![](../../pictures/archives/compress/2024/3541/jpeg/21t.jpg) 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
![](../../pictures/archives/compress/2024/3541/jpeg/20t.jpg) 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
![](../../pictures/archives/compress/2024/3541/jpeg/18t.jpg) Blistered jelly lichen (Collema) under a microscope in KOH solution, collected in Birch Creek Unit of Somerville Lake State Park. Texas, May 18, 2024
![](../../pictures/archives/compress/2024/3541/jpeg/08t.jpg) 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
![](../../pictures/archives/compress/2024/3541/jpeg/09t.jpg) 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
![](../../pictures/archives/compress/2024/3541/jpeg/07t.jpg) 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
![](../../pictures/archives/compress/2018/2407/jpeg/09t.jpg) Blistered jelly lichen (Collema) on a fallen oak branch near Birch Creek Unit of Somerville Lake State Park. Texas, November 24, 2018
![](../../pictures/archives/compress/2018/2407/jpeg/11t.jpg) Blistered jelly lichen (Collema) on bark of a fallen oak branch near Birch Creek Unit of Somerville Lake State Park. Texas, November 24, 2018
![](../../pictures/archives/compress/2018/2407/jpeg/10t.jpg) Blistered jelly lichen (Collema) with green moss on a fallen oak branch near Birch Creek Unit of Somerville Lake State Park. Texas, November 24, 2018
![](../../pictures/archives/compress/2024/3481/jpeg/28t.jpg) 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
![](../../pictures/archives/compress/2018/2372/jpeg/19t.jpg) Cyanobacteria Nostoc forming a blistered jelly lichen (Collema) on an oak branch in Lick Creek Park. College Station, Texas, October 3, 2018
![](../../pictures/archives/compress/2018/2372/jpeg/21t.jpg) Close up of a blistered jelly lichen (Collema) with Nostoc cyanobacteria on a fallen oak in Lick Creek Park. College Station, Texas, October 3, 2018
![](../../pictures/archives/compress/2018/2372/jpeg/20t.jpg) Texture of a blistered jelly lichen (Collema) with Nostoc cyanobacteria on a fallen oak in Lick Creek Park. College Station, Texas, October 3, 2018
![](../../pictures/archives/compress/2023/3314/jpeg/12t.jpg) Tissues (in Congo Red, at low magnification) of Ascomycete mushrooms Chorioactis geaster collected at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 1, 2023
![](../../pictures/archives/compress/2023/3314/jpeg/13t.jpg) Asci (in Congo Red, at low magnification) of Ascomycete mushrooms Chorioactis geaster collected at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 1, 2023
![](../../pictures/archives/compress/2024/3468/jpeg/34t.jpg) Hyphae and spores (in Congo Red) of peat mold fungus (Chromelosporium fulvum) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 6, 2024
![](../../pictures/archives/compress/2022/3234/jpeg/27t.jpg) Tiny mite under a microscope, collected near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
![](../../pictures/archives/compress/2022/3125/jpeg/34t.jpg) 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
![](../../pictures/archives/compress/2022/3124/jpeg/35t.jpg) 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
![](../../pictures/archives/compress/2023/3329/jpeg/17t.jpg) Spores (in Congo Red) of white crust fungus Dendrothele nivosa from bark of red cedar (juniper), collected a day before near Birch Creek Unit of Somerville Lake State Park. Texas, January 17, 2023
![](../../pictures/archives/compress/2023/3355/jpeg/31t.jpg) Basidia and cystidia (in Congo Red, x40 objective) of some tiny gilled mushrooms collected from moss under a juniper forest on a side of a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
![](../../pictures/archives/compress/2024/3468/jpeg/30t.jpg) 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
![](../../pictures/archives/compress/2024/3468/jpeg/33t.jpg) 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
![](../../pictures/archives/compress/2024/3468/jpeg/35t.jpg) 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
![](../../pictures/archives/compress/2024/3468/jpeg/36t.jpg) 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
![](../../pictures/archives/compress/2024/3468/jpeg/32t.jpg) 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
![](../../pictures/archives/compress/2024/3468/jpeg/31t.jpg) 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
![](../../pictures/archives/compress/2019/2597/jpeg/35t.jpg) Jelly like cyanobacteria Nostoc commune at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 17, 2019
![](../../pictures/archives/compress/2020/2639/jpeg/30t.jpg) 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
