On twig under grand fir and doug fir, with bands of dark pycnidia.
On twig under grand fir and doug fir, with black pycnidia on margins.
Frost (?) rings of Hypogymnia.
Lichen growing on a decaying piece of Quercus agrifolia
The Parmeliaceae is a large and diverse family of Lecanoromycetes. With over 2000 species in roughly 87 genera, it is regarded as the largest family of lichen forming fungi. The most speciose genera in the family are the well-known groups: Xanthoparmelia (800+ species), Usnea (500+ species), Parmotrema (350+ species), and Hypotrachyna (190+ species).