 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
 Bony beard lichen (Usnea trichodea) together with similarly looking Spanish moss (plant) Tillandsia usnoides in Lick Creek Park. College Station, Texas, December 18, 2018
 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
 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
 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
 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
 Beard lichen (Usnea) fallen from a tree in Lick Creek Park. College Station, Texas, January 23, 2020
 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
 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
 Knocked down bushy beard lichen (Usnea strigosa) on oak twigs on Racoon Run Trail in Lick Creek Park. College Station, Texas, August 19, 2022
 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
 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
 Bushy beard lichen (Usnea strigosa) fallen from an oak in Lick Creek Park. College Station, Texas, January 23, 2020
 Fruticose lichens knocked down from an oak after a windy day in Lick Creek Park. College Station, Texas, January 13, 2020
 Various fruticose lichens knocked down from an oak after a windy day in Lick Creek Park. College Station, Texas, January 13, 2020
 Bushy beard lichen (Usnea strigosa) on a fallen oak twig in Lick Creek Park. College Station, Texas, January 22, 2019
 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
 Beard lichen (Usnea) fallen from a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 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 downed limb in Lick Creek Park. College Station, Texas, December 26, 2013
 Bushy beard lichen (Usnea strigosa) on a fallen oak twig in Lick Creek Park. College Station, Texas, February 3, 2019
 Close up of bushy beard lichen (Usnea strigosa) on a downed limb in Lick Creek Park. College Station, Texas, December 26, 2013
 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
 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
 Beard lichen (Usnea) on an elm tree on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
 Perforated ruffle lichen (Parmotrema perforatum) and Usnea on a twig fallen from an oak in Lick Creek Park. College Station, Texas, January 13, 2020
 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
 Beard lichen (Usnea) fallen from a tree 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
 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
 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
 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
 Beard lichen (Usnea) on small elm trees on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 14, 2024
 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
 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
 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
 Usnea lichen fallen from an oak in Lick Creek Park. College Station, Texas, December 24, 2018
 Close up of Usnea lichen fallen from an oak in Lick Creek Park. College Station, Texas, December 24, 2018
 Striped ramalina lichen (Ramalina montagnei) on a tree in Lick Creek Park. College Station, Texas, January 13, 2020
 Perforated ruffle lichen (Parmotrema perforatum) on a fallen oak branch after windy weather in Lick Creek Park. College Station, Texas, June 17, 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, 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) 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
 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
 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
 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
 Ruffle lichen (Parmotrema) on a tree in Lick Creek Park. College Station, Texas, January 18, 2019
 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
 Powdery medallion lichen (Dirinaria applanata) on a tree in Lick Creek Park. College Station, Texas, January 18, 2019
 Powdery medallion lichen (Dirinaria applanata)(?) on a tree in Lick Creek Park. College Station, Texas, January 18, 2019
 Mealy rim-lichen (Lecanora strobilina) on a dry oak in Lick Creek Park. College Station, Texas, January 23, 2020
 Powdery medallion lichen (Dirinaria applanata) on a small hackberry tree in Lick Creek Park. College Station, Texas, January 9, 2019
 Drying leaves of trees knocked to the ground in Lick Creek Park. College Station, Texas, August 7, 2022
 Perforated ruffle lichen (Parmotrema perforatum) on a twig fallen from an oak in Lick Creek Park. College Station, Texas, January 13, 2020
 Cracked ruffle lichen (Parmotrema reticulatum) on Yaupon holly in Lick Creek Park. College Station, Texas, January 13, 2020
 Drying twigs and leaves of trees knocked to the ground in Lick Creek Park. College Station, Texas, August 7, 2022
 Gold dust lichen Chrysothrix xanthina and some green lichen on tree bark on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
