Parmotrema subisidiosum(?) lichen on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019 Lone Star Hiking Trail, Coldspring, TX 77331, USA
Ruffle lichen Parmotrema subisidiosum on a tree on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, March 2, 2019 Little Lake Creek Loop Trail, Montgomery, TX 77356, USA