⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-2633761, with some changes.

Ammannia occidentalis var. pygmaea Chapm. is a synonym of Rotala ramosior (L.) Koehne

This name is a synonym of Rotala ramosior (L.) Koehne.

The record derives from WCSP (in review) which reports it as a synonym with original publication details: Fl. South. U.S. 134 1860.