 Title: Freshwater hyphomycetes. Taxonomy, morphology and ecologyAuthors: Nilsson, S.Keywords: ECOLOGY;FRESHWATER;FRESHWATER HYPHOMYCETES;HYPHOMYCETES;MORPHOLOGY;TAXONOMY1. Articulospora tetracladia f. angulata Tubaki Sv. Nilsson, Symbolae Botanicae Upsalienses 18 2: 83 1964 MB3532712. Clavatospora Sv. Nilsson, Symbolae Botanicae Upsalienses 18 2: 88 1964 MB5325453. Clavatospora longibrachiata Ingold Sv. Nilsson, Symbolae Botanicae Upsalienses 18 2: 88 1964 MB4542974. Clavatospora stellata Ingold V.J. Cox Sv. Nilsson, Symbolae Botanicae Upsalienses 18 2: 89 1964 MB4543035. Clavatospora tentacula Sv. Nilsson, Symbolae Botanicae Upsalienses 18 2: 89 1964 MB3283846. Geniculospora grandis Greath. Sv. Nilsson, Symbolae Botanicae Upsalienses 18 2: 95 1972 MB3143887. Geniculospora inflata Ingold Sv. Nilsson, Symbolae Botanicae Upsalienses 18 2: 96 1964 MB4542528. Geniculospora intermedia R.H. Petersen Sv. Nilsson, Symbolae Botanicae Upsalienses 18 2: 96 1964 MB4542769. Monotosporella microaquatica Tubaki Sv. Nilsson, Symbolae Botanicae Upsalienses 18 2: 102 1964 MB334455Summary: Nilsson, S. 1964. Freshwater hyphomycetes. Taxonomy, morphology and ecology. Symbolae Botanicae Upsalienses. 182:1-130 