Leptosira, A Newly Recorded Genus of Aerial Chlorophyta in China PHYTOPLANKTONIC CHLOROPHYTA, PYRROPHYTA AND CRYPTOPHYTA FROM DONG HU (EAST LAKE),WUHAN,HUBEI PROVINCE Life History of Monostroma latissimum Phylogenetic analyses on the biological crusts of several algae in the Taklimakan Desert The primary study of tissue culture of Enteromorpha prolifera