Interior of Birch House in Gatchina Park. Gatchina, a suburb of Saint Petersburg, Russia, June 20, 2009
Tinder bracket mushrooms Pycnoporellus fulgens on birch logs in Sosnovka Park. Saint Petersburg, Russia, July 6, 2017
Some crustous fibrillous fungus on a birch tree in Sosnovka Park. Saint Petersburg, Russia, September 13, 2017
Flower buds of buttonbush (Cephalanthus occidentalis) on a shore of the lakein Birch Creek Unit of Lake Somerville State Park, Texas, July 22, 2018
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
Sunken rim-lichen (Lecanora oreinoides) or may be Aspicilia 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
Lake shore at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 6, 2019
Close up of hemisphaeric liverwort (Reboulia hemisphaerica) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 17, 2019
Frostweed (Verbesina virginica) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 17, 2019
Contorted corrugated steel pipe at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019
Greenbrier (Smilax) 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
Bushy beard lichen (Usnea strigosa) 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
Close up of male flowers of eastern swamp privet (Forestiera acuminata var. vestita) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 14, 2020
Salt moth caterpillar at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 5, 2020
Blunt pellitory (Parietaria pensylvanica, Urticaceae) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 5, 2020
Grassy road at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 5, 2020
Reddish leaves of honey locust (Gleditsia triacanthos) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, June 14, 2020
Barnyard grass (cockspur, Echinochloa crus-galli) with a little green frog on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
Little green frog on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
Close-up of western umbrella-sedge (Fuirena simplex) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
Hooker s eryngo (Eryngium hookeri) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
Caps of artist s bracket mushrooms (Ganoderma applanatum) on a birch in Sosnovka Park. Saint Petersburg, Russia, August 4, 2017
Pores of Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina) mushrooms on a dry fallen trunk of Eastern Red Cedar (Juniperus virginiana) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
Tiny yellow flowers of monkey jump-up (Mecardonia procumbens) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2019
Road through birch forest in Sosnovka Park. Saint Petersburg, Russia, May 17, 2011
Corner interior of Birch House in Gatchina Park. Gatchina, a suburb of Saint Petersburg, Russia, June 20, 2009
Pink phlox flowers in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
Plafond of Birch House in Gatchina Park. Gatchina, a suburb of Saint Petersburg, Russia, June 20, 2009
Pond Karasiovoe Ozero and birches in northern area of Sosnovka Park in mist. Saint Petersburg, Russia, June 26, 2010
Birch forest from Listvennaya Alley in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
Flower of buttonbush (Cephalanthus occidentalis) on a shore of the lake in Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2012
Flowers of a species of Indigofera near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
Birch alley in eastern part of Sosnovka Park. Saint Petersburg, Russia, August 14, 2007
Turnsole (Heliotropium indicum) with a small beetle at a cattle drinking pond near a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, August 29, 2009
Tiny Diodia like flower on roadside near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
Prostrate form of purple toothed polypore fungus (Trichaptum biforme) on a fallen birch in Sosnovka Park. Saint Petersburg, Russia, March 20, 2017
Dead oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 17, 2019
Birches on a small island on Beloe Lake in Gatchina Park. Gatchina, a suburb of Saint Petersburg, Russia, July 5, 2010
Birches near Slavyanka River in Pavlovsk Park, suburb of Saint Petersburg. Russia, May 15, 2011
Katydid nymph on a petal of prickly poppy (Argemone albiflora) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
Group of birch milkcap mushrooms (Lactarius tabidus) in Sosnovka Park. Saint Petersburg, Russia, September 16, 2017
Birches of Poperechnaya Alley in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, September 17, 2013
Oyster mushrooms (Pleurotus ostreatus, Russian name Veshenka) on a birch in Sosnovka Park. Saint Petersburg, Russia, December 8, 2016
Brown corticioid mushrooms with large pores of Ceriporia purpurea group on a dry rotten oak near a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, March 14, 2018
Birch trees and logs in Sosnovka Park. Saint Petersburg, Russia, May 30, 2009
Gulf Fritillary (Agraulis vanillae) butterfly on a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, August 29, 2009
Small species of Water-primrose (Ludwigia) at a cattle drinking pond near a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, August 29, 2009
Birches on shore of Gulf of Finland in Alexandria Park in Peterhof, west from Saint Petersburg. Russia, June 6, 2011
Birches of Krasnogo Bugra Alley in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, September 15, 2016
Birch alley in Sosnovka Park. Saint Petersburg, Russia, October 25, 2016
Pores of Red-Belt Conk mushroom ( Fomitopsis pinicola) from a birch in Sosnovka Park. Saint Petersburg, Russia, March 20, 2017
