⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-50167048, with some changes.
This name is a synonym of Ligusticum porteri var. brevilobum .
The record derives from Tropicos which reports it as a synonym (record 50167048
) with original publication details: Fl. Rocky Mts. 613, 1064 613 1917.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:140035-2
.