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