Espírito Santo, F. d. S. d., 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: Official Journal of the Royal Botanic Gardens, Kew, 74(2), . https://doi.org/10.1007/s12225-019-9807-4
Chicago-referens (17:e uppl.)Espírito Santo, Fabio da Silva do, Alessandro Rapini, Patrícia Luz Ribeiro, Sigrid Liede-Schumann, David J. Goyder, och Jorge Fontella-Pereira. "Phylogeny of the Tribe Marsdenieae (Apocynaceae), Reinstatement of Ruehssia and the Taxonomic Treatment of the Genus in Brazil." Kew Bulletin: Official Journal of the Royal Botanic Gardens, Kew 74, no. 2 (2019). https://doi.org/10.1007/s12225-019-9807-4.
MLA-referens (9:e uppl.)Espírito Santo, Fabio da Silva do, et al. "Phylogeny of the Tribe Marsdenieae (Apocynaceae), Reinstatement of Ruehssia and the Taxonomic Treatment of the Genus in Brazil." Kew Bulletin: Official Journal of the Royal Botanic Gardens, Kew, vol. 74, no. 2, 2019, https://doi.org/10.1007/s12225-019-9807-4.
