Phyteuma villarsii
Synonymy
Source: Castroviejo, S., Aldasoro, J. J. & Alarcón, M.; with contributions from Hand, R. (2010+): Campanulaceae. – In: Euro+Med Plantbase - the information resource for Euro-Mediterranean plant diversity.
Phyteuma villarsii, Monogr. Phyteuma: 143. 1904