 Beard lichen (Usnea) fallen from a tree when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, November 12, 2024
 Fruticose lichen Evernia prunastri fallen from a tree near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Beard lichen (Usnea) fallen from a tree in Lick Creek Park. College Station, Texas, January 23, 2020
 Beard lichen (Usnea) fallen from a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 Beard lichen (Usnea) on an elm tree on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
 Beard lichen (Usnea) fallen from a tree on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, June 13, 2021
 Strands of beard lichen (Usnea) fallen from a tree on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, June 13, 2021
 Beard lichen (Usnea) fallen from a tree in area of Caney Creek crossing on Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, February 9, 2020
 Red beard lichen (Usnea rubicunda) fallen from a tree after a recent windy day on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, January 12, 2020
 Asci and spores of fallen from a tree bushy beard lichen (Usnea strigosa), collected on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, July 23, 2022
 Hair-like cluster of red beard lichen (Usnea rubicunda) fallen from a tree after a recent windy day on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, January 12, 2020
 Tissues (in KOH solution) of fallen from a tree bushy beard lichen (Usnea strigosa), collected on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, July 23, 2022
 Tissues (in iodine solution) of fallen from a tree bushy beard lichen (Usnea strigosa), collected on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, July 23, 2022
 Tissues (in Congo Red solution) of fallen from a tree bushy beard lichen (Usnea strigosa), collected on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, July 23, 2022
 Hooded tube lichen (Hypogymnia physodes) on a fallen pine twig near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Beard lichen (Usnea) fallen from an oak on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, October 10, 2020
 Bushy beard lichen (Usnea strigosa) fallen from an oak in Lick Creek Park. College Station, Texas, January 23, 2020
 Bushy beard lichen (Usnea strigosa) fallen from an oak in Lick Creek Park. College Station, Texas, June 18, 2019
 Bushy beard lichen (Usnea strigosa) on a fallen oak twig in Lick Creek Park. College Station, Texas, January 22, 2019
 Bushy beard lichen (Usnea strigosa) on a fallen oak twig in Lick Creek Park. College Station, Texas, February 3, 2019
 Bony beard lichen (Usnea trichodea) knocked down from a tree after a windy day in Lick Creek Park. College Station, Texas, January 13, 2020
 Beard lichen (Usnea) on small elm trees on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 14, 2024
 Beard lichen (Usnea) on a fallen oak twig on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, December 27, 2019
 Beard lichen (Usnea) on a fallen oak twig on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, October 30, 2021
 Bushy beard lichen (Usnea strigosa) fallen from an oak on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, November 16, 2019
 Beard lichen Usnea rubicunda(?) fallen from an oak or a pine on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, November 16, 2019
 Pendant clump of bony beard lichen (Usnea trichodea) knocked down from a tree after a windy day in Lick Creek Park. College Station, Texas, January 13, 2020
 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
 Knocked down bushy beard lichen (Usnea strigosa) on oak twigs on Racoon Run Trail in Lick Creek Park. College Station, Texas, August 19, 2022
 Reindeer lichen Cladonia rangiferina near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Lichen Iceland moss (Cetraria islandica) near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Green moss and reindeer lichen under pines near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Reindeer lichen (Cladonia rangiferina) under pines near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Maritime sunburst lichen (Xanthoria parietina) on a fallen aspen tree between Orekhovo and Lembolovo, north from Saint Petersburg. Russia, September 28, 2016
 Reindeer lichen Cladonia rangiferina (Yagel in Russian) near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Star-tipped reindeer lichen (Cladonia stellaris) near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Close-up of star-tipped reindeer lichen (Cladonia stellaris) near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Green powdery lichen with apothecia Baeomyces rufus(?) on the ground near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 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
 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
 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
 Bony beard lichen (Usnea trichodea) on an elm tree in frequently flooded area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
 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
 Bushy beard lichen (Usnea strigosa) with apothecia 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
 Dog lichen (Peltigera membranacea) on a tree in Kuzmolovo, north from Saint Petersburg. Russia, August 9, 2024
 Bushy beard lichen (Usnea strigosa) on a downed limb in Lick Creek Park. College Station, Texas, December 26, 2013
 Close up of bushy beard lichen (Usnea strigosa) on a downed limb in Lick Creek Park. College Station, Texas, December 26, 2013
 Bony beard lichen (Usnea trichodea) together with similarly looking Spanish moss (plant) Tillandsia usnoides in Lick Creek Park. College Station, Texas, December 18, 2018
 Powdered sunshine lichen (Vulpicida pinastri) and tree fringewort (Ptilidium pulcherrimum) on a log in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 Resupinate polypore mushroom on a mossy fallen tree in Kuzmolovo, north from Saint Petersburg. Russia, August 9, 2024
