Isoetes lacustris NRCS-4x3.jpg
W. Carl Taylor. USDA NRCS. 1992. Western wetland flora: Field office guide to plant species. West Region, Sacramento. Courtesy of USDA NRCS Wetland Science Institute.
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Isoetes lacustris NRCS 4x3, ''Isoetes lacustris'' L. - lake quillwort
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Isoetes lacustris NRCS 4x3, Isoetes lacustris
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イソテナガコモリ NRCS 4x3, 'Isoetes lacustris' L. - 湖のクイナ
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イソテツ・ラクストリス NRCS 4x3,イソテツ・ラクストリス
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isoetes quillwort isoetaceae isoetales boneset lycopsida lycopodiales joe-pye weed