![](../../pictures/archives/compress/2020/2628/jpeg/03t.jpg) Tuft of striped ramalina lichen (Ramalina montagnei) growing on thorns of black locust in Lick Creek Park. College Station, Texas, January 13, 2020
![](../../pictures/archives/compress/2020/2628/jpeg/05t.jpg) Striped ramalina lichen (Ramalina montagnei) on a tree in Lick Creek Park. College Station, Texas, January 13, 2020
![](../../pictures/archives/compress/2020/2628/jpeg/04t.jpg) Striped ramalina lichen (Ramalina montagnei) on a thorn of black locust in Lick Creek Park. College Station, Texas, January 13, 2020
![](../../pictures/archives/compress/2019/2610/jpeg/15t.jpg) Striped ramalina lichen (Ramalina montagnei) on a small elm tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 8, 2019
![](../../pictures/archives/compress/2019/2610/jpeg/23t.jpg) 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
![](../../pictures/archives/compress/2020/2633/jpeg/01t.jpg) 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
![](../../pictures/archives/compress/2019/2433/jpeg/31t.jpg) 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
![](../../pictures/archives/compress/2019/2530/jpeg/32t.jpg) Ramalina(?) lichen on a fallen twig of oak in Lick Creek Park. College Station, Texas, June 17, 2019
![](../../pictures/archives/compress/2019/2531/jpeg/12t.jpg) Octopus-like palmetto lichen (Ramalina celastri) in Lick Creek Park. College Station, Texas, June 18, 2019
![](../../pictures/archives/compress/2024/3479/jpeg/02t.jpg) Ramalina lichen on iron railing of a bridge in Lick Creek Park. College Station, Texas, February 27, 2024
![](../../pictures/archives/compress/2019/2615/jpeg/09t.jpg) 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
![](../../pictures/archives/compress/2021/2871/jpeg/33t.jpg) 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
![](../../pictures/archives/compress/2019/2449/jpeg/23t.jpg) 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
![](../../pictures/archives/compress/2019/2434/jpeg/15t.jpg) 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
![](../../pictures/archives/compress/2019/2442/jpeg/17t.jpg) Ramalina dasypoga lichen on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
![](../../pictures/archives/compress/2019/2452/jpeg/09t.jpg) 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
![](../../pictures/archives/compress/2019/2452/jpeg/11t.jpg) 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
![](../../pictures/archives/compress/2013/1318/jpeg/09t.jpg) 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
![](../../pictures/archives/compress/2024/3609/jpeg/03t.jpg) 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
![](../../pictures/archives/compress/2019/2437/jpeg/08t.jpg) 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
![](../../pictures/archives/compress/2019/2610/jpeg/13t.jpg) Octopus-like palmetto lichen (Ramalina celastri) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 8, 2019
![](../../pictures/archives/compress/2019/2572/jpeg/11t.jpg) Octopus-like palmetto lichen (Ramalina celastri) in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 5, 2019
![](../../pictures/archives/compress/2019/2434/jpeg/16t.jpg) 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
![](../../pictures/archives/compress/2019/2610/jpeg/28t.jpg) Octopus-like palmetto lichen (Ramalina celastri) on a small oak in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 8, 2019
![](../../pictures/archives/compress/2008/670/jpeg/01t.jpg) 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
![](../../pictures/archives/compress/2019/2445/jpeg/01t.jpg) Sunken bloodspot lichen (Haematomma persoonii) on an oak branch in Lick Creek Park. College Station, Texas, February 3, 2019
![](../../pictures/archives/compress/2024/3613/jpeg/06t.jpg) 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
![](../../pictures/archives/compress/2021/2923/jpeg/33t.jpg) Ramalina(?) lichen on a tree near Chornaya River near Dibuny, north-west from Saint Petersburg, Russia, May 5, 2021
![](../../pictures/archives/compress/2020/2708/jpeg/23t.jpg) Southern strap (cartilage) lichen (Ramalina stenospora) on a tree in Antique Rose Emporium. Independence, Texas, May 16, 2020
![](../../pictures/archives/compress/2021/3084/jpeg/17t.jpg) 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
![](../../pictures/archives/compress/2024/3611/jpeg/09t.jpg) 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
![](../../pictures/archives/compress/2020/2638/jpeg/15t.jpg) 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
![](../../pictures/archives/compress/2020/2638/jpeg/19t.jpg) 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
![](../../pictures/archives/compress/2021/3084/jpeg/13t.jpg) 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
![](../../pictures/archives/compress/2020/2638/jpeg/05t.jpg) 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
![](../../pictures/archives/compress/2020/2638/jpeg/03t.jpg) 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
