Calvo, J. and Freire, E. 2016.

A nomenclator of Senecio group Lasiocephalus (Compositae, Senecioneae): nomenclatural and taxonomic notes and new typifications

. Phytotaxa. 260, 2 (May 2016), 116–130. DOI:https://doi.org/10.11646/phytotaxa.260.2.2.