Isoetes engelmannii.jpg
W. Carl Taylor. 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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Isoetes engelmannii, ''[[Isoetes engelmannii]]''
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Isoetes engelmannii, Isoetes engelmannii
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イソテツ・エンゲルマンイ
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エンゲルマンのイソエテス
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isoetes isoetaceae quillwort