Phylum: Ascomycota Family: Tetraplosphaeriaceae
Tetraploa aristata Berk. & Broome 1850
An aquatic hyphomycetes whose distinctive conidia are water-borne. The fungus is common on many grass species.
References:
Ingold, C.T. (1975) Guide to Aquatic Hyphomycetes
Seifert, K. et al. (2011) The Genera of Hyphomycetes
Ellis, M.B. & Ellis, J.P (1997 new enlarged edition) Microfungi on Land Plants: An Identification Handbook