Salazar, G. and Ballesteros-Barrera, C. 2010. <i>Sotoa</i>, a new genus of Spiranthinae (Orchidaceae) from Mexico and the southern United States. Lankesteriana: International Journal on Orchidology. 9, 3 (Jan. 2010), 491—504. DOI:https://doi.org/10.15517/lank.v9i3.52260.