For Sacoila
Brown, P.M. 2002. Wild orchids of Florida, with references to the Atlantic and Gulf Coastal Plains. Univ. Press of Florida. Google Scholar
Brown, P.M., and P.M. Catling. 2002. Sacoila. In Flora of North America Editorial Committee. 2002a. Flora of North America north of Mexico. Volume 26, Magnoliophyta: Liliidae: Liliales and Orchidales. Oxford Univ. Press, New York, NY. 723 pp. Google Scholar
Correll, D.S. 1950. Native orchids of North America north of Mexico. Chronica Botanica Cp., Waltham, MA. 399 pp. Google Scholar
Guimarães, L.R.S. 2014. Filogenia e citotaxonomia do clado Stenorrhynchos (Spiranthinae, Cranichideae, Orchidoideae, Orchidaceae). Ph.D. dissertation, UNAM, Sao Paolo, Brazil. Google Scholar
Huegel, C.N. 2009. A "new" species of native Florida orchid? The Palmetto 26(2): 4-7. Google Scholar