Xanthoparmelia plittii
Xanthoparmelia plittii is a foliose lichen in the genus Xanthoparmelia.
Description
Xanthoparmelia plittii grows to around 4-10 cm in diameter with irregularly lobate lobes which are approximately 0.5-2 mm wide. The upper surface of the lichen is yellow-green, with cylindrical isidia. The lower surface is pale or medium brown in color with moderately to densely packed rhizines anchoring the lichen to the surface.Xanthoparmelia plittii is a member of the Xanthoparmelia mexicana group, a complex of similar species that differ mainly in their secondary chemistry.