University of Arizona Herbarium
Catalog #: 437685
Occurrence ID (GUID): urn:uuid:79d6f221-32e5-4606-8dc1-a1a350e80659
Taxon: Ambrosia dumosa (A. Gray) W.W. Payne
Family: Asteraceae
Determiner: J.R. Shaw (2012)
Collector: J.R. Shaw   98   
Date: 2012-04-23
Verbatim Date: 23 April 2012
Locality: United States, Arizona, Maricopa, Sonoran Desert National Monument. Unnamed tributary of Sand Tank Wash. 8.2 mi southwest of Interstate Highway 8 near Big Horn. 2.5 mi west of Papago Indian Chief Mine.
32.584341  -112.746878
Elevation: 482 meters Verbatim Elevation: 1580 ft
Habitat: Lower Colorado River Valley of Sonoran Desert. Sandy banks of ephemeral washes.
Description: Up to 50 cm tall. Fruit has straight spines. Uncommon.
Specimen Images
http: 358547
Record ID: 378b217d-f744-4bad-9f4a-42ac1c737d83
For additional information on this specimen, please contact: ARIZ Herbarium (
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