⚠ Version 1 of The Plant List has been superseded.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 Pterogonium gracile in version 1.1 of The Plant List.

Pterogonium gracile var. aquaticum Schlieph. ex G. Roth is a synonym of Pterogonium gracile f. aquaticum (Schlieph. ex G. Roth) Podp.

This name is a synonym of Pterogonium gracile f. aquaticum (Schlieph. ex G. Roth) Podp..

The record derives from Tropicos which reports it as a synonym (record 35143816) with original publication details: Eur. Laubm. 2: 337 337 1904.