Operculina pteripes Illustration from Curtis’s Botanical Magazine, vol. 88 [ser. 3, vol. 18]: t. 5330. 1862. Mexico, Sonora, Mpio. Ures, Sierra Mazatán, Jesús Sánchez-Escalante. Mexico, Yucatan, Campeche, Nov 1973, Daniel Austin. Mexico: Sonora: Municipio de Yécora 1.1 km (by air) E of Curea. 28.31000°N 109.26806°W, 532 m elev. Rocky hillside. Foothills thornscrub/tropical deciduous forest. 5 Aug 2012, T.R. Van Devender & R.A. Villa. Mexico, Sonora, E of Alamos, 27 0 13.21 N, 108 47 16.46 W, 10 May 2013, Michael Chamberland
