Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China;
Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China;
The Graduate School of the Chinese Academy of Sciences, Beijing 100039, China;
Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China;
Life Science College, Laiyang Agricultural University, Qingdao 266109, China;
Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China;
filamentous fronds; basal disc; sporeling; early development; Gracilaria asiatica;