 Blistered jelly lichen (Collema) under a microscope in Congo red, collected in Birch Creek Unit of Somerville Lake State Park. Texas, May 18, 2024
 Hyphae of blistered jelly lichen (Collema) under a microscope in Congo red, collected in Birch Creek Unit of Somerville Lake State Park. Texas, May 18, 2024
 Large spherical structure of blistered jelly lichen (Collema) under a microscope in Congo red, collected in Birch Creek Unit of Somerville Lake State Park. Texas, May 18, 2024
 Texture of blistered jelly lichen (Collema) on a fallen oak on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 18, 2024
 Blistered jelly lichen (Collema) on bark of a fallen oak on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 18, 2024
 Cyanobacteria Nostoc forming a blistered jelly lichen (Collema) on a fallen oak on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 18, 2024
 Blistered jelly lichen (Collema, Enchylium conglomeratum) on a fallen oak branch near Birch Creek Unit of Somerville Lake State Park. Texas, November 24, 2018
 Blistered jelly lichen (Collema, Enchylium conglomeratum) on bark of a fallen oak branch near Birch Creek Unit of Somerville Lake State Park. Texas, November 24, 2018
 Blistered jelly lichen (Collema, Enchylium conglomeratum) with green moss on a fallen oak branch near Birch Creek Unit of Somerville Lake State Park. Texas, November 24, 2018
 White substance from animal droppings under a microscope (in KOH), collected on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
 Close up of a blistered jelly lichen (Collema, Enchylium conglomeratum) with Nostoc cyanobacteria on a fallen oak in Lick Creek Park. College Station, Texas, October 3, 2018
 Cyanobacteria Nostoc forming a blistered jelly lichen (Collema, Enchylium conglomeratum) on an oak branch in Lick Creek Park. College Station, Texas, October 3, 2018
 Texture of a blistered jelly lichen (Collema, Enchylium conglomeratum) with Nostoc cyanobacteria on a fallen oak in Lick Creek Park. College Station, Texas, October 3, 2018
 Tiny mite under a microscope, collected near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
 Spores of a bracket polypore mushroom Phellinus gilvus (Fuscoporia gilva) from a fallen oak through a microscope, collected at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park a day before. Texas, April 4, 2022
 Spores of rust fungus Puccinia eatoniae var. myosotidis(?) from spring scorpion grass under a microscope showing their texture, collected at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 3, 2022
 Various seedlings on a path in shade collected at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 6, 2024
 Spores of winter stalkball mushrooms (Tulostoma fimbriatum) collected at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 6, 2024
 Hyphae of peat mold fungus (Chromelosporium fulvum) collected at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 6, 2024
 Spores of resupinate polupore mushroom Trametes villosa from a fallen juniper, collected at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 6, 2024
 Tissues and spores at low magnification of peat mold fungus (Chromelosporium fulvum) from soil, collected at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 6, 2024
 Hyphae and spores at low magnification of peat mold fungus (Chromelosporium fulvum) from soil, collected at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 6, 2024
 Jelly like cyanobacteria Nostoc commune at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 17, 2019
 Jelly mushroom Tremella aurantia on a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
 Beard lichen (Usnea) on an elm tree on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
 Fan shaped jelly fungus (Dacryopinax spathularia) on a dry red cedar (juniper) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2021
 Fan shaped jelly fungus (Dacryopinax spathularia) on a fallen juniper at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2021
 Powdered ruffle lichen (Parmotrema hypotropum) from a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 1, 2024
 Golden-eye lichen (Teloschistes chrysophthalmus) on a twig on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
 Beard lichen (Usnea) on small elm trees on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 14, 2024
 Apothecia of golden-eye lichen (Teloschistes chrysophthalmus) on a twig on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
 Spores of mushrooms Saproamanita thiersii(?) under oak and Yaupon trees collected in Birch Creek Unit of Somerville Lake State Park. Texas, May 18, 2024
 Spores of large Chanterelle mushrooms (Cantharellus cibarius) collected in Birch Creek Unit of Somerville Lake State Park. Texas, May 18, 2024
 Jelly fungus Tremella aurantia parasitizing common wood rotter mushroom Stereum at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
 Beard lichen (Usnea) on branches of elm trees in a low lying area on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 14, 2024
 Slender orange-bush lichen (Teloschistes exilis) on a twig on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
 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
 Spores of a solitary orange waxcap mushroom (Hygrocybe) collected under oaks in Birch Creek Unit of Somerville Lake State Park. Texas, May 18, 2024
 Spores of bristled parachute mushrooms (Marasmius cohaerens) collected on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 11, 2024
 Spores (in KOH) of split fibrecap mushrooms (Pseudosperma rimosum) collected on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 11, 2024
 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
 Spores (spore print light brown) of Mallocybe mushrooms collected on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 11, 2024
