06 October 1993.
Querétaro, Mexico
Locality: Roadside, 3 km S Galindo on road to Amealco. Near Galindo.
Coordinates: 20.3667, -100.0833
(Map it)
Elevation: 2010m.
Environment description: In rocks, rocky sandy soil. Assoc. with Gomphrena, Salvia, Opuntia, Sanvitalia procumbens.
Number of plants sampled: 12
Collector(s): - Campos, Alvaro, Universidad National Autonoma de Mexico
- Fuentes-Granados, Roger, Iowa State University
- Roath, William W., USDA, ARS
- Widrlechner, Mark P., USDA, ARS