 Tuft of thorny Ramallina lichen (Ramalina willeyi) on a thin twig of a bush in a half-open area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 Thorny Ramallina lichen (Ramalina willeyi) with apothecia on a thin twig of a bush in a half-open area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 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
 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
 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
 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
 Powdered ruffle lichen (Parmotrema hypotropum) on a twig of a bush in a half-open area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 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
 Perforated ruffle lichen (Parmotrema perforatum) on a twig of a small tree or a bush in half-open area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
 Powdered ruffle lichen (Parmotrema hypotropum) on a twig of small trees or bushes in half-open area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 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
 Bumpy ramalina lichen (Ramalina complanata) on small trees or bushes in half-open area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019
 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
 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
 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
 Powdered ruffle lichen (Parmotrema hypotropum) on bushes at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 5, 2020
 Southern strap lichen (Ramalina stenospora) on a bush in half-open area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
 Lichen Ramalina dasypoga on a small tree or a bush in half-open area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
 Ramalina dasypoga lichen on a small tree or a bush in half-open area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
 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
 Cladonia(?) lichen on sandstone rocks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 24, 2021
 Palmetto lichen (Ramalina celastri) on a small tree or a bush in half-open area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
 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
 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
 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
 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
 Peruvian cartilage lichen (Ramalina peruviana) on a small tree or a bush in half-open area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
 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
 Powdered ruffle lichen (Parmotrema hypotropum) on bushes in semi-open area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
 Powdered ruffle lichen (Parmotrema hypotropum) on bushes in semi-open area 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
 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
 Southern strap (cartilage) lichen (Ramalina stenospora) on a small tree or a bush in half-open area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
 Powdered ruffle lichen (Parmotrema hypotropum) on a small tree or a bush in half-open area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
 Powdered ruffle lichen (Parmotrema hypotropum) on small trees or bushes in half-open area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019
 Perforated ruffle lichen (Parmotrema perforatum) on a small tree or a bush in half-open area 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 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
 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
 Netted crust fungus (Byssomerulius corium) on a fallen oak twig at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
 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
 Smooth axil-bristle lichen (Myelochroa galbina) on a thin twig of a bush at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 Resupinate form of polypore mushroom Trametes villosa(?) on a fallen oak twig at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019
 Pattern of netted crust fungus (Byssomerulius corium) on a fallen oak twig at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
 Close-up of netted crust fungus (Byssomerulius corium) on a fallen oak twig at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
 Hairy caps of polypore mushroom Trametes villosa(?) on a fallen oak twig at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019
 Young growth of netted crust fungus (Byssomerulius corium) on a fallen oak twig at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
 Foliose lichens Ramalina celastri and Teloschistes exilis at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019
 Close-up of corticioid (crust) fungus on a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 18, 2021
 Texture of corticioid (crust) fungus on a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 18, 2021
 Corticioid (crust) fungus on underside of a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 18, 2021
 Flowering fringe lichen (Heterodermia echinata) on a twig of small trees or bushes in half-open area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 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
 Dry oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 24, 2021
 Greenbrier (Smilax) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 24, 2021
 Oaks and bushes at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 24, 2021
 Masses of greenbrier (Smilax) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 24, 2021
 Oaks overgrown by greenbrier at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 24, 2021
 Rosette of thistle under live oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 24, 2021
 Resupinate polypore mushroom Phellinus on a fallen oak branch under naturally growing live oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 18, 2021
 Some moss with long hair-like filaments on a sandstone outcrop at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 24, 2021
 Winter rosette of woolly-white (Hymenopappus artemisiaefolius) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 24, 2021
 Basal leaves of squaw-weed (Senecio ampullaceus) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 24, 2021
 Small (around 6 cm in diameter) polypore mushrooms Truncospora mexicana or may be Perenniporia ochroleuca on a fallen oak branch, together with Phellinus at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 18, 2021
 Split porecrust fungus (Schizopora paradoxa) on a fallen oak branch under naturally growing live oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 18, 2021
 Common bladder-moss (Physcomitrium pyriforme) on exposed soil at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 24, 2021
 Resupinate polypore mushroom Phellinus on a twig of a live oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
 Pear-shaped puffball mushrooms (Lycoperdon pyriforme, Apioperdon pyriforme) near fallen oak branches at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 18, 2021
 Small (around 6 cm in diameter) polypore mushrooms Truncospora mexicana or may be Perenniporia ochroleuca on a fallen oak branch under naturally growing live oaks, together with Phellinus at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 18, 2021
 Winter rosette of a thistle at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 18, 2021
 Frothy porecrust fungus (Oxyporus latemarginatus) on a fallen tree near Yegua Creek on Lake Somerville Trailway in area of Newman Bottom near Nails Creek Unit of Somerville Lake State Park. Texas, February 2, 2021
 Turbin lichen (Cladonia peziziformis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 17, 2019
 Small (around 6 cm in diameter) polypore mushrooms Truncospora mexicana or may be Perenniporia ochroleuca on a fallen oak branch under naturally growing live oaks, on a windy slope without grass at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 18, 2021
 Close-up of frothy porecrust fungus (Oxyporus latemarginatus) on a fallen tree near Yegua Creek on Lake Somerville Trailway in area of Newman Bottom near Nails Creek Unit of Somerville Lake State Park. Texas, February 2, 2021
 Spreading frothy porecrust fungus (Oxyporus latemarginatus) on a fallen tree near Yegua Creek on Lake Somerville Trailway in area of Newman Bottom near Nails Creek Unit of Somerville Lake State Park. Texas, February 2, 2021
 Pattern of frothy porecrust fungus (Oxyporus latemarginatus) on a fallen tree near Yegua Creek on Lake Somerville Trailway in area of Newman Bottom near Nails Creek Unit of Somerville Lake State Park. Texas, February 2, 2021
 Texture of frothy porecrust fungus (Oxyporus latemarginatus) on a fallen tree near Yegua Creek on Lake Somerville Trailway in area of Newman Bottom near Nails Creek Unit of Somerville Lake State Park. Texas, February 2, 2021
 Cross section of a fieldcap (Agrocybe) mushroom at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 18, 2021
 Wood blewit mushroom (Lepista nuda) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 18, 2021
 Fallen berries of red cedar at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
 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 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
 Rosette lichen (Physcia)(?) on a hackberry tree at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
 Brown corticioid fungus under a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019
 Trentepohlia (green alga) under a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
 Some corticioid (crust) fungus under a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
 Resupinate polypore mushroom on a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
 Resupinate polypore mushroom under a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019
 Tomentella fungus on underside of a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 29, 2020
 Fungus Tomentella on underside of a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 29, 2020
 Corticioid fungus Hyphodontia on a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 29, 2020
 Brown corticioid fungus under a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019
 Some hydnoid (tooth) fungus under a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019
 Flower buds of squaw-weed (Senecio ampullaceus) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 18, 2021
 White cover of frothy porecrust fungus (Oxyporus latemarginatus) on a fallen tree near Yegua Creek on Lake Somerville Trailway in area of Newman Bottom near Nails Creek Unit of Somerville Lake State Park. Texas, February 2, 2021
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