 Aeciospores of blackberry rust fungus Gymnoconia nitens, collected on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
 Ramalina lichen on a twig when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 1, 2024
 Pox lichen (Pyrenula)(?) on a twig at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019
 Pertusaria lichen on a twig at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 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) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 17, 2019
 Aeciospores of blackberry rust fungus Gymnoconia nitens at low magnification, collected on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
 Golden-eye lichen (Teloschistes chrysophthalmus) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 1, 2024
 Turbin lichen (Cladonia peziziformis) on sandstone at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2019
 Turbin lichen (Cladonia peziziformis) on roadside at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2019
 Turbin lichen (Cladonia peziziformis) on roadside at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 5, 2020
 Dark brown powdery lichen on a stone at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019
 Rosette lichen (Physcia)(?) on a hackberry tree at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
 Caloplaca (orange) lichen on a roadside stone on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
 Palm ruffle lichen (Parmotrema tinctorum) on a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 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
 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
 Cartilage lichen (Ramalina stenospora) on a twig a bush at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
 Yellow cobblestone lichen Acarospora socialis on sandstone at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 Powdered ruffle lichen (Parmotrema hypotropum) on bushes at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 5, 2020
 Ruffle lichen Parmotrema submarginale(?) on a fallen oak branch at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 Turbin lichen (Cladonia peziziformis) on a side of a road at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
 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
 Aeciospores of blackberry rust fungus Gymnoconia nitens (stacked image), collected on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
 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
 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
 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
 Perforated ruffle lichen (Parmotrema perforatum) on a fallen oak branch at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 Bony beard lichen (Usnea trichodea) with apothecia on an elm tree at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
 Salted shell lichen (Coccocarpia palmicola) on a stone in an oak forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
 Powdered ruffle lichen (Parmotrema hypotropum(?)) on a fallen oak twig at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 24, 2021
 Close-up of turbin lichen (Cladonia peziziformis) on a side of a road at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
 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
 Elm trees with bony beard lichen (Usnea trichodea) in wet area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
 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
 Flowering fringe lichen (Heterodermia echinata) on a fallen oak twig 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 at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
 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
 Turbin lichen (Cladonia peziziformis) in shade on exposed soil at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 17, 2019
 Texture of aeciospores of blackberry rust fungus Gymnoconia nitens (stacked image), collected on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
 Spores of Eastern North American destroying angel mushrooms (Amanita bisporigera)(?) collected on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Pebbled pixie-cup lichen (Cladonia pyxidata) between rocks on a sandstone outcrop at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
 Strands of bony beard lichen (Usnea trichodea) on an elm tree in wet area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
 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
 Pendent strands of bony beard lichen (Usnea trichodea) on an elm tree at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
 Pyxine(?) and white fringe lichen (Heterodermia albicans) on a hackberry tree at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
 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
 Trees covered by bony beard lichen (Usnea trichodea) in wet area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
 Salted shell lichen (Coccocarpia palmicola) on sandstone in shade in an oak forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 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
 Dust lichen (Lepraria) in shady spot 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
 Salted shell lichen (Coccocarpia palmicola) on a large rock in a forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 5, 2020
 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
 Mycena corticola mushrooms and folious lichen on a large branch of a live oak 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 sandstone outcrop at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
 Powdered ruffle lichen (Parmotrema hypotropum) on a thin twig of a bush at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 Palmetto lichen (Ramalina celastri) on a bush in half-open area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
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