⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-4102581, with some changes.
This name is a synonym of Caulanthus heterophyllus (Nutt.) Payson.
The record derives from Tropicos which reports it as a synonym (record 4102581) with original publication details: Fl. N. Amer. 1(1): 77 77 1838.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:298957-2.