Lemna perpusilla NRCS-1.jpg
Robert H. Mohlenbrock. 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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Lemna perpusilla NRCS 1, Lemna perpusilla
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Lemna perpusilla NRCS 1, ''Lemna perpusilla'' Torr. - minute duckweed
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ヤマトウヒ
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レンナカワウソ1号「レンナカワウソ」- モモ
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duckweed lemna