 Tuft of striped ramalina lichen (Ramalina montagnei) growing on thorns of black locust in Lick Creek Park. College Station, Texas, January 13, 2020
 Striped ramalina lichen (Ramalina montagnei) on a tree in Lick Creek Park. College Station, Texas, January 13, 2020
 Striped ramalina lichen (Ramalina montagnei) on a thorn of black locust in Lick Creek Park. College Station, Texas, January 13, 2020
 Striped ramalina lichen (Ramalina montagnei) on a small elm tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 8, 2019
 Slender orange bush lichen (Teloschistes exilis) and striped ramalina lichen (Ramalina montagnei) on a small elm tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 8, 2019
 Striped ramalina lichen (Ramalina montagnei) on a living tree in a forest in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 Octopus-like palmetto lichen (Ramalina celastri) and other species of Ramalina on a fallen oak branch in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Ramalina(?) lichen on a fallen twig of oak in Lick Creek Park. College Station, Texas, June 17, 2019
 Octopus-like palmetto lichen (Ramalina celastri) in Lick Creek Park. College Station, Texas, June 18, 2019
 Ramalina lichen on iron railing of a bridge in Lick Creek Park. College Station, Texas, February 27, 2024
 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
 Tuft of thorny Ramallina lichen (Ramalina willeyi) together with Parmotrema on a fallen oak twig at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 24, 2021
 Fruiticose lichen Ramalina sorediosa(?) on a tree on Alligator Branch section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville. Texas, February 17, 2019
 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
 Ramalina dasypoga lichen on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 Ramalina dasypoga(?) lichen on a tree in a forest in area of Winters Bayou in Sam Houston National Forest, east from Waverly. Texas, February 23, 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
 Crustose lichens and Ramalina on an iron bridge when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight in Lick Creek Park. College Station, Texas, August 27, 2024
 A tree limb with slender orange bush (Teloschistes exilis) and Ramalina lichens on Raccoon Run Trail in Lick Creek Park. College Station, Texas, December 26, 2013
 Ramalina peruviana(?) lichen on a tree in a forest on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville. Texas, January 26, 2019
 Octopus-like palmetto lichen (Ramalina celastri) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 8, 2019
 Octopus-like palmetto lichen (Ramalina celastri) in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 5, 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
 Octopus-like palmetto lichen (Ramalina celastri) on a small oak in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 8, 2019
 Greenish fruiticose lichen Ramalina celastri looking like antlers on a twig picked under an oak on campus of Texas A and M University after a tropical storm "Ike". College Station, Texas, September 13, 2008
 Sunken bloodspot lichen (Haematomma persoonii) on an oak branch in Lick Creek Park. College Station, Texas, February 3, 2019
 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
 Ramalina(?) lichen on a tree near Chornaya River near Dibuny, north-west from Saint Petersburg, Russia, May 5, 2021
 Southern strap (cartilage) lichen (Ramalina stenospora) on a tree in Antique Rose Emporium. Independence, Texas, May 16, 2020
 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
 Powdered ruffle lichen (Parmotrema hypotropum) and cartilage lichen (Ramalina celastri) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Washington-on-the-Brazos State Historic Site. Washington, Texas, August 29, 2024
 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
 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
 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
 Cartilage lichen (Ramalina stenospora) 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
 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
 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
 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
 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
 Medallion lichen (Dirinaria confusa) on a fallen oak branch in Lick Creek Park. College Station, Texas, June 17, 2019
 Foliose lichens Ramalina celastri and Teloschistes exilis at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019
 Tuft of golden eye lichen (Teloschistes chrysophthalmus) on a huisache(?) tree in abandoned TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, February 22, 2019
 Perforated ruffle lichen (Parmotrema perforatum) on a fallen oak branch after windy weather in Lick Creek Park. College Station, Texas, June 17, 2019
 Southern strap lichen (Ramalina stenospora) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Washington-on-the-Brazos State Historic Site. Washington, Texas, August 29, 2024
 Cartilage lichen (Ramalina celastri) on a twig when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Washington-on-the-Brazos State Historic Site. Washington, Texas, August 29, 2024
 Phaeographis lichen on an oak in Lick Creek Park. College Station, Texas, February 3, 2019
 Powdered ruffle lichen (Parmotrema hypotropum) and Ramalina when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Washington-on-the-Brazos State Historic Site. Washington, Texas, August 29, 2024
