[Cited as this species in R. Barneby, "Daleae Imagines," Memoirs NYBG 27. 1977.]
J. L. Reveal
3101
1972-09-15 - 1972-01-25
15 Sep 1972
Mexico, Durango, Along the dirt road from Hidalgo del Parral to El Vergel out of San Francisco del Oro, about 60 miles west of Parral and 15.1 miles west of Ojito, Sierra Madra Occidental
2499 meters
8200 ft
On limestone soil, associated with Pinus and Juniperus