 Speckled blister lichen Trypethelium tropicum (Nigrovothelium tropicum) on bark of hackberry tree in Lick Creek Park. College Station, Texas, January 1, 2019
 Striped ramalina lichen (Ramalina montagnei) on a thorn of black locust in Lick Creek Park. College Station, Texas, January 13, 2020
 Speckled blister lichen Trypethelium tropicum (Nigrovothelium tropicum) with black perithecia on bark of hackberry tree in Lick Creek Park. College Station, Texas, January 1, 2019
 Brown resupinate polypore mushroom Fomitiporia(?) on a fallen tree in Lick Creek Park. College Station, Texas, January 23, 2020
 Ochre bracket mushrooms (Trametes ochracea) on a fallen tree branch in Lick Creek Park. College Station, Texas, January 13, 2020
 Tuft of striped ramalina lichen (Ramalina montagnei) growing on thorns of black locust in Lick Creek Park. College Station, Texas, January 13, 2020
 Violet crust fungus Phlebiopsis crassa (Porostereum crassum) on a tree branch in Lick Creek Park. College Station, Texas, January 20, 2020
 Bark sulphur-firedot lichen (Gyalolechia flavorubescens, Caloplaca flavorubescens) on bark of hackberry tree in Lick Creek Park. College Station, Texas, January 1, 2019
 Texture of bark sulphur-firedot lichen (Gyalolechia flavorubescens, Caloplaca flavorubescens) on bark of hackberry tree in Lick Creek Park. College Station, Texas, January 1, 2019
 Pattern of bark sulphur-firedot lichen (Gyalolechia flavorubescens, Caloplaca flavorubescens) on bark of hackberry tree in Lick Creek Park. College Station, Texas, January 1, 2019
 Orange apothecia of bark sulphur-firedot lichen (Gyalolechia flavorubescens, Caloplaca flavorubescens) on bark of hackberry tree in Lick Creek Park. College Station, Texas, January 1, 2019
 Pyxine lichen on a tree in Lick Creek Park. College Station, Texas, February 3, 2019
 Lichen growing on a tree branch in Lick Creek Park. College Station, Texas, December 28, 2008
 Warty lichen (Pertusaria) on a tree in Lick Creek Park. College Station, Texas, February 3, 2019
 Rosette lichen (Physcia) on a tree in Lick Creek Park. College Station, Texas, February 20, 2019
 Physcia lichen with brown apothecia on a tree in Lick Creek Park. College Station, Texas, February 3, 2019
 Mealy rim-lichen (Lecanora strobilina) on a tree in Lick Creek Park. College Station, Texas, February 3, 2019
 Frosted rim-lichen (Lecanora caesiorubella) on a tree in Lick Creek Park. College Station, Texas, February 3, 2019
 Amber jelly roll fungus Tremella recisa (Exidia recisa) on a fallen tree limb in Lick Creek Park. College Station, Texas, January 3, 2020
 Woods ear mushrooms (Auricularia angiospermarum, Auricularia auricula-judae complex) with some brown crust fungus on a dry tree in Lick Creek Park. College Station, Texas, January 7, 2020
 Old perforated ruffle lichen (Parmotrema perforatum)(?) on a tree in Lick Creek Park. College Station, Texas, March 24, 2021
 White fringe lichen (Heterodermia albicans) on a tree in Lick Creek Park. College Station, Texas, February 20, 2019
 White fringe lichen (Heterodermia albicans) on a tree in Lick Creek Park. College Station, Texas, February 3, 2019
 Oak bark with white lichen in Lick Creek Park. College Station, Texas, December 11, 2020
 Script lichen (Graphis) on an oak in Lick Creek Park. College Station, Texas, January 18, 2019
 Button lichen (Buellia) in Lick Creek Park. College Station, Texas, January 18, 2019
 Warty lichen (Pertusaria) in Lick Creek Park. College Station, Texas, January 18, 2019
 Rough speckled shield lichen (Punctelia rudecta) on a tree in Lick Creek Park. College Station, Texas, February 3, 2019
 Rough speckled shield lichen (Punctelia rudecta) on a tree in Lick Creek Park. College Station, Texas, February 3, 2019
 Rough speckled shield lichen (Punctelia rudecta) on a tree in Lick Creek Park. College Station, Texas, February 20, 2019
 Graphis lichen with orange alga on an oak in Lick Creek Park. College Station, Texas, January 18, 2019
 Saucer lichen Ochrolechia pallescens on oak in Lick Creek Park. College Station, Texas, January 18, 2019
 Pale brown Lecanora lichen on an oak in Lick Creek Park. College Station, Texas, January 18, 2019
 Speckled shield lichen (Punctelia) in Lick Creek Park. College Station, Texas, January 18, 2019
 Speckled shield lichen (Punctelia) in Lick Creek Park. College Station, Texas, January 18, 2019
 Frosted rim-lichen (Lecanora caesiorubella) on an oak in Lick Creek Park. College Station, Texas, January 18, 2019
 Saucer lichen Ochrolechia pallescens in Lick Creek Park. College Station, Texas, January 18, 2019
 Medallion lichen (Dirinaria confusa) on bark of a Mexican plum tree in Lick Creek Park. College Station, Texas, March 24, 2021
 Slender orange bush lichen (Teloschistes exilis) on a twig of elm tree in Lick Creek Park. College Station, Texas, March 15, 2019
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