Collage of Life Sciences;
Tianjin Normal University;
Tianjin 300387;
China;
Institute of Oceanology;
Chinese Academy of Sciences;
Qingdao 266071;
China;
Tianjin Key Laboratory of Animal and Plant Resistance;
Tianjin 300387;
China;
Cladophora gracilis; morphology observation; molecular identification; 18S rDNA; ITS;