Heterodermia is a genus of lichenized fungi in the family Physciaceae.

[3] Heterodermia are subterranean or almost upright leaf lichens with a bearing diameter of up to 10 centimeters.

The underside is white, tan or orange with pale or dark rhizines.

Lichenoverruculina is lichenicolous (a parasitic fungus that only lives on lichen as the host) and is found under the thallus of various Heterodermia species.

[4] The genus Heterodermia has about 80 species a large area of distribution, especially in the tropics.