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Xanthium strumarium

3 photos found

cockle-bur
Xanthium strumarium
Snively Hot Springs, Malheur County, Oregon (5/10/22)
cockleburs
Xanthium strumarium
Smith & Bybee Wetlands, Portland, Oregon (9/11/21)
common cocklebur
Xanthium strumarium
Rooster Rock State Park, Multnomah County, Oregon (9/7/21)

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