rust (Puccinia punctiformis ) on Canada thistle (Cirsium arvense ) - 5443109

rust
Puccinia punctiformis (F. Strauss) Röhl.

Host: Canada thistle (Cirsium arvense (L.) Scop.)
Descriptor: Sign
Description: Uredinia cover the underside of leaves and stem.
Image type: Field
Image location: State College, Pennsylvania, United States

Photographer Information

Name: Steven Conaway
Organization: Penn State University
Country: United States

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Image Number: 5443109

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Creative Commons License    This work is licensed under a Creative Commons Attribution-Noncommercial 3.0 United States License.

Image Use:(?) You must attribute the work in the manner specified (but not in any way that suggests endorsement). You may not use this work for commercial purposes unless permission is granted by the photographer or copyright owner.

Image Citation:(?) Steven Conaway, Penn State University, Bugwood.org

Node Affiliation: University of Georgia

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Image uploaded on Monday, August 15, 2011
Image Information last updated on Wednesday, August 24, 2011