![](../../pictures/archives/compress/2024/3481/jpeg/06t.jpg) Beard lichen (Usnea) on an elm tree on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
![](../../pictures/archives/compress/2021/3016/jpeg/01t.jpg) 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
![](../../pictures/archives/compress/2021/3016/jpeg/02t.jpg) 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
![](../../pictures/archives/compress/2024/3481/jpeg/02t.jpg) Golden-eye lichen (Teloschistes chrysophthalmus) on a twig on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
![](../../pictures/archives/compress/2024/3620/jpeg/05t.jpg) Beard lichen (Usnea) on small elm trees on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 14, 2024
![](../../pictures/archives/compress/2024/3613/jpeg/11t.jpg) Powdered ruffle lichen (Parmotrema hypotropum) from a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 1, 2024
![](../../pictures/archives/compress/2024/3481/jpeg/03t.jpg) 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
![](../../pictures/archives/compress/2024/3541/jpeg/26t.jpg) Spores of mushrooms Saproamanita thiersii(?) under oak and Yaupon trees collected in Birch Creek Unit of Somerville Lake State Park. Texas, May 18, 2024
![](../../pictures/archives/compress/2024/3541/jpeg/27t.jpg) Spores of large Chanterelle mushrooms (Cantharellus cibarius) collected in Birch Creek Unit of Somerville Lake State Park. Texas, May 18, 2024
![](../../pictures/archives/compress/2021/3085/jpeg/16t.jpg) 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
![](../../pictures/archives/compress/2024/3481/jpeg/07t.jpg) 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
![](../../pictures/archives/compress/2024/3620/jpeg/06t.jpg) 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
![](../../pictures/archives/compress/2019/2435/jpeg/18t.jpg) 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
![](../../pictures/archives/compress/2024/3541/jpeg/28t.jpg) Spores of a solitary orange waxcap mushroom (Hygrocybe) collected under oaks in Birch Creek Unit of Somerville Lake State Park. Texas, May 18, 2024
![](../../pictures/archives/compress/2024/3533/jpeg/25t.jpg) Spores of bristled parachute mushrooms (Marasmius cohaerens) collected on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 11, 2024
![](../../pictures/archives/compress/2024/3533/jpeg/24t.jpg) 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
![](../../pictures/archives/compress/2019/2435/jpeg/29t.jpg) 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
![](../../pictures/archives/compress/2024/3481/jpeg/32t.jpg) Aeciospores of blackberry rust fungus Gymnoconia nitens, collected on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
![](../../pictures/archives/compress/2024/3533/jpeg/23t.jpg) 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
![](../../pictures/archives/compress/2024/3613/jpeg/06t.jpg) 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
![](../../pictures/archives/compress/2019/2615/jpeg/11t.jpg) Pertusaria lichen on a twig at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019
![](../../pictures/archives/compress/2019/2615/jpeg/12t.jpg) Pox lichen (Pyrenula)(?) on a twig at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019
![](../../pictures/archives/compress/2019/2597/jpeg/24t.jpg) Turbin lichen (Cladonia peziziformis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 17, 2019
![](../../pictures/archives/compress/2021/2871/jpeg/16t.jpg) Cladonia(?) lichen on sandstone rocks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 24, 2021
![](../../pictures/archives/compress/2024/3481/jpeg/29t.jpg) 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
![](../../pictures/archives/compress/2024/3613/jpeg/09t.jpg) 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
![](../../pictures/archives/compress/2019/2615/jpeg/17t.jpg) Dark brown powdery lichen on a stone at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019
![](../../pictures/archives/compress/2020/2639/jpeg/15t.jpg) Rosette lichen (Physcia)(?) on a hackberry tree at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
![](../../pictures/archives/compress/2020/2679/jpeg/20t.jpg) Turbin lichen (Cladonia peziziformis) on roadside at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 5, 2020
![](../../pictures/archives/compress/2019/2464/jpeg/12t.jpg) Turbin lichen (Cladonia peziziformis) on sandstone at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2019
![](../../pictures/archives/compress/2019/2464/jpeg/13t.jpg) Turbin lichen (Cladonia peziziformis) on roadside at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2019
