Sul Ross University A. Michael Powell Herbarium
Catalog #: 2136
Taxon: Juglans microcarpa var. stewartii (I.M. Johnst.) W. Manning
Family: Juglandaceae
Collector: James Henrickson   15007   
Date: 1976-08-06
Verbatim Date: August 6, 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 Ranch San Isidro, at end of Canon del 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, Acer, Fraxinus velutina, Vitis, Juglans, Diospyros, etc.
Description: Large tree, 40 m tall, trunk 2.5 ft wide, deeply fissured, leaves yellow-green, fruit shed while yellow-green.
Specimen Images
Rights Holder: Sul Ross University
Record Id: 2fb8b540-a681-4296-9fe1-6f3bcbb29bc5
For additional information on this occurrence, please contact: A. Michael Powell (
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