 Small oysterling mushrooms Hohenbuehelia on a fallen rowan(?) tree in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 Beard lichen (Usnea) or may be Ramalina on an iron foot bridge across the bayou in area of Winters Bayou in Sam Houston National Forest, east from Waverly. Texas, February 23, 2019
 Bumpy rim lichen Lecanora hybocarpa(?) together with golden lichen Xanthoria parietina on a fallen aspen tree near Dibuny, north-west from Saint Petersburg, Russia, May 5, 2021
 Small yellowish oysterling mushrooms Hohenbuehelia on underside of a wet fallen rowan(?) tree in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 Small white oysterling mushrooms Hohenbuehelia on underside of a wet fallen rowan(?) tree in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 Powdered sunshine lichen (Vulpicida pinastri) and another crustose lichen on a conifer log in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 Small white oysterling mushrooms Hohenbuehelia with mold on underside of a wet fallen rowan(?) tree in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 Small slimy white oysterling mushrooms Hohenbuehelia on underside of a wet fallen rowan(?) tree in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 Cladonia lichen and tree fringewort (Ptilidium pulcherrimum) on a tree stump in Zakhodskoe, 50 miles north from Saint Petersburg. Russia, July 22, 2024
 False turkey tail mushrooms (crust fungus, Stereum hirsutum)(?) on a small fallen tree in Petiayarvi, north from Saint Petersburg. Russia, August 3, 2024
 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
 Fan clubmoss (Diphasiastrum digitatum) near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 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
 Bushy beard lichen (Usnea strigosa) on a bush in half-open area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
 Lake Likolampi (Verkholino, or Figurnoe) near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Chanterelle mushrooms (Cantharellus cibarius) near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Sphagnum moss with red spore capsules near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 The gypsy mushrooms (Cortinarius caperatus) near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Trunk slice of a rotten pine tree near Orekhovo, north from Saint Petersburg. Russia, August 13, 2016
 Bushy beard lichen (Usnea strigosa) on a twig of upland swamp-privet bush at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
 Cup fungus Pulvinula convexella, dog lichen Peltigera didactyla and moss on carbonized wood in Orekhovo, 40 miles north from Saint Petersburg. Russia, August 18, 2017
 Bushy beard lichen (Usnea strigosa) 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
 Mushroom Arrhenia sphagnicola in sphagnum moss near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Blue tooth mushroom (Hydnellum caeruleum) near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Erosion of sandy soil under pine trees near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Glittering wood-moss (Hylocomium splendens) near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Cowberry (lingonberry, Vaccinium vitis-idaea) near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Velvet rollrim mushrooms (Tapinella atrotomentosa) near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Winecork brittlegill mushrooms (Russula adusta) near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Lecanora(?) lichen on a fallen aspen tree near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
 Buellia lichen on a fallen aspen tree near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
 Ochrolechia(?) lichen on a fallen aspen tree near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
 Some foliose lichen on a fallen aspen tree near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
 Bushy beard lichen (Usnea strigosa) with apothecia 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
 Small pinkgill mushroom (Entoloma) in sphagnum moss near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Small Mycena mushroom and Mycetinis scorodonius under pines near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Top view of a blackening brittlegill mushroom (Russula nigricans) near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Erosion of sandy soil on a road in a pine forest near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 The gypsy mushrooms (Cortinarius caperatus) with cross section near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Bog bell mushrooms (Galerina paludosa) on sphagnum moss near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Underside of a blackening brittlegill mushroom (Russula nigricans) near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Small mealy tooth mushroom (Hydnellum ferrugineum) near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Brown Lecanora(?) lichen on a fallen aspen tree near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
 Orange Lecanora(?) lichen on a fallen aspen tree near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
 Lecanora or may be Physcia lichen on a fallen aspen tree near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
 Sundew (Drosera rotundifolia, Russian name Rosianka) on sphagnum moss near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Cross section of a blackening brittlegill mushroom (Russula nigricans) near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Webcap mushrooms (Cortinarius) on mossy ground under pine trees near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
 Side view of a blue tooth mushroom (Hydnellum caeruleum) near Orekhovo, north from Saint Petersburg. Russia, August 1, 2024
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