A total of 180 algal and 36 seagrass records, exclusively collected from the Andaman Sea area off
the coast of Thailand, are deposited in the Reference Collection of the Phuket Marine Biological Center
(PMBC). The collection consists of 113 algal species representing 37 families and 10 seagrass species
representing two families. Among these is included the paratype of the green alga Pseudostruvea siamensis
Egerod, 1975 [=Struveopsis siamensis (Egerod) Silva ex Silva, Basson and Moe, 1996]. A new combination
is proposed: Mesophyllum erubescens var. subflabellata (Foslie) Aungtonya and L.M. Liao, comb. nov.
Names applied to the species found in the collection have been updated following current usage. Each
record is provided with the PMBC accession number and locality data.