07 October 1958.
Veracruz de Ignacio de la Llave, Mexico
Locality: Near Perote, road from Las Vigas to Jalapa, upper edge of the La Joya village, Malpais de La Joya.
Coordinates: 19.5667, -97.2333
(Map it)
Elevation: 2100m.
Environment description: Partial shade of pine and oak, among the old lava, with other vegetation.