Reich, D., Mráz, P., Šída, O. & Gutermann, W. (2023)

A long history in a short note—identity and typification of the name Hippion obtusifolium F.W. Schmidt, and synonymy of the species Gentianella obtusifolia (Gentianaceae)

. Phytotaxa 598 (2): 157–166. https://doi.org/10.11646/phytotaxa.598.2.5