Eurasian Watermilfoil, Eurasian Water Milfoil, Eurasian Water-milfoil, Spike Water-milfoil, Spiked Water Milfoil
Myriophyllum spicatum var. spicatum
A close-up of the inflorescence of eurasian watermilfoil as seen in Rowland Lake near Catherine Creek, central Columbia River Gorge........August 23, 2010.
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Additional close-up photos of eurasian watermilfoil as seen in Rowland Lake near Catherine Creek, central Columbia River Gorge........August 23, 2010.
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What is probably eurasian water milfoil as seen in the Deschutes River just south of Heritage Park.......July 27, 2011.
Paul Slichter