 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) under a microscope in KOH solution, collected in Birch Creek Unit of Somerville Lake State Park. Texas, May 18, 2024
 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
 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
 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
 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
 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
 Texture of resupinate polupore mushroom Trametes villosa on a fallen juniper at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 6, 2024
 Texture of bare-bottomed sunburst lichen (Xanthomendoza weberi, Gallowayella weberi) on upper part of a fallen dry tree at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 24, 2021
 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
 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
 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
 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
 Texture of sunken rim-lichen (Lecanora oreinoides) 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
 Texture of corticioid fungus Hyphodontia on a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 29, 2020
 Texture of resupinate polypore mushroom under a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019
 Texture of a hydnoid (tooth) fungus under a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019
 Texture of resupinate polypore mushroom on a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
 Texture of resupinate polypore fungus Ceriporia(?) under a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
 Texture of corticioid (crust) fungus Dichostereum effuscatum on a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 18, 2021
 Texture of tooth fungus (Corticiae) Mycoaciella bispora under a fallen elm or oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019
 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
 Texture of netted crust fungus (Byssomerulius corium) on a fallen oak branch at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
 Texture of resupinate polypore mushroom on a fallen juniper(?) tree in dry area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 13, 2022
 Texture of brown corticioid (crust) fungus Dichostereum effuscatum on a fallen live oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 1, 2023
 Texture of mature resupinate polypore mushroom Xylodon flaviporus (Schizopora flavipora) on a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 1, 2023
 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
 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
 Texture of brown corticioid (crust) mushroom Dichostereum effuscatum on a fallen dried live oak branch at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 1, 2023
 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
 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
 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
 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
 Slender orange-bush lichen (Teloschistes exilis) on a fallen oak twig at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 24, 2021
 Perforated ruffle lichen (Parmotrema perforatum) with apothecia on a fallen oak branch at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 Texture of polypore mushroom Perenniporia tephropora (Truncospora tephropora) on cut surface of a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 31, 2022
 Texture of elder whitewash fungus (Xylodon sambuci, Hyphodontia sambuci) under a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019
 Tuft of thorny Ramallina lichen (Ramalina willeyi) together with Parmotrema on a fallen oak twig at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 24, 2021
 Slender orange-bush lichen (Teloschistes exilis) together with T. chrysophthalmus, Ramallina and Parmotrema on a fallen oak twig at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 24, 2021
 Beard lichen (Usnea) on an elm tree on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
 Cyanobacteria Nostoc forming a blistered jelly lichen (Collema, Enchylium conglomeratum) on an oak branch in Lick Creek Park. College Station, Texas, October 3, 2018
 Close-up of resupinate polupore mushroom Trametes villosa on a fallen juniper at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 6, 2024
 Resupinate polupore mushroom Trametes villosa on a fallen red cedar (juniper) 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
 Beard lichen (Usnea) on small elm trees on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 14, 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
 Powdered ruffle lichen (Parmotrema hypotropum) from a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 1, 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
 Growth pattern of resupinate polupore mushroom Trametes villosa on a fallen juniper at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 6, 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
 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
 Bare-bottomed sunburst lichen (Xanthomendoza weberi, Gallowayella weberi) on upper part of a fallen dry tree at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 24, 2021
 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
 Bare-bottomed sunburst lichen (Xanthomendoza weberi, Gallowayella weberi) with its apothecia on upper part of a fallen dry tree at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 24, 2021
 Bare-bottomed sunburst lichen (Xanthomendoza weberi, Gallowayella weberi) on a fallen dry tree in area of past floodings at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 24, 2021
 Bare-bottomed sunburst lichen (Xanthomendoza weberi, Gallowayella weberi) with Heterodermia(?) on upper part of a fallen dry tree at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 24, 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
 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
 Texture of pore surface of bracket polypore mushrooms on rotting oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
 Texture of a cap of bolete mushroom Strobilomyces dryophilus under live oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 17, 2021
 Texture of common duckweed (Lemna minor) on a flooded trail at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 14, 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
 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
 Texture white resupinate polypore mushroom at the base of a dried juniper tree at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 1, 2023
 Texture of orange rust fungus Coleosporium ipomoeae on a leaf of Ipomoea lacunosa at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
 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
 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
 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
 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
 Texture of orange spots of rust fungus Coleosporium ipomoeae on a leaf of Ipomoea lacunosa at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
 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
 Turbin lichen (Cladonia peziziformis) on roadside at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 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
 Turbin lichen (Cladonia peziziformis) on sandstone at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2019
 Dark brown powdery lichen on a stone at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019
 Turbin lichen (Cladonia peziziformis) on roadside at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 5, 2020
 Texture of bicoloured bracket mushroom (Gelatoporia dichroa, Vitreoporus dichrous) on a dry red cedar tree without bark at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 29, 2020
 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
 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 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
 Powdered ruffle lichen (Parmotrema hypotropum) on bushes at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 5, 2020
 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
 Yellow cobblestone lichen Acarospora socialis on sandstone at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 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
 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
 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
 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
 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
 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
 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
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