[3] The lichen is uncommon and is listed as endangered by the Nature Conservatory.
[1] Grows on rocks and is about 4–8 cm in diameter with dark yellowish green lobes which are approximately 0.1-0.2 mm wide, 0.1-0.6 mm high.
Moderately patchy rhizines on the underside that are 0.3-0.6mm long and are pale to dark brown in color.
This species has the appearances of being a hybrid species as its chemical make up is unique to the foothill region of the Sierra Nevada.
[2][4] Found in the US state of California.