15 September 2009.
Arizona, United States
Locality: Pima County. Coronado National Forest, Santa Catalina Mountains. On Catalina Highway to Mt. Lemmon to Summerhaven to Marshall Gulch trail #3 to Wilderness of Rocks trail #44.
Coordinates: 32.4281, -110.7797
(Map it)
Elevation: 2315m.
Habitat: Wild Habitat
Environment description: Where trail crosses creek in habitat of large burned Ponderosas. Moist dark organic and sandy soil under willows and among ferns and grass.
Comment: For additional collecting details see the
Potato Collecting Expedition Log
Collector(s):