RT @USGSAZ: New #USGS_SBSC & @UWBothell paper about nonnative Russian thistle (aka tumbleweed) that colonizes the sands of the Southwest. #…
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RT @USGSAZ: New #USGS_SBSC & @UWBothell paper about nonnative Russian thistle (aka tumbleweed) that colonizes the sands of the Southwest. #…
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RT @USGSAZ: New #USGS_SBSC & @UWBothell paper about nonnative Russian thistle (aka tumbleweed) that colonizes the sands of the Southwest. #…
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New #USGS_SBSC & @UWBothell paper about nonnative Russian thistle (aka tumbleweed) that colonizes the sands of the Southwest. #USGS_SBSC science helping parks like @PetrifiedNPS (where study was conducted) understand these difficult invasive plants: ht