Birch forest with snow in Sosnovka Park. Saint Petersburg, Russia, April 22, 2017
Red velvety patches on a birch leaf caused by the eriophyid mite in Sosnovka Park. Saint Petersburg, Russia, June 29, 2017
Southern canary grass (Phalaris caroliniana) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
Inflorescense of Drummond wild onion (Allium drummondii) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
Umbel of flowers of summer spiderlily (woodland spider-lily, Hymenocallis occidentalis) in Birch Creek Unit of Lake Somerville State Park, Texas, July 22, 2018
Marshy peninsula in Birch Creek Unit of Lake Somerville State Park, Texas, July 22, 2018
Birch trees in Sosnovka Park. Saint Petersburg, Russia, September 3, 2018
Bracket mushrooms Pycnoporus sanguineus on a fallen oak branch near Birch Creek Unit of Somerville Lake State Park. Texas, October 7, 2018
Resupinate poroid fungus Fuscoporia ferruginosa on oak bark near Birch Creek Unit of Somerville Lake State Park. Texas, November 24, 2018
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
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
Recently flooded area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2019
Blooming Carolina anemone (Anemone caroliniana) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 14, 2020
Close up of a flower of prickly poppy (Argemone albiflora) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
Birch bridge near Farm Palace in Alexandria Park. Peterhof, a suburb of Saint Petersburg, Russia, September 27, 2016
Orange plasmodium of many-headed slime mold Physarum polycephalum on a birch log in Sosnovka Park. Saint Petersburg, Russia, September 16, 2017
Birches along a ditch in Sosnovka Park in northern Saint Petersburg. Russia, January 29, 2000
Oak forest in Birch Creek Park near Somerville Lake. Texas, September 17, 2011
Flower of Baby blue eyes (Nemophila phacelioides) in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
Dry mud on the bottom of Somerville Lake in Birch Creek Park. Texas, September 17, 2011
Back lit birch forest with blueberry bushes in Sosnovka Park. Saint Petersburg, Russia, May 30, 2009
Bark of river birch (Betula nigra) in Lick Creek Park. College Station, Texas, December 24, 2010
Dead tree trunks in Birch Creek Park near Somerville Lake. Texas, September 17, 2011
A birch alley in Sosnovka Park near crossing of Svetlanovskiy and Tikhoretskiy Prospect. Saint Petersburg, Russia, September 3, 2002
Birches near Listvennaya Alley in northern Sosnovka Park. Saint Petersburg, Russia, September 23, 2013
Black cap birch bolete mushroom (Leccinum variicolor) in Sosnovka Park. Saint Petersburg, Russia, September 6, 2016
Dry trees in Birch Creek Park near Somerville Lake. Texas, September 17, 2011
A fly on spiderwort (Tradescantia) in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
Purple clematis (leatherflower, Clematis pitcheri) with a crab spider near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
Birch trees of Karasiovoe Lake in northern area of Sosnovka Park. Saint Petersburg, Russia, September 24, 2015
Corticioid mushrooms of Ceriporia purpurea group with large pores on a rotten oak near a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, March 14, 2018
Purple corticioid mushrooms of Ceriporia purpurea group with large pores on a rotten oak near a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, March 14, 2018
Birch circle (Krug Belyh Berioz) in far end of Pavlovsk Park, south from Saint Petersburg, Russia, June 23, 2010
Birch House in Gatchina Park, suburb of Saint Petersburg. Russia, May 16, 2011
Brown hawk moth sleeping on a dry coneflower near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2012
Dry bottom of Somerville Lake near Birch Creek Park. Texas, August 21, 2011
Phlox flowers in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
Dark blue berries of upland swamp-privet (Forestiera ligustrina) in Birch Creek Unit of Somerville Lake State Park. Texas, November 11, 2012
Flowers of wild buckwheat (Yerba colorado, Eriogonum) in Birch Creek Unit of Somerville Lake State Park. Texas, November 11, 2012
Berries of upland swamp-privet (Forestiera ligustrina) in Birch Creek Unit of Somerville Lake State Park. Texas, December 22, 2012
Two birches in valley of Slavianka River in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, September 2, 2013
Narrow birch alley in Sosnovka Park. Saint Petersburg, Russia, May 17, 2011
Birch alley in far end of Pavlovsk Park, south from Saint Petersburg, Russia, June 23, 2010
Birch alley in Sosnovka Park in mist. Saint Petersburg, Russia, June 26, 2010
Bracted fanpetals (Sida ciliaris) in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
Turnsole (Heliotropium indicum) at a cattle drinking pond near a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, August 29, 2009
Spiderwort (Tradescantia) in Birch Creek Unit of Lake Somerville State Park, Texas, Texas, April 29, 2012
Purple gerardia (false foxglove, Agalinis purpurea(?)) on roadside in Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2012
Birch grove near Krasnogo Bugra (Solntsa) Alley in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, September 17, 2013
Birch reflections in a pond near Sadovaya Street in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, May 18, 2015
Birches in swampy area in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
Birch trees in eastern part of Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
