Template:Couto et al., 2014
- Couto, R. S.; Lopes, R. C. & Braga, J. M. A. 2014: Dioscorea sphaeroidea (Dioscoreaceae), a threatened new species from the high-altitude grasslands of southeastern Brazil with wingless seeds. Phytotaxa 163(4): 229–234. DOI: 10.11646/phytotaxa.163.4.3
