Whittemore, A. T.; McDonald, A.; Boykin, Samuel; Ginzbarg, S.
2662
1985-07-22
22 July 1985
Mexico, Coahuila, Ridge of Sierra La Marta, saddle and peak immediately east of Cerro Morro, ca. 23 km ESE of San Antonio de las Alazanas
25.2 -100.3666666667
25° 12' 0.000" N, 100° 22' 0.000" W
3600 meters
3600.0000000000 m
Cracks in exposed north-facing rock face, north side of saddle, ca. 100 m below ridge crest with Senecio-Lupinus- grass herland, south side with grass - Lupinus - Garrya scrub; north side with Epilobium-Rubus seral scrub on 7 year old burn scar; all very rocky.