File:Kali tragus Russian thistle.jpg

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Summary

DescriptionKali tragus Russian thistle.jpg	English: Kali tragus, misnamed Russian thistle, the main species of tumbleweed in the US Midwest.
Date	7 July 2014, 09:59:17
Source	From: Agricultural Department, Washington 1895
Author	AnonymousUnknown author

Source: agricultural manual :The Russian Thistle in California. University of California Agricultural Experiment Station. Berkeley, May 1895 C. H. Shinn

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