⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-2721876, and has not been changed.

Circaea lutetiana f. quadrisulcata Maxim. is a synonym of Circaea lutetiana subsp. quadrisulcata (Maxim.) Asch. & Magnus

The record derives from WCSP (in review) which reports it as a synonym with original publication details: Prim. Fl. Amur. 106 1859.