Speckled blister lichen Trypethelium virens on atree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019 Lone Star Hiking Trail, Coldspring, TX 77331, USA
Tree lichen Trypethelium virens forming yellowish-brown and olive warts in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020 Lone Star Hiking Trail, Coldspring, TX 77331, USA