Xanthoparmelia lavicola is a species of lichen in the family Parmeliaceae that can be found in Mexico north to Arizona and California in the United States.

[2] Xanthoparmelia lavicola grows in dry habitats on acidic rocks.

[3] The upper part is either light yellow or yellow-green and the bottom surface is brown.

The apothecia are 2–7 millimetres (0.079–0.276 in) wide and the thallus of which is laminal and is 4–7 centimetres (1.6–2.8 in) in diameter.

The disc is either cinnamon-brown or dark brown and is ellipsoid.