Phyteuma cordatum
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 cordatum in Mém. Acad. Sci. Turin, Sci. Phys. 16: 208. 1809