⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2355763, with some changes.
This name is a synonym of Lappula occidentalis var. cupulata .
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Bull. Montana State Univ., Biol. Ser. 15: 44 1910.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:135563-2
.