Arizona State University Vascular Plant Herbarium
Catalog #: ASU0020878
Occurrence ID (GUID): ac3ad195-39a6-470f-b083-b728fc95954e
Secondary Catalog #: 194924
Taxon: Helianthus annuus L.
Family: Asteraceae
Collector: T. R. Van Devender   93-22   
Date: 1993-03-08
Additional Collectors: R. K. Van Devender, J. F. Wiens, K. J. Johnson, C. D. Bertelsen, M. A. Baker, V. W. Steinmann, M. Bernzott
Locality: Mexico, Sonora, Ca. 2 miles west of Ciudad Obregon on Mexico 15.
27.485136  -110.043966 +-3300m.
Elevation: 25 meters (82ft)
Description: Locally common 1.5-2.0 m tall annual along roadside ditch, rays yellow.
Specimen Images
Record ID: ac3ad195-39a6-470f-b083-b728fc95954e
For additional information on this specimen, please contact: Elizabeth Makings (
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