Extract from Wikipedia article: Xanthoparmelia conspersa (peppered rock-shield) is a foliose lichen. Rosettes are 4–12 cm in diameter. The thallus may be appressed to the substrate or may be loosely attached. Secondary metabolites found in Xanthoparmelia conspersa include usnic acid, hyposalazinic acid, stictic and norstictic acid.
Peppered rock-shield lichen (Xanthoparmelia conspersa) on a granite tomb in City Cemetery. Bryan, Texas, December 8, 2018 1400 N Washington Ave, Bryan, TX 77803, USA
Peppered rock-shield lichen (Xanthoparmelia conspersa) with millipeds on a granite tomb in City Cemetery. Bryan, Texas, December 8, 2018 1500 N Washington Ave, Bryan, TX 77803, USA
Apothecia of peppered rock-shield lichen (Xanthoparmelia conspersa) on a granite tomb in Odd Fellow Cemetery. Anderson, Texas, December 31, 2018 1667 FM 149, Anderson, TX 77830, USA
Peppered rock-shield lichen (Xanthoparmelia conspersa) growing around inscription on a granite tomb of C. M. Womack (5/24/1862) in Odd Fellow Cemetery. Anderson, Texas, December 31, 2018 1667 FM 149, Anderson, TX 77830, USA
Large apothecia of peppered rock-shield lichen (Xanthoparmelia conspersa) on surface of a granite tomb in Odd Fellow Cemetery. Anderson, Texas, December 31, 2018 1667 FM 149, Anderson, TX 77830, USA
Xanthoparmelia conspersa and Caloplaca lichens on a tomb in City Cemetery. Bryan, Texas, January 3, 2019 Unnamed Road, Bryan, TX 77803, USA
Peppered rock-shield lichen (Xanthoparmelia conspersa) and firedot lichen Caloplaca on a tomb in City Cemetery. Bryan, Texas, January 3, 2019 Unnamed Road, Bryan, TX 77803, USA
Peppered rock-shield lichen Xanthoparmelia conspersa on sandstone outcrop at the road descent at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019 Lake Somerville Trailway, Somerville, TX 77879, USA
Soredia of peppered rock-shield lichen Xanthoparmelia conspersa on sandstone outcrop at the road descent at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019 Lake Somerville Trailway, Somerville, TX 77879, USA
Old patch of peppered rock-shield lichen Xanthoparmelia conspersa on sandstone outcrop at the road descent at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019 Lake Somerville Trailway, Somerville, TX 77879, USA
Young patch of peppered rock-shield lichen Xanthoparmelia conspersa on sandstone outcrop at the road descent at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019 Lake Somerville Trailway, Somerville, TX 77879, USA
Peppered rock-shield lichen Xanthoparmelia conspersa on sandstone outcrop at the road descent at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019 Lake Somerville Trailway, Somerville, TX 77879, USA
Peppered rock-shield lichen Xanthoparmelia conspersa on sandstone outcrops in an oak and red cedar forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019 Lake Somerville Trailway, Somerville, TX 77879, USA
Peppered rock-shield lichen Xanthoparmelia conspersa with soredia on sandstone outcrops in an oak and red cedar forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019 Lake Somerville Trailway, Somerville, TX 77879, USA
Peppered rock-shield lichen Xanthoparmelia conspersa on sandstone in an oak and red cedar forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019 Lake Somerville Trailway, Somerville, TX 77879, USA
Peppered rock-shield lichen Xanthoparmelia conspersa covering sandstone in an oak and red cedar forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019 Lake Somerville Trailway, Somerville, TX 77879, USA
Sunken rim-lichen (Lecanora oreinoides) and peppered rock-shield lichen (Xanthoparmelia conspersa) on sandstone outcrops in an oak and red cedar forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019 Lake Somerville Trailway, Somerville, TX 77879, USA
Peppered rock-shield lichen (Xanthoparmelia conspersa) on a rock at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019 Lake Somerville Trailway, Somerville, TX 77879, USA
Apothecia of peppered rock-shield lichen (Xanthoparmelia conspersa) on a rock at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019 Lake Somerville Trailway, Somerville, TX 77879, USA
Rosettes of peppered rock-shield lichen (Xanthoparmelia conspersa) on sandstone at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019 Lake Somerville Trailway, Somerville, TX 77879, USA
Peppered rock-shield lichen (Xanthoparmelia conspersa) and sunken rim-lichen (Lecanora oreinoides) on a rock at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019 Lake Somerville Trailway, Somerville, TX 77879, USA
Soredia of peppered rock-shield lichen (Xanthoparmelia conspersa) on sandstone at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019 Lake Somerville Trailway, Somerville, TX 77879, USA
Small rosette of peppered rock-shield lichen (Xanthoparmelia conspersa) on sandstone at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019 Lake Somerville Trailway, Somerville, TX 77879, USA
Peppered rock-shield lichen (Xanthoparmelia conspersa) on a tombstone in Old Independence Cemetery near Independence. Texas, February 10, 2019 8675 Coles Rd, Brenham, TX 77833, USA
Peppered rock-shield lichen (Xanthoparmelia conspersa) on a granite tombstone in Old Independence Cemetery near Independence. Texas, February 10, 2019 8675 Coles Rd, Brenham, TX 77833, USA
Peppered rock-shield lichen (Xanthoparmelia conspersa) on a granite tombstone in City Cemetery. Bryan, Texas, March 3, 2019 1500 N Washington Ave, Bryan, TX 77803, USA
Peppered rock-shield lichen (Xanthoparmelia conspersa) on a tomb in City Cemetery. Bryan, Texas, March 3, 2019 Unnamed Road, Bryan, TX 77803, USA
Pattern of peppered rock-shield lichen (Xanthoparmelia conspersa) on a granite tomb in City Cemetery. Bryan, Texas, March 3, 2019 Unnamed Road, Bryan, TX 77803, USA
Apothecia of peppered rock-shield lichen (Xanthoparmelia conspersa) on a granite tomb in City Cemetery. Bryan, Texas, March 3, 2019 1206 N Houston Ave, Bryan, TX 77803, USA
Texture of peppered rock-shield lichen (Xanthoparmelia conspersa) on a granite tomb in City Cemetery. Bryan, Texas, March 3, 2019 1201 Pear St, Bryan, TX 77803, USA
Peppered rock-shield lichen (Xanthoparmelia conspersa) on sandstone near Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, March 14, 2019 Park Rd 1-A, Bastrop, TX 78602, USA
Peppered rock-shield lichen Xanthoparmelia conspersa on a sandstone outcrop at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020 Lake Somerville Trailway, Somerville, TX 77879, USA
Texture of peppered rock-shield lichen Xanthoparmelia conspersa on a sandstone outcrop at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020 Lake Somerville Trailway, Somerville, TX 77879, USA
Peppered rock-shield lichen (Xanthoparmelia conspersa) on a sandstone rock at an overlook point in Bastrop State Park. Bastrop, Texas, February 23, 2020 Park Rd 1-A, Bastrop, TX 78602, USA