E. J. Geske - Marvels of Fern Life 08 - Common wood-fern (Dryopteris intermedia).jpg
{{Creator:Erich J. Geske}}
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E. J. Geske Marvels of Fern Life 08 Common wood fern (Dryopteris intermedia), National Geographic Magazine, 1925, Dryopteris intermedia - botanical illustrations, Erich J. Geske
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E. J. Geske Marvels of Fern Life 08 Common wood fern (Dryopteris intermedia), Illustration of Common wood-fern, Dryopteris intermedia
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E・J・ジェスケ『ファーンライフ』 08 シダの仲間
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E・J・ジェスケ『ファーンライフ』 08 コモンウッドシダの図解
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wood fern shield fern pteridologist grass fern