This name is a synonym of Liatris spicata (L.) Willd..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 6DCFCDE4-B278-4C99-B512-447268545FE3) with original publication details: Bot. Cab. t. 147. 1818.
This name was in version 1 of The Plant List, record gcc-36949.