Template:Do Espírito Santo et al., 2019
- Espírito Santo, F.S., Rapini, A., Ribeiro, P.L., Liede-Schumann, S., Goyder, D.J. & Fontella-Pereira, J. 2019. Phylogeny of the tribe Marsdenieae (Apocynaceae), reinstatement of Ruehssia and the taxonomic treatment of the genus in Brazil. Kew Bulletin 74(2)-30: 1–79. DOI: 10.1007/s12225-019-9807-4