Birch forest around a pond near Listvennaya Alley in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
Birch trees from Listvennaya Alley in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
Fall colors of birch forest from Listvennaya Alley in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
A tree near the lake at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2019
Dayflower (Commelina) in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
Flower of Venus looking glass (Triodanis perfoliata) in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
Birch trees along Krasnogo Bugra Alley in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, December 31, 2015
Shaggy Portulaca (Rose purslane, Portulaca pilosa) on a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, August 29, 2009
Birch forest in northern area of Sosnovka Park in mist. Saint Petersburg, Russia, June 26, 2010
Buttonbush (Cephalanthus occidentalis) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
Blooming buttonbush (Cephalanthus occidentalis) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
Birch polypore mushroom Piptoporus betulinus (bracket fungus Fomitopsis betulina, Russian name Trutovik) in Sosnovka Park. Saint Petersburg, Russia, August 25, 2016
Birch alley in Sosnovka Park. Saint Petersburg, Russia, October 20, 2016
Birch trees in Sosnovka Park. Saint Petersburg, Russia, October 20, 2016
Birch trees in Sosnovka Park. Saint Petersburg, Russia, December 1, 2016
Jelly rot fungus (Phlebia tremellosa, Merulius tremellosus) on a birch tree in Sosnovka Park. Saint Petersburg, Russia, March 13, 2017
Polypore mushroom Hapalopilus rutilans (Hapalopilus nidulans) on a dry birch in northern part of Sosnovka Park. Saint Petersburg, Russia, April 26, 2017
Birch milkcap mushrooms (Lactarius tabidus) in Sosnovka Park. Saint Petersburg, Russia, June 22, 2017
Red velvety patches on a birch leaf caused by the velvet erineum gall eriophyid mite in Sosnovka Park. Saint Petersburg, Russia, June 29, 2017
Birch milkcap mushrooms (Lactarius tabidus) in Sosnovka Park. Saint Petersburg, Russia, September 16, 2017
Larvae of red-banded fungus beetle (Megalodacne) on a porous tree fungus near a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, March 14, 2018
Malformed yellow flower of aster family because of parasites on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
Resupinate form of Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina) mushrooms on a dry fallen trunk of Eastern Red Cedar (Juniperus virginiana) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
Blue skullcap flowers (Scutellaria) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
Dissected weeping milk cap mushrooms Lactarius volemus var. flavus on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, May 6, 2018
Globular flower of buttonbush (Cephalanthus occidentalis) on a shore of the lake in Birch Creek Unit of Lake Somerville State Park, Texas, July 22, 2018
Close up of violet corticioid (crust) fungus Phlebiopsis crassa (Porostereum crassum) on a fallen mossy oak branch near Birch Creek Unit of Somerville Lake State Park. Texas, November 24, 2018
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
Corticioid fungus Phlebiopsis crassa (Porostereum crassum) on underside of a fallen oak branch 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
Flower head of Drummond wild onion (Allium drummondii) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2019
Scarlet pimpernel (Anagallis arvensis) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 19, 2019
Frequently flooded area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 17, 2019
A narrow birch alley in Sosnovka Park. Saint Petersburg, Russia, April 10, 1999.
Sedges on dry bottom of Somerville Lake near Birch Creek Park. Texas, August 21, 2011
Animal tracks on caked mud of dry bottom of Somerville Lake near Birch Creek Park. Texas, August 21, 2011
Buttonbush (Cephalanthus occidentalis) on a shore of the lake in Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2012
Birch trees in eastern part of Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
Birch stand near Lamsky Pond in Aleksandrovsky (Alexander) Park. Pushkin (former Tsarskoe Selo) near Saint Petersburg, Russia, September 19, 2013
Birch milkcap mushrooms (Lactarius tabidus, Lactarius theiogalus) in swampy area in Sosnovka Park. Saint Petersburg, Russia, September 6, 2016
Snowy path in a birch forest in Sosnovka Park. Saint Petersburg, Russia, November 10, 2016
Texture of corticioid mushrooms of Ceriporia purpurea group on a rotten oak near a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, March 14, 2018
Birch and mountain ash trees in Sosnovka Park. Saint Petersburg, Russia, May 31, 2009
Birch Gates in Gatchina Park. Gatchina, a suburb of Saint Petersburg, Russia, June 20, 2009
Oak galls on a trail in Birch Creek Unit of Somerville Lake State Park. Texas, November 11, 2012
Birches near shooting range in Sosnovka Park. Saint Petersburg, Russia, September 23, 2013
Birches in valley of Slavianka River in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, September 2, 2013
Birches in fog at Krasnogo Bugra (Solntsa) Alley in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, September 17, 2013
Corner of Birch House in Gatchina Park. Gatchina, suburb of Saint Petersburg, Russia, May 17, 2015
A narrow birch alley over a marshy forest in Sosnovka Park. Saint Petersburg, Russia, April 11, 1999.
