Four species of Biflagellospora are reported from submerged wood samples in
Thailand. They are characterized by simple, cylindrical, mostly geniculate
, brown conidiophores with one or more sub-hyaline to light-brown conidia b
earing long filiform appendages on each of two terminal cells. B. japonica
is a new record for Thailand. B. siamensis, B. papillata and B. gracilis ar
e described as new species.