 Southern strap lichen (Ramalina stenospora) on a twig of elm when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Washington-on-the-Brazos State Historic Site. Washington, Texas, August 29, 2024
 Lecanora lichen on an oak twig in Lick Creek Park. College Station, Texas, February 3, 2019
 Pyxine lichen on a tree in Lick Creek Park. College Station, Texas, February 3, 2019
 Mealy rim-lichen (Lecanora strobilina) on an oak 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
 Pale brown Lecanora lichen on an oak in Lick Creek Park. College Station, Texas, February 20, 2019
 Warty lichen (Pertusaria) on a tree in Lick Creek Park. College Station, Texas, February 3, 2019
 Fringe lichen Heterodermia with brown apothecis in Lick Creek Park. College Station, Texas, February 3, 2019
 Sunken bloodspot lichen (Haematomma persoonii) on an oak 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
 Bark rash lichen (Pyrenula cruenta) in Lick Creek Park. College Station, Texas, February 20, 2019
 Frosted rim-lichen (Lecanora caesiorubella), to the left, 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
 Close up of Physcia lichen with brown apothecia in Lick Creek Park. College Station, Texas, February 3, 2019
 Saucer lichen Ochrolechia pallescens on an oak twig in Lick Creek Park. College Station, Texas, February 3, 2019
 Wrinkled loop lichen (Hypotrachyna livida) on an oak(?) 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
 Perforated ruffle lichen (Parmotrema perforatum) on an oak twig in Lick Creek Park. College Station, Texas, February 3, 2019
 Southern crimson dot lichen (Ramboldia russula) on a twig in Lick Creek Park. College Station, Texas, February 20, 2019
 Red patch of sunken bloodspot lichen (Haematomma persoonii) on an oak in Lick Creek Park. College Station, Texas, February 3, 2019
 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
 Sunken bloodspot lichen (Haematomma persoonii) on an oak twig in Lick Creek Park. College Station, Texas, February 3, 2019
 Physcia lichen with brown apothecia on yaupon holly or may be on oak in Lick Creek Park. College Station, Texas, February 3, 2019
 Perforated ruffle lichen (Parmotrema perforatum) on a fallen oak twig 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
 Perforated ruffle lichen (Parmotrema perforatum) on a thin oak twig in Lick Creek Park. College Station, Texas, February 3, 2019
 Powdered ruffle lichen (Parmotrema hypotropum) on a fallen oak twig 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
 Flowering fringe lichen (Heterodermia echinata) on a fallen oak twig 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
 Bushy beard lichen (Usnea strigosa) on a fallen oak twig in Lick Creek Park. College Station, Texas, February 3, 2019
 Rough speckled shield lichen (Punctelia rudecta) on tree bark in Lick Creek Park. College Station, Texas, February 3, 2019
 Rough speckled shield lichen (Punctelia rudecta) on yaupon holly or may be on oak in Lick Creek Park. College Station, Texas, February 3, 2019
 White fringe lichen (Heterodermia albicans) with brown apothecia on a yaupon(?) tree in Lick Creek Park. College Station, Texas, February 20, 2019
 Speckled blister lichen Trypethelium tropicum (Nigrovothelium tropicum) on a tree in Lick Creek Park. College Station, Texas, February 20, 2019
 Foliose lichens Ramalina celastri and Teloschistes exilis on a twig of elm 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, August 28, 2024
 Lichen growing on a tree branch in Lick Creek Park. College Station, Texas, December 28, 2008
 Orange apothecia of bark sulphur-firedot lichen (Gyalolechia flavorubescens, Caloplaca flavorubescens) in Lick Creek Park. College Station, Texas, February 3, 2019
 Bark sulphur-firedot lichen (Gyalolechia flavorubescens, Caloplaca flavorubescens) on a hackberry tree in Lick Creek Park. College Station, Texas, February 3, 2019
 Texture of bark sulphur-firedot lichen (Gyalolechia flavorubescens, Caloplaca flavorubescens) on a hackberry tree in Lick Creek Park. College Station, Texas, February 3, 2019
 Close up of bark sulphur-firedot lichen (Gyalolechia flavorubescens, Caloplaca flavorubescens) on a hackberry tree in Lick Creek Park. College Station, Texas, February 3, 2019
 Shrubby body of Golden eye lichen (Teloschistes chrysophthalmus) on a tree branch in Lick Creek Park. College Station, Texas, December 28, 2008
 Red and black striped caterpillar on soft golden aster (Bradburia pilosa) in Lick Creek Park. College Station, Texas, October 17, 2010
 Golden eye lichen (Teloschistes chrysophthalmus) with other lichens on a branch of huisache(?) tree in abandoned TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, February 22, 2019
 Cyanobacteria Nostoc forming a blistered jelly lichen (Collema, Enchylium conglomeratum) on an oak branch in Lick Creek Park. College Station, Texas, October 3, 2018
 Lecanora lichen on a small oak in Lick Creek Park. College Station, Texas, June 17, 2019
 Warty lichen (Pertusaria) in Lick Creek Park. College Station, Texas, January 18, 2019
 Lecanora lichen in wet condition in Lick Creek Park. College Station, Texas, June 17, 2019
 Button lichen (Buellia) in Lick Creek Park. College Station, Texas, January 18, 2019
 Script lichen (Graphis) on an oak in Lick Creek Park. College Station, Texas, January 18, 2019
 Various lichens on bark of a fallen oak branch in Lick Creek Park. College Station, Texas, June 17, 2019
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