⚠ Version 1 of The Plant List has been superseded.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 Pterobryon densum in version 1.1 of The Plant List.

Pterobryon densum var. condensatum Lorentz 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 35143553) with original publication details: Amer. Midl. Naturalist 52: 21 21 1954.