Su, C.-L., H. Lin, C.-S. Li, and C. Ren. “The Identities of Gynura molleri, G. papillosa, and G. winkleri (Asteraceae: Senecioneae) from West Africa”. Phytotaxa, vol. 772, no. 3, Sept. 2026, pp. 293-9, doi:10.11646/phytotaxa.772.3.9.