Delwedd:Potamogeton epihydrus NRCS-1.jpg

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English: Potamogeton epihydrus from Edward G. Voss. USDA NRCS. 1995. Northeast wetland flora: Field office guide to plant species. Northeast National Technical Center, Chester. Courtesy of USDA NRCS Wetland Science Institute.
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Ffynhonnell http://plants.usda.gov/java/largeImage?imageID=poep2_002_ahp.tif
Awdur Edward G. Voss
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Public domain This image is a work of the Natural Resources Conservation Service, part of the United States Department of Agriculture, taken or made as part of an employee's official duties. As a work of the U.S. federal government, the image is in the public domain in the United States.

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This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code. Note: This only applies to original works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the United States Postal Service since 1978. (See § 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use.

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cyfredol16:13, 25 Mawrth 2013Bawdlun y fersiwn am 16:13, 25 Mawrth 20131,650 × 1,100 (951 KB)Nonenmacfull-resolution image from same source
07:19, 26 Mawrth 2010Bawdlun y fersiwn am 07:19, 26 Mawrth 2010900 × 600 (58 KB)Stickpen{{Information |Description={{en|1=''Potamogeton epihydrus'' from Edward G. Voss. USDA NRCS. 1995. Northeast wetland flora: Field office guide to plant species. Northeast National Technical Center, Chester. Courtesy of USDA NRCS Wetland Science Institu

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