shield lichens
Parmelia
Summary 2
Parmelia is a genus of medium to large foliose lichens.:78 The ends of the leaf-like lobes are often squarish-tipped.:78 The upper surface is pale bluish-gray to light brown in direct sunlight, with a network web-like ridges and depressions.:78 The lower surface is black and has rhizines anchoring it to the substrate.:78
Sources and Credits
- (c) kilasiak, some rights reserved (CC BY-NC), uploaded by kilasiak
- (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Parmelia_(lichen)
