“…A total of 210 seaweed species (some as new var. and species from the St. Martin's Island and brackish water, Bangladesh) have been recorded from Bangladesh coast mostly from the SMI (Aziz, 1997(Aziz, , 2001(Aziz, , 2016Aziz and Alfasane, 2020;Aziz and Islam, 2008;Rahman, 2010, 2011;Aziz et al, 2001Aziz et al, , 2002aAziz et al, ,b, 2004Aziz et al, , 2008aAziz et al, ,b, 2009Aziz et al, , 2015Islam, 1976;Islam andAziz, 1982,1986;Islam et al, 2002Islam et al, , 2004Islam S et al, 2010). Occurrence of St. Martin's Reef (SMR) about 14 km west of the St. Martin's Island was known in the year 2013 (Fig.…”