Collector:
H.H. Iltis; Robert Koeppen, Frank Iltis 1526
Date: 1960-07-12
Verbatim Date: July 12-14, 1960
Locality:
Mexico, Distrito Federal, lava fields ca. two km south-southwest of La Cima railroad station on either side of old Highway 95, on top of Serjana de Ajusco, ca. one km north of the Morelos border
19.1 -99.208333
Verbatim Coordinates:
19° 06' N 99° 12' 30" W
Elevation:
3050-3100 meters
(10004-10168ft)
Habitat:
very open, frequently burned Pinus woods, with tussock grasses (Festuca, Piptochaetium, Muhlenbergia "sacatonal") understory, on rocky lava and volcanic ash fields; Pinus