Salomón, L., Hernández, M.P., Giugliano, D.A. & Freire, S.E. (2016)

Floral Microcharacters in South American species of Senecio s.str. (Asteraceae) with considerations on the circumscription of this genus

. Phytotaxa 244 (1): 1–25. https://doi.org/10.11646/phytotaxa.244.1.1