Aita, Adriana M., Olivier Chauveau, Tatiana T. Souza-Chies, and Lilian Eggers. 2013. “Two New Species of Sisyrinchium (Iridaceae) from Subtropical Highland Grasslands of Southern Brazil”. Phytotaxa 88 (1). Auckland, New Zealand:9–18. https://doi.org/10.11646/phytotaxa.88.1.3.