Liatris ligulistylis

Liatris ligulistylis

Liatris ligulistylis (A. Nels.) K. Schum.
Engl.: purple-blue gayfeather, Rocky Mountain blazingstar.
Bot. syn.: Lacinaria ligulistylis A. Nels.

I have no articles for this botanical term, but there might be some for the next level down (if found).