Sul Ross University A. Michael Powell Herbarium
Catalog #: 2150
Taxon: Juglans microcarpa var. stewartii (I.M. Johnst.) W. Manning
Family: Juglandaceae
Collector: James Henrickson   14988   
Date: 1976-08-05
Verbatim Date: August 5, 1976
Additional Collectors: Barry Prigge
Locality: Mexico, Coahuila, Ca. 54 (air) miles SE of Big Bend National Park basin in S end of Sierra Maderas del Carmen in the Canon de la Fronteriza, 1-3 miles NW of Rancho San Isidro, at end of Canon de Alamo; riparian area.
28.916667  -102.55
Verbatim Coordinates: Near 28° 55' N 102° 33' W
Elevation: 1500-1800 meters
Verbatim Elevation: 1500-1800 m
Habitat: Riparian area.
Substrate: Limestone.
Associated Species: Quercus gravesii, Fraxinus velutina, Acer, Vitis, Juglans, Diospyros, etc.
Description: Large tree, 40 ft tall, trunk 2 ft diameter, fruit fully mature, falling while yellowish-green, leaves yellow-green.
Specimen Images
Rights Holder: Sul Ross University
Record Id: dc37f9c8-5367-407d-b994-9adb982bddbc
For additional information on this occurrence, please contact: A. Michael Powell (
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