U.S.A., New Mexico, Rio Arriba, Carson National Forest and Vicinity: at the northeast base of San Antonio Mountain, ca 4 air mi NNE of the summit on Forest Road 118, ca 18 air mi N of Tres Piedras; ca 5.5 air mi S of Colorado.
36.916 -105.9887
36.916° N, 105.9887° W; GPS Reading; T31N R9E S21 NE1/4; also SE1/4 S16
2512-2530 meters
8240-8300 ft.
Clayey flats with Atriplex, Chrysothamnus, Krashninnikovia, and grasses.