Ariocarpus furfuraceus is a cactus of the genus Ariocarpus, which can be found in the state of Coahuila in northern Mexico. It is considered by some authors as synonymous with Ariocarpus retusus.
Dermatophyllum secundiflorum is a species of flowering shrub or small tree in the pea family, Fabaceae, that is native to the southwestern United States (Texas, New Mexico) and Mexico (Chihuahua and Coahuila south to Hidalgo, Puebla and Quer‚taro)