“…Genetic discontinuity between the Indian ocean and Pacific Ocean sides of Sundaland has been observed in R. apiculata (Guo et al, 2016), R. mucronata (Yan et al, 2016), Av. marina (Wang et al, 2021), Sonneratia alba (Yang et al, 2017), S. caseolaris (Yang et al, 2016), Ceriops tagal (Huang et al, 2012), C. decandra (Huang et al, 2008), Xylocarpus species , Lumnitzera racemosa (Li et al, 2016), Bruguiera gymnorhiza (Minobe et al, 2010;Urashi et al, 2013), Excoecaria agallocha , Heritiera littoralis (Banerjee et al, 2020), Scaevola taccada (Banerjee et al, 2021) and Acanthus ilicifolus (Guo et al, 2020). In this study, the Malay Peninsula was again identified to isolate populations of Ae.…”