Tracy's thistle, Cirsium undulatum var. tracyi (Asterales: Asteraceae) - 1459734

Tracy's thistle
Cirsium undulatum var. tracyi (Rydb.) S.L. Welsh

Descriptor: Flower(s)
Image type: Field
Image location: United States

Photographer Information

Name: Steve Dewey
Organization: Utah State University
Country: United States

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Image Number: 1459734

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Image Use:(?) You must attribute the work in the manner specified (but not in any way that suggests endorsement).

Image Citation:(?) Steve Dewey, Utah State University, Bugwood.org

Node Affiliation: University of Georgia

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Image uploaded on Thursday, June 15, 2006
Image Information last updated on Friday, May 06, 2011