Moserella is a fungal genus in the family Sclerotiniaceae; according to the 2007 Outline of Ascomycota, its placement in this family is uncertain. This is a monotypic genus, containing the single species Moserella radicicola, described as new to science in 1994 by Reinhold Pöder and Christian Scheuer. The fungus grows in the damaged mycorrhizal root tips of Picea abies.