This foliose lichen was seen growing in a chaparral area on native rock.
Seen growing on native rock on a steep slope within an open canopy oak woodland.
pale yellow/green forking branches with white undersides. growing on a branch.
This foliose lichen was seen on a native Northern California black walnut tree in the Jack London State Historical Park. The tree is living and the branch of residence is about 180 cm above the ground.
Seen growing prolifically on the branch of a living oak tree.
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).