A large genus of chiefly alpine foliaceous lichens

• Type genus of the Parmeliaceae

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Parmelia \Parmelia\ prop. n. The type genus of the Parmeliaceae ; a large genus of chiefly alpine foliaceous lichens. Syn: genus Parmelia .

Wikipedia Word definitions in Wikipedia
Parmelia is a genus of medium to large foliose lichens . The ends of the leaf-like lobes are often squarish-tipped. The upper surface is pale bluish-gray to light brown in direct sunlight, with a network web-like ridges and depressions. The lower surface ...