Kobrlová, L., Mandáková, T. & Hroneš, M. (2018)

Taxonomic status and typification of a neglected name Symphytum leonhardtianum from the Symphytum tuberosum complex (Boraginaceae)

. Phytotaxa 349 (3): 225–236. https://doi.org/10.11646/phytotaxa.349.3.3