⚠ Version 1 of The Plant List has been superseded.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 Pterigynandrum filiforme in version 1.1 of The Plant List.
This name is a synonym of Pterigynandrum filiforme f. heteropterum .
The record derives from Tropicos which reports it as a synonym (record 35143427
) with original publication details: Bryol. Eur. 5: 122. 466 b (fasc. 46--47 Mon. 4. 1 b) 122 1851.