see text Rimbachia is a genus of fungi in the family Tricholomataceae.

The genus contains about ten species with a widespread distribution in tropical regions.

[1] The genus name of Rimbachia is in honour of August Rimbach (1862–1943), who was a German botanist (Bryology).

He was between 1910-1919, Professor of Botany at the Agronomic Institute in Montevideo, Uruguay.

[2] The genus was circumscribed by Narcisse Théophile Patouillard in Bull.