We describe and illustrate a series of rare or inadequately known species of mitosporic fungi (hyphomycetes), which were isolated from foam from Canadian streams: Alatospora constricta, Arborispora dolichovirga, Calcarispora hiemalis, Cladoconidium articulatum, Lateriramulosa quadriradiata, Sympodiocladium frondosum, Tetrabrunneospora ellisii, Tricladium caudatum, Trifurcospora irregularis, Triglyphium alabamense, Varicosporium trimosum. Ypsilina graminea is reported with microconidial state.
Marvanová L., Bärlocher F. (2001): Hyphomycetes from Canadian streams. VI. Rare species in pure cultures. – Czech Mycology 53(1): 1–28.