狀態: 原生 入侵: 出現紀錄: ??? 來源: Kilroy, 2004 此地點的物種說明: D. geminata is listed as an indicator species for monitoring rivers in Norway, falling in the range of unpolluted to moderately polluted rivers, with a median pH of 7.39 (Lindstrom, 1991). 最後修改 : 16/06/2005 2:51:32 p.m.
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