Acanthus balcanicus

Acanthus balcanicus

Acanthus balcanicus Heywood & Richardson.
Engl.: long-leaved bear's breech, Balkan bear's breeches.
Deu.: Balkan-Akanthus, Säulen-Akanthus.
Suom.: balkaninakantti.
Sven.: akantus.
Bot. syn.: Acanthus hungaricus (Borb.) Baenitz, Acanthus longifolius Poir.

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