⚠ Version 1 of The Plant List has been superseded.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 Leptohymenium filiforme in version 1.1 of The Plant List.

Leptohymenium filiforme var. heteropterum (Brid.) Gronvall is a synonym of Pterigynandrum filiforme f. heteropterum (Brid.) Krahmer

This name is a synonym of Pterigynandrum filiforme f. heteropterum (Brid.) Krahmer.

The record derives from Tropicos which reports it as a synonym (record 35139098) with original publication details: Några Observ. Belysn. Skanes Bryol. 12 12 1864.