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该文报道了采自中国大兴安岭的罗西藻属(Rossthidium)等3属7种中国新记录硅藻。分别为皮氏罗西藻(Rossithidium petersennii),喜酸沙生藻(Psammothidium acidoclinatum),格劳宾登沙生藻(Psammothidium grischunum),近原子形沙生藻(Psammothidium subatomoides),腹面沙生藻(Psammothidium ventralis),显著片状藻(Platessa conspicua)和卢瑟片状藻(Platessa