A New Species of Batrachospermum from Jiangsu, China Extraction and Characterization of a Virus Inhibitor,Sulfated Polysaccharides Extracted from Red Alga (Halymemin sinensis) Two New Species of the Genus Batrachospermum (Rhodophyta) in China Tuomeya Harvey, a genus of freshwater Rhodophyta newly recorded from China A morphological and molecular assessment of the genus Sinotubimorpha (Halymeniaceae, Rhodophyta)