Donya Meggs, Axhel Munoz, David Yetman, Cynthia Lindquist, George Ferguson, Leda Goncharoff, David Nickel, Greg Krukonis, Sarah Richardson, Rick Hudson
Mexico, Sonora, 5.9 mi. southeast of San Bernardino on road up Arroyo Taymuco (Arroyo San Bernardino) to mine at San Rafael.
27.358333 -108.816667
27° 21.5' N 108° 49' W
400 meters (1312ft)
Growing in second growth tropical deciduous forest.