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Showing 1 to 1 of 1 for “"common Mullein"”.
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Distribution of Invasive Plant Species on Debris Cones at Mount Rainier National Park
… John’s-wort (<em>Hypericum perforatum) </em>and common mullein (<em>Verbascum thapsus)</em>, utilizing channels and bulges on the debris cone surfaces. These observations suggest that hydrologic flow and sediment movement downslope serve as the primary vectors of invasive plant movement. As a …