University of Arizona Herbarium
Catalog #: 437866
Occurrence ID (GUID): urn:uuid:7aed9679-e34b-46e1-8fca-224ec5c8066e
Taxon: Cirsium arizonicum (A. Gray) Petrak
Family: Asteraceae
Determiner: G.M. Ferguson (2015)
Collector: Stephen Hale   5242   
Date: 2015-08-11
Verbatim Date: 11 August 2015
Additional Collectors: George Ferguson
Locality: Mexico, Sonora, Nacozari de Garcia, Mexico, Sonora, Nacozari de García, Cerro El Tigre, Sierra El Tigre, Rancho El Tigre, 84.3 miles by (rd), 32.4 miles (air) ENE Nacozari de Garcia.
30.583678  -109.201453
Verbatim Coordinates: 30°35'1.24"N 109°12'5.23"W
Elevation: 2098 meters Verbatim Elevation: 6883 ft
Habitat: Among stones and gravel of usually dry easterly draining ephemeral streambed in mountainous Arizona pine-dominated Madrean evergreen woodland.
Substrate: Stony, sandy soil.
Associated Species: Pinus arizonica, Pinus leiophylla, Arbutus arizonica, Arbutus xalapensis, Quercus mcvaughii
Description: 0.6 meter tall erect herb with spiny leaves and predominantly erect rich red-pink corollas.
Specimen Images
Link to Source: 358869
Record ID: 3eab512d-4ec5-4011-b411-01dd6475bbf3
For additional information on this specimen, please contact: ARIZ Herbarium (
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