于2011年5月(春季)、7月(夏季)和10月(秋季),先后3次对黑龙江扎龙国家级自然保护区进行鼓藻类植物调查,并对采集到的57份标本进行鉴定.结果发现,有6个分类单位为鼓藻类植物中国新记录,隶属于5个属,分别为:微小胶球鼓藻(Cosmocladium pusillum Hilse),中凹鼓藻(Cosmarium medioretusum Coesel),近前膨胀鼓藻锥形变种(Cosmarium subprotumidum var.pyramidale Coesel),双孢辐射鼓藻美国变种[Actinotaenium diplosporum var.americanum (West et West) Teiling],双臂角星鼓藻优美变种[Staurastrum bibrachiatum var.elegans (West et West) Prescott],冠毛多棘鼓藻钩状变种波兰变型(Xanthidium cristatum var.uncinatum f.polonicum Gutwingski).%A total of 57 samples were collected in May (Spring) ,July (Summer) and October (Autumn) 2011 from Zhalong National Nature Reserve in Heilongjiang Province,China. In the process of identity,six taxa belonging to 5 genera were newly recorded in China,they are Cosmocladium pusillum Hilse,Cosmari-um medioretusum Coesel,Cosmarium subprotumidum var. pyramidale Coesel,Actinotaenium diplosporum var. americanum (West et West) Teiling,Staurastrum bibrachiatum var. elegans (West et West) Prescott, Xanthidium cristatum var. uncinatum f. polonicum Gutwingski.
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