References

For Casasia

Mouly, A., K. Kainulainen, C. Persson, A.P. Davis, K.M. Wong, S.G. Razafimandimbison, and B. Bremer. 2014. Phylogenetic structure and clade circumscriptions in the Gardenieae complex (Rubiaceae). Taxon 63: 801-818. Google Scholar