Helicascus presently comprises two marine species, H. kanaloanus and H. nypae. During investigations of freshwater ascomycetes in Egypt, Malaysia and northern Thailand, we collected two new species of Helicascus from freshwater, which is a new habitat for the genus. Helicascus aegyptiacus sp. nov. is characterised by its smaller asci and ascospores with verruculose walls. Helicascus aquaticus sp. nov. is distinct ... Read more