07 October 1993.
Hidalgo, Mexico
Locality: 6.3 km east of intersection with road to Cardonal, near Tolantongo National Park.
Coordinates: 20.6167, -99.0500
(Map it)
Elevation: 2110m.
Environment description: Roadside ditch, moist, clay soils. Assoc. vegetation: cult agave, mixed grasses & composites.
Comment: Moderate scattered sampled 30-50 plants.
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