Box Elder
Acer negundo
Synonyms: Acer negundo ssp. californicum, Acer negundo var. californicum, Acer negundo var. negundo, Acer negundo var. variegatum, Negundo aceroides, Negundo californicum, Negundo negundo
Box elder as seen along Eightmile Creek below the Dalles Mountain Ranch, Columbia Hills State Park........May 7, 2011.
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The leaves and developing winged fruits of box elder as seen along Rock Creek at the Escure Ranch, eastern Adams County, Washington........May 14, 2011.
The leaves and flowers of box elder as seen along Eightmile Creek below the Dalles Mountain Ranch, Columbia Hills State Park........May 7, 2011.
Paul Slichter