Canadanthus modestus

Canadanthus modestus

Canadanthus modestus (Lindl.) Nesom.
Engl.: giant mountain aster, great north aster, northwestern sticky aster, western bog aster.
Bot. syn.: Aster major (Hook.) Porter, Aster modestus Lindl.

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