. Kannedomen Nord. Orthotrichum 8: 1887.