Extract from Wikipedia article: Lecanora hybocarpa is a species of lichen in the family Lecanoraceae. Originally described in 1849 as a species of Parmelia, it was transferred to Lecanora in 1984 by Irwin Brodo.
Bumpy rim-lichen (Lecanora hybocarpa)(?) on a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019 Old Washington Town Site Loop Trail, Washington, TX 77880, USA