Mexico, Hidalgo, Tepeapulco, Originally obtained from the Abbey Garden, Reseda, Calif., Aug 1970, as 1 plant. Originally collected as Glass & Foster 1103, 13 Nov 1968, in Mexico: Hidalgo: Km. 230 on Hi 85, N of Zimapan, near San Vicente at Canyon de los Marmoles, 2300m alt.