⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-19000216, with some changes.

Spigelia blanchetiana var. riedeliana Progel is a synonym of Spigelia riedeliana (Progel) Guimaraes & Fontella

The record derives from Tropicos which reports it as a synonym (record 19000216) with original publication details: Fl. Bras. 6(1): 259 259 1868.