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1 390776 Equisetum trachyodon (A. Braun) Koch [181 390719 Equisetum hyemale subsp. trachyodon A. Braun]
Nov. Actorum Acad. Caes. Leop.-Carol. German. Nat. Cur., vol. 32(2): : t. 33 (1867)
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