⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-35117729, with some changes.

Hypnum heteropterum (Brid.) Hampe is a synonym of Pterigynandrum filiforme f. heteropterum (Brid.) Krahmer

The record derives from Tropicos which reports it as a synonym (record 35117729) with original publication details: Flora 20: 274 274 1837.