Phyteuma scheuchzeri subsp. columnae
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 scheuchzeri subsp. columnae in Vierteljahrsschr. Naturf. Ges. Zürich 68: 471. 1923
Content
Bibliography
A. Tutin, T. G., Heywood, V. H., Burges, N. A., Valentine, D. H., Walters, S. M. & Webb, D. A. 1964–1980: Flora europaea 1-5. – Cambridge: Cambridge University Press