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You searched for: Start Over Decade 1960-1969 Remove constraint Decade: 1960-1969 Topic Tansy ragwort Remove constraint Topic: Tansy ragwort Photographer Henderson, Robert W. (Robert Wesley), 1914-2006 Remove constraint Photographer: Henderson, Robert W. (Robert Wesley), 1914-2006

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1. Foothills of Cascade Mountains infested with tansy ragwort, 1966

Foothills of Cascade Mountains infested with tansy ragwort, 1966

2. Tansy ragwort in Zane-Church Polled Hereford Farm, Oregon, circa 1970

Tansy ragwort in Zane-Church Polled Hereford Farm, Oregon, circa 1970

3. Tansy ragwort in Zane-Church Polled Hereford Farm, Oregon, circa 1970

Tansy ragwort in Zane-Church Polled Hereford Farm, Oregon, circa 1970

4. Tansy ragwort with horses in pasture near Toledo, Oregon, circa 1973

Tansy ragwort with horses in pasture near Toledo, Oregon, circa 1973

5. Tansy ragwort with horses in pasture near Toledo, Oregon, circa 1973

Tansy ragwort with horses in pasture near Toledo, Oregon, circa 1973

6. Tansy ragwort with horses in pasture near Toledo, Oregon, circa 1973

Tansy ragwort with horses in pasture near Toledo, Oregon, circa 1973

7. Closeup of bumblebee on tansy ragwort, Oregon, circa 1973

Closeup of bumblebee on tansy ragwort, Oregon, circa 1973

8. Closeup of bumblebee on tansy ragwort, Oregon, circa 1973

Closeup of bumblebee on tansy ragwort, Oregon, circa 1973

9. Closeup of bumblebee on tansy ragwort, Oregon, circa 1973

Closeup of bumblebee on tansy ragwort, Oregon, circa 1973

10. Cinnabar moth larvae on tansy ragwort, July 1966

Cinnabar moth larvae on tansy ragwort, July 1966