Harzia is a genus of seed-borne fungus that occurs in the soil.

[7] Within the genus Harzia, Harzia acremonioides is one of the most common species that can be found in all climate regions around the world.

[7] The genus name of Harzia is in honour of Carl Otto Harz (1842-1906), who was a German mycologist, pharmacist and botanist.

[10] The genus and species Harzia acremonioides, was circumscribed by Julien Noël Costantin in Muced.

[11] As accepted by Species Fungorum;[12] The genus Harzia consists of a hyaline mycelium, a brown thick-walled blastoconidia, and hyaline conidiophores.