Paz Deble, L., Alves, F. D. S., González, A., & Deble, A. S. D. O. (2015).

Three new species of Cypella (Iridaceae) from South America, and taxonomic delimitation of C. suffusa Ravenna

. Phytotaxa, 236(2), 101–120. https://doi.org/10.11646/phytotaxa.236.2.1