21 September 1997.
Coahuila de Zaragoza, Mexico
Locality: near top of Sierra de La Gloria, from about 15 km E of Monclova on road to Candela, then S on road to farm of Dr. Cardenas (by swimming pool complex), up private dirt road to nearing top of sierra, then hike to top, SSP 1:250,000-scale Map
Coordinates: 26.8481, -101.2742
(Map it)
Elevation: 2070m.
Environment description: growing under cacti and bushes
Collector(s): - Rivera-Pena, Antonio, INIFAP, Programa Nacional de la Papa
- Schuler, Konrad, Institute for Plant Genetics
- Spooner, David, USDA, ARS
- van den Berg, Ronald, Wageningen Agricultural University