Madrean Archipelago Biodiversity Assessment Observations
Catalog #: son-trv-17452
Occurrence ID (GUID): 8daa7d03-63a3-4b5e-af9c-afbf007d883f
Taxon: Mammillaria grahamii subsp. sheldonii (Britton & Rose) D.R. Hunt
Family: Cactaceae
Determiner: R.S. Felger
Collector: A.L. Reina-G.      
Date: 2012-01-05
Verbatim Date: 5-Jan-12
Additional Collectors: T.R. Van Devender
Locality: Mexico, Sonora, Guaymas, Mirador on Gulf of California, 3.3 km (by air) WSW of San Carlos
27.93806  -111.09722
Elevation: 58 meters (190ft)
Habitat: Rocky slope.
Specimen Images
Record ID: 8daa7d03-63a3-4b5e-af9c-afbf007d883f
For additional information on this specimen, please contact: Thomas R. Van Devender (
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