Peppered rock-shield lichen (Xanthoparmelia conspersa) on sandstone on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023
Close-up of peppered rock-shield lichen (Xanthoparmelia conspersa) on sandstone on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023
Peppered rock-shield lichen (Xanthoparmelia conspersa) with apothecia on sandstone on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023
Peppered rock-shield lichen (Xanthoparmelia conspersa) and rock-dwelling fern Cheilanthes lindheimeri (Myriopteris lindheimeri, lipfern)(?) on sandstone on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023
Peppered rock-shield lichen (Xanthoparmelia conspersa) on a rock on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023
Texture of peppered rock-shield lichen (Xanthoparmelia conspersa) on a rock on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023
Growth of peppered rock-shield lichen (Xanthoparmelia conspersa) on a sandstone rock at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, February 14, 2024
Peppered rock-shield lichen (Xanthoparmelia conspersa) on sandstone at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
Peppered rock-shield lichen (Xanthoparmelia conspersa) on sandstone rocks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
Peppered rock-shield lichen (Xanthoparmelia conspersa) on a rock at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, February 14, 2024
Peppered rock-shield lichen (Xanthoparmelia conspersa) with apothecia on a rock at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, February 14, 2024
Peppered rock-shield lichen (Xanthoparmelia conspersa) with moss on a rock at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, February 14, 2024
Round patch of peppered rock-shield lichen (Xanthoparmelia conspersa) on a rock at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, February 14, 2024
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
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
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
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
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
Peppered rock-shield lichen Xanthoparmelia conspersa on sandstone rocks on a slope at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 24, 2021
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
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
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
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
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, February 24, 2021
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
Peppered rock-shield lichen Xanthoparmelia conspersa under oaks and red cedar on sandstone rocks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 24, 2021
Texture 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, February 24, 2021
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
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
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
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
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
Rock-shield lichen (Xanthoparmelia) on sandstone on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023
Some foliose rock-shield lichen (Xanthoparmelia) on sandstone on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023
Rosettes of some foliose rock-shield lichen (Xanthoparmelia) on sandstone on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023
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
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
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
Peppered rock-shield lichen Xanthoparmelia conspersa with apothecia at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 24, 2021
Foliose lichen Xanthoparmelia conspersa on sandstone on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023
Peppered rock-shield lichen (Xanthoparmelia conspersa) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight on a stone from Nails Creek Unit of Somerville Lake State Park. Texas, September 22, 2024
Speckled shield lichen (Punctelia) on a sandstone rock at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
Sunken button lichen (Buellia spuria) on a sandstone rock at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, February 26, 2023
Speckled shield lichen (Punctelia) with soredia(?) on a sandstone rock at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
Close-up of speckled shield lichen (Punctelia) on a sandstone rock at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
Parmotrema(?) lichen on sandstone on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023
Some fringe lichen (Heterodermia)(?) on sandstone on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023
Fringe lichen (Heterodermia)(?) on sandstone on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023
Buellia or may be Aspicilia, Lecidella lichen on sandstone on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023
Rosette of fringe lichen (Heterodermia)(?) on sandstone on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023
Close-up of fringe lichen (Heterodermia)(?) on sandstone on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023
Close-up of Buellia or may be Aspicilia, Lecidella lichen on sandstone on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023
Orange crustous lichen Caloplaca on a sandstone rock at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, February 14, 2024
Sunken button lichen (Buellia spuria) and some folios lichen on sandstone at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, February 26, 2023
Peppered rock-shield lichen (Xanthoparmelia conspersa) on a sandstone rock at an overlook point in Bastrop State Park. Bastrop, Texas, February 23, 2020
Yellow crustose rock lichen at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, February 26, 2023
Peppered rock-shield lichen (Xanthoparmelia conspersa) on sandstone near Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, March 14, 2019
Green moss on a sandstone rock at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, February 14, 2024
Close-up of salted shell lichen (Coccocarpia palmicola) on a sandstone rock in an oak forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
Curly green moss on sandstone at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, February 26, 2023
Rough speckled shield lichen (Punctelia rudecta) 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
Button lichen (Buellia) on a rock in a forest in area of sandstone outcrops at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
Rock-olive lichen (Peltula) in a forest in area of sandstone outcrops at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
Yellow and grey rock lichens at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, February 26, 2023
A lichen with olive green apothecia on a rock in a forest in area of sandstone outcrops at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
Button lichen (Buellia) growing on a rock in a forest in area of sandstone outcrops at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
A lichen with olive green apothecia on a rock near the ground in a forest in area of sandstone outcrops at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
Pattern of a lichen with olive green apothecia on a rock in a forest in area of sandstone outcrops at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
Salted shell lichen (Coccocarpia palmicola) on a large rock in a forest in area of sandstone outcrops at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
Sunken button lichen (Buellia spuria) and some folios lichen on rocks at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, February 26, 2023
Firedot lichen (Caloplaca) and peppered rock-shield (Xanthoparmelia conspersa) on a tomb in City Cemetery. Bryan, Texas, January 17, 2023
Green Cladonia lichen and mosses on rocks at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, February 26, 2023
Close-up of green Cladonia lichen on rocks at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, February 26, 2023
Peppered rock-shield lichen (Xanthoparmelia conspersa) on a granite tomb in City Cemetery. Bryan, Texas, December 8, 2018
Folious lichen Cladonia together with moss on sandstone rocks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
Close-up of sunken button lichen (Buellia spuria) on rocks at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, February 26, 2023
Peppered rock-shield lichen (Xanthoparmelia conspersa) with millipeds on a granite tomb in City Cemetery. Bryan, Texas, December 8, 2018
Apothecia of peppered rock-shield lichen (Xanthoparmelia conspersa) on a granite tomb in Odd Fellow Cemetery. Anderson, Texas, December 31, 2018
Yucca plant on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023
Yucca leaves on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023
Greenbrier (Smilax) and oaks on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023
Winter rosette of a thistle on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023
Large apothecia of peppered rock-shield lichen (Xanthoparmelia conspersa) on surface of a granite tomb in Odd Fellow Cemetery. Anderson, Texas, December 31, 2018
Leaves of squaw-weed (Senecio ampullaceus) on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023
Central part of winter rosette of a thistle on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023
Winter rosette of woolly-white (Hymenopappus artemisiaefolius) on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, December 21, 2023
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
Peppered rock-shield lichen (Xanthoparmelia conspersa) and firedot lichen Caloplaca on a tomb in City Cemetery. Bryan, Texas, January 3, 2019
Peppered rock-shield lichen (Xanthoparmelia conspersa) on a tomb in City Cemetery. Bryan, Texas, March 3, 2019
Cladonia(?) lichen on sandstone rocks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 24, 2021
Turbin lichen (Cladonia peziziformis) on sandstone at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2019
Peppered rock-shield lichen (Xanthoparmelia conspersa) on a granite tombstone in City Cemetery. Bryan, Texas, March 3, 2019
Buellia or may be Lecidella lichen 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
Yellow cobblestone lichen Acarospora socialis on sandstone at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
Rough speckled shield lichen (Punctelia rudecta) on a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
Buellia or may be Lecidella lichen 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
Salted shell lichen (Coccocarpia palmicola) on sandstone in a ravine at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 24, 2021
Fringe lichen together with some hydnoid (tooth) fungus on a dry branch of an oak on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, November 21, 2020
Pattern of peppered rock-shield lichen (Xanthoparmelia conspersa) on a granite tomb in City Cemetery. Bryan, Texas, March 3, 2019
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