University of Illinois Herbarium
Catalog #: ILL00105072
Secondary Catalog #: 26121
Taxon: Cirsium arizonicum var. rothrockii (A. Gray) D. J. Keil
Family: Asteraceae
Determiner: = (2015-02-14)
Collector: M. L. Walker   101   
Date: 1942-08-00
Verbatim Date: August 1942
Locality: United States, Texas, Hidalgo, Rio Grande Valley, La Joya gravel pit.
29.78503  -102.05189  WGS84
Specimen Images
Record Id: 1a0816ae-3665-4b70-a5ac-a505027bc335
For additional information on this occurrence, please contact: Andrew N. Miller (
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Current Record
University of Illinois Herbarium (ILL)
M. L. Walker 1011942-08-00
Catalog Number: ILL00105072
Latest Identification: Cirsium arizonicum var. rothrockii
Identified by: =2015-02-14

University of Texas at Austin Herbarium (TEX)
Mary Louis (Mrs. Elmer) Walker (George) 1011942-01-01
Catalog Number: TEX00204206
Latest Identification: Cirsium texanum
Identified by: Turner, B. L.2000

Indiana University Herbarium, Deam Herbarium (IND)
Mary Louise Walker 1011942-08-00
Catalog Number: IND-0123498
Latest Identification: Cirsium texanum

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