Xanthoparmelia lavicola

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. It has also been found in Ecuador. Xanthoparmelia lavicola grows in dry habitats on acidic rocks. It has also been called the trochanter lichen.

Description

The upper part is either light yellow or yellow-green, and the bottom surface is brown. The apothecia are wide, and the thallus is laminal and in diameter. The disc is either cinnamon-brown or dark brown, and ellipsoid. The pycnidia is immersed, while the conidia are bifusiform.