Byssoporia is a fungal genus in the family Albatrellaceae.

The genus is monotypic, containing the single widespread corticioid species Byssoporia terrestris.

[4] There are several varieties: sartoryi, lilacinorosea, aurantiaca, sublutea, and parksii.

These differ in bruising reaction, presence of clamp connections in the hyphae, or hyphal morphology.

[1] It was previously thought to belong in the Atheliaceae, but a molecular phylogenetics found it to belong in the Albatrellaceae.