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Photo © 2009 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: Heteranthera dubia
Current identification: Heteranthera dubia
Photographer: Gerald D. Carr
Date Photographed: September 12, 2009
Location: U.S.A., Oregon, Multnomah County: Rooster Rock State Park, mud flat, 0.13 air mi. NNE of Visitor Center, near offshore end of pilings, Oregon.
Elevation: 16 ft.
Coordinates: N45.54893, W122.23480
