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USNM Number: 1639552
Collection Number: 71
Collection Date: 1936-06-15 single date
Collectors: Wynd, F. L.; Mueller, C. H.
Country: MX
State/Province:
Territory: Coahuila
County:
Precise Locality: Ramos Arizpe About 20 miles north of HipĆ³lito; along a rocky ridge in El Desierto de la Payla.
Latitude:
Longitude:
Elevation: feet
Cultivated: