Canada thistle, Cirsium arvense  (Asterales: Asteraceae) - 1929056

Canada thistle
Cirsium arvense (L.) Scop.

Descriptor: Infestation
Description: in canola (Rape seed) field near Consort, Alberta
Image type: Field
Image location: , Canada

Specimen Information

Specimen in collection: No
Specimen Condition:
Identification Method:

Photographer Information

Name: Alec McClay
Organization: McClay Ecoscience
Country: Canada
Series:canada thistle biological control

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Image Number: 1929056

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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:(?) Alec McClay, McClay Ecoscience,

Node Affiliation: Bugwood - UGA

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Image uploaded on Monday, January 01, 1990
Image Information last updated on Saturday, January 23, 2016