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Photo © 2010 Gerald D. Carr. Usage restrictions: Photos may be used without prior permission for strictly personal use or classroom instruction. Prior permission is required for any profit-seeking or commercial use, including books, printed material, computer programs, web sites, or any use in which the photos will be publicly accessible. (Contact the photographer.)
Photo metadata:
Original identification: Spirodela polyrrhiza
Current identification: Spirodela polyrhiza
Photographer: Gerald D. Carr
Date Photographed: September 22, 2010
Location: U.S.A., Oregon, Lane County: Lane County, Oregon.
Elevation: 20 ft.
Coordinates: N44.08849, W124.11268
