⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-8900142, with some changes.
This name is a synonym of Breitungia oregana (Nutt.) Á.Löve & D.Löve.
The record derives from Tropicos which reports it as a synonym (record 8900142) with original publication details: Fl. N. Amer. 1(4): 559 559 1840.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:284824-2.