![](../../pictures/archives/compress/2021/3085/jpeg/06t.jpg) 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
![](../../pictures/archives/compress/2021/3084/jpeg/17t.jpg) 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
![](../../pictures/archives/compress/2018/2246/jpeg/09t.jpg) 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
![](../../pictures/archives/compress/2019/2434/jpeg/07t.jpg) 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
![](../../pictures/archives/compress/2019/2434/jpeg/17t.jpg) 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
![](../../pictures/archives/compress/2019/2435/jpeg/30t.jpg) Yellow cobblestone lichen Acarospora socialis on sandstone at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
![](../../pictures/archives/compress/2021/3085/jpeg/09t.jpg) 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
![](../../pictures/archives/compress/2019/2435/jpeg/21t.jpg) 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
![](../../pictures/archives/compress/2021/3084/jpeg/09t.jpg) 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
![](../../pictures/archives/compress/2020/2679/jpeg/03t.jpg) Powdered ruffle lichen (Parmotrema hypotropum) on bushes at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 5, 2020
![](../../pictures/archives/compress/2024/3481/jpeg/31t.jpg) 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
![](../../pictures/archives/compress/2021/3085/jpeg/25t.jpg) 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
![](../../pictures/archives/compress/2019/2435/jpeg/02t.jpg) 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
![](../../pictures/archives/compress/2021/3085/jpeg/27t.jpg) 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
![](../../pictures/archives/compress/2021/3085/jpeg/04t.jpg) 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
![](../../pictures/archives/compress/2019/2597/jpeg/25t.jpg) 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
![](../../pictures/archives/compress/2021/3084/jpeg/10t.jpg) 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
![](../../pictures/archives/compress/2021/2871/jpeg/15t.jpg) 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
![](../../pictures/archives/compress/2021/2871/jpeg/32t.jpg) 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
![](../../pictures/archives/compress/2021/3085/jpeg/07t.jpg) 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
![](../../pictures/archives/compress/2021/3085/jpeg/11t.jpg) 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
![](../../pictures/archives/compress/2021/3085/jpeg/10t.jpg) 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
![](../../pictures/archives/compress/2019/2434/jpeg/06t.jpg) 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
![](../../pictures/archives/compress/2021/2871/jpeg/17t.jpg) 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
![](../../pictures/archives/compress/2019/2434/jpeg/08t.jpg) 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
![](../../pictures/archives/compress/2019/2434/jpeg/18t.jpg) 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
![](../../pictures/archives/compress/2024/3501/jpeg/31t.jpg) 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
![](../../pictures/archives/compress/2024/3481/jpeg/30t.jpg) 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
![](../../pictures/archives/compress/2020/2639/jpeg/19t.jpg) 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
![](../../pictures/archives/compress/2020/2639/jpeg/17t.jpg) 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
![](../../pictures/archives/compress/2019/2435/jpeg/28t.jpg) 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
![](../../pictures/archives/compress/2021/3084/jpeg/03t.jpg) 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
![](../../pictures/archives/compress/2019/2434/jpeg/22t.jpg) Lichen Dirinaria applanata or may be Physcia on smooth bark of hackberry tree at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
![](../../pictures/archives/compress/2020/2639/jpeg/20t.jpg) 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
![](../../pictures/archives/compress/2020/2638/jpeg/15t.jpg) 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
![](../../pictures/archives/compress/2020/2679/jpeg/24t.jpg) 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
![](../../pictures/archives/compress/2019/2434/jpeg/12t.jpg) 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
![](../../pictures/archives/compress/2020/2639/jpeg/26t.jpg) 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
![](../../pictures/archives/compress/2019/2434/jpeg/09t.jpg) 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
|