Fainelli, F., G. Gottschlich, and S. Orsenigo. “Nomenclatural Notes on Some Names in the Hieracium tenuiflorum Group (Asteraceae) of the Alps”. Phytotaxa, vol. 645, no. 2, Apr. 2024, pp. 131-48, doi:10.11646/phytotaxa.645.2.3.