Niessliaceae

The Niessliaceae are a family of fungi in the phylum Ascomycota, class Sordariomycetes. The family was updated in 2020.

Trichosphaerella is a genus of lichenicolous fungi in the family Niessliaceae.

Niesslia is a genus of fungi in the family Niessliaceae. It was circumscribed by German mycologist Bernhard Auerswald in 1869, with Niesslia chaetomium assigned as the type species.

Valetoniella is a genus of fungi within the Niessliaceae family. The genus contains three species.

Melanopsamma is a genus of fungi within the Niessliaceae family. The genus contains 41 species.