Chrysanthemum ptarmiciflorum:

Chrysanthemum ptarmiciflorum:

Chrysanthemum ptarmiciflorum (Webb. & Berthel.) Brenan, Asteraceae: See Tanacetum ptarmiciflorum (Webb & Berthel.) Sch. Bip.

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