Birches and pines in snow in Sosnovka Park. Saint Petersburg, Russia, December 19, 2005
Birch alley in central part of Sosnovka Park. Saint Petersburg. Russia, September 9, 2007
Central part of a flower of white prickly poppy in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
Fluffy seeds of angularfruit milkvine (anglepod, Matelea gonocarpos) in Birch Creek Unit of Somerville Lake State Park. Texas, December 22, 2012
Pair of birch bolete mushrooms (Boletus Scaber, Leccinum scabrum) in north-west area of Monrepo (Mon Repos) Park. Vyborg, Russia, September 14, 2013
Birch bolete mushrooms (Leccinum scabrum) in north-west area of Monrepo (Mon Repos) Park. Vyborg, Russia, September 14, 2013
Swamp and birch alley along Tioplaya River in a remote area Zverinets of Gatchina Park. Gatchina, a suburb of Saint Petersburg, Russia, July 5, 2010
Caked mud on dry bottom of Somerville Lake near Birch Creek Park. Texas, August 21, 2011
Caked mud in Somerville Lake in Birch Creek Park at sunrise. Texas, September 17, 2011
Birch trees near Lamsky Pavilion in Aleksandrovsky (Alexander) Park. Pushkin (former Tsarskoe Selo) near Saint Petersburg, Russia, September 19, 2013
Smartweed (Polygonum) at a cattle drinking pond near a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, August 29, 2009
Dying vegetation on shores of Somerville Lake near Birch Creek Park. Texas, August 21, 2011
A sheel in dried mud of Somerville Lake in Birch Creek Park. Texas, September 17, 2011
Katydid on white prickly poppy in Birch Creek Unit of Lake Somerville State Park, Texas, April 29, 2012
Close up of salt-marsh fleabane (Pluchea odorata, Pluchea purpurescens) on a shore of Lake Somerville in Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2012
Road in a birch forest in Sosnovka Park. Saint Petersburg, Russia, May 17, 2011
A trail in Birch Creek Unit of Somerville Lake State Park, July 14, 2013
Birches on Krasnodolinnaya(?) Alley in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, September 2, 2013
Birch forest near Bublik Lake in Sosnovka Park. Saint Petersburg, Russia, September 23, 2013
Flower of prickly poppy (Argemone albiflora) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
Turk s cap (Malvaviscus drummondii) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
Red firewheel flower (Gaillardia amblyodon) near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2014
Birch trees in Sosnovka Park. Saint Petersburg, Russia, September 28, 2015
Birches around Karasiovoe Lake near Listvennaya Alley in Sosnovka Park. Saint Petersburg, Russia, September 29, 2015
Birch bridge of Farm Palace in Alexandria Park in Peterhof, west from Saint Petersburg. Russia, August 26, 2016
Birch alley in Yuntolovsky Park during snowfall. Saint Petersburg, Russia, February 23, 2017
Close up of pores of Brunneoporus juniperinus (Antrodia juniperina, Subantrodia juniperina) mushrooms on a dry fallen trunk of Eastern Red Cedar (Juniperus virginiana) on north shore of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, April 15, 2018
Leiotrametes lactinea (Trametes lactinea) bracket mushrooms on a fallen river birch in Lick Creek Park. College Station, Texas, October 26, 2018
Yellowdrop milkcap mushrooms (Lactarius chrysorrheus(?)) under cedar trees near Birch Creek Unit of Somerville Lake State Park. Texas, November 24, 2018
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
Close up of corticioid fungus Phlebiopsis crassa (Porostereum crassum) on underside of a fallen oak branch at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
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
Rosette 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
Firedot lichen Squamulea squamosa (Caloplaca squamosa) on sandstone at the road descent at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
Drying algae in a recently flooded area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2019
Previously flooded area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 17, 2019
Dead oak forest at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 17, 2019
