What is "xanthoparmelia"

Xanthoparmelia (rock-shield lichen) is a genus of foliose lichen in the Parmeliaceae family. Xanthoparmelia is synonymous with Almbornia, Neofuscelia, Chondropsis, Namakwa, Paraparmelia, and Xanthomaculina. This family of lichen is commonly found on the mid-east coast of the United States.

The name means 'golden yellow parmelia'. The photobiont (photosynthetic partner) is trebouxioid (a genus of algae).