⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-2765611, and has not been changed.

Dicentra formosa f. oregona (Eastw.) Melle is a synonym of Dicentra formosa subsp. oregona (Eastw.) Munz

The record derives from WCSP (in review) which reports it as a synonym with original publication details: Torreya 41: 192 1941.