27 August 1987.
Mexico
Locality: Collected on Highway 70 between San Luis Potosi and Tampico about 30 miles east of San Luis Potosi, 1.8 miles east of San Fransisco.
Elevation: 2018m.
Environment description: Rocky limestone hills (mountains). Nuts collected from east side of pass. Tree that nuts were collected from was on south side of road on a rocky outcrop. Tree was 10 m tall, 20 years old, 23 cm in diameter.
Comment: Collected by Dan Parfitt, L.J. Grauke, J. Payne, B. Wood, and Jose Luis Cervantes.
Collector(s):