⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-35143601, with some changes.

Pterobryon subangustifolium Müll. Hal. is a synonym of Pterobryon densum Hornsch.

This name is a synonym of Pterobryon densum Hornsch..

The record derives from Tropicos which reports it as a synonym (record 35143601) with original publication details: Bull. Herb. Boissier 6: 114 114 1898.