![](../../pictures/archives/compress/2020/2638/jpeg/13t.jpg) 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
![](../../pictures/archives/compress/2020/2638/jpeg/11t.jpg) 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
![](../../pictures/archives/compress/2020/2638/jpeg/01t.jpg) 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
![](../../pictures/archives/compress/2019/2530/jpeg/30t.jpg) Medallion lichen (Dirinaria confusa) on a fallen oak branch in Lick Creek Park. College Station, Texas, June 17, 2019
![](../../pictures/archives/compress/2019/2615/jpeg/13t.jpg) Foliose lichens Ramalina celastri and Teloschistes exilis at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019
![](../../pictures/archives/compress/2019/2450/jpeg/25t.jpg) 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
![](../../pictures/archives/compress/2019/2530/jpeg/28t.jpg) Perforated ruffle lichen (Parmotrema perforatum) on a fallen oak branch after windy weather in Lick Creek Park. College Station, Texas, June 17, 2019
![](../../pictures/archives/compress/2024/3611/jpeg/03t.jpg) 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
![](../../pictures/archives/compress/2024/3611/jpeg/06t.jpg) 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
![](../../pictures/archives/compress/2019/2445/jpeg/04t.jpg) Phaeographis lichen on an oak in Lick Creek Park. College Station, Texas, February 3, 2019
![](../../pictures/archives/compress/2024/3611/jpeg/12t.jpg) 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
![](../../pictures/archives/compress/2024/3611/jpeg/08t.jpg) 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
![](../../pictures/archives/compress/2019/2445/jpeg/05t.jpg) Lecanora lichen on an oak twig in Lick Creek Park. College Station, Texas, February 3, 2019
![](../../pictures/archives/compress/2019/2445/jpeg/21t.jpg) Pyxine lichen on a tree in Lick Creek Park. College Station, Texas, February 3, 2019
![](../../pictures/archives/compress/2019/2450/jpeg/12t.jpg) Pale brown Lecanora lichen on an oak in Lick Creek Park. College Station, Texas, February 20, 2019
![](../../pictures/archives/compress/2019/2445/jpeg/27t.jpg) Warty lichen (Pertusaria) on a tree in Lick Creek Park. College Station, Texas, February 3, 2019
![](../../pictures/archives/compress/2019/2445/jpeg/20t.jpg) Mealy rim-lichen (Lecanora strobilina) on an oak in Lick Creek Park. College Station, Texas, February 3, 2019
![](../../pictures/archives/compress/2019/2450/jpeg/18t.jpg) Rosette lichen (Physcia) on a tree in Lick Creek Park. College Station, Texas, February 20, 2019
![](../../pictures/archives/compress/2019/2445/jpeg/02t.jpg) Sunken bloodspot lichen (Haematomma persoonii) on an oak in Lick Creek Park. College Station, Texas, February 3, 2019
![](../../pictures/archives/compress/2019/2445/jpeg/14t.jpg) Fringe lichen Heterodermia with brown apothecis in Lick Creek Park. College Station, Texas, February 3, 2019
![](../../pictures/archives/compress/2019/2445/jpeg/25t.jpg) Close up of Physcia lichen with brown apothecia in Lick Creek Park. College Station, Texas, February 3, 2019
![](../../pictures/archives/compress/2019/2445/jpeg/26t.jpg) Physcia lichen with brown apothecia on a tree in Lick Creek Park. College Station, Texas, February 3, 2019
![](../../pictures/archives/compress/2019/2445/jpeg/29t.jpg) Mealy rim-lichen (Lecanora strobilina) on a tree in Lick Creek Park. College Station, Texas, February 3, 2019
![](../../pictures/archives/compress/2019/2445/jpeg/17t.jpg) Saucer lichen Ochrolechia pallescens on an oak twig in Lick Creek Park. College Station, Texas, February 3, 2019
![](../../pictures/archives/compress/2019/2445/jpeg/08t.jpg) Frosted rim-lichen (Lecanora caesiorubella), to the left, in Lick Creek Park. College Station, Texas, February 3, 2019
![](../../pictures/archives/compress/2019/2450/jpeg/08t.jpg) Wrinkled loop lichen (Hypotrachyna livida) on an oak(?) in Lick Creek Park. College Station, Texas, February 20, 2019
![](../../pictures/archives/compress/2019/2445/jpeg/11t.jpg) Frosted rim-lichen (Lecanora caesiorubella) on a tree in Lick Creek Park. College Station, Texas, February 3, 2019
![](../../pictures/archives/compress/2019/2450/jpeg/09t.jpg) Bark rash lichen (Pyrenula cruenta) in Lick Creek Park. College Station, Texas, February 20, 2019
![](../../pictures/archives/compress/2019/2445/jpeg/18t.jpg) Perforated ruffle lichen (Parmotrema perforatum) on an oak twig in Lick Creek Park. College Station, Texas, February 3, 2019
![](../../pictures/archives/compress/2019/2445/jpeg/03t.jpg) Red patch of sunken bloodspot lichen (Haematomma persoonii) on an oak in Lick Creek Park. College Station, Texas, February 3, 2019
![](../../pictures/archives/compress/2019/2450/jpeg/15t.jpg) White fringe lichen (Heterodermia albicans) on a tree in Lick Creek Park. College Station, Texas, February 20, 2019
![](../../pictures/archives/compress/2019/2450/jpeg/20t.jpg) Southern crimson dot lichen (Ramboldia russula) on a twig in Lick Creek Park. College Station, Texas, February 20, 2019
![](../../pictures/archives/compress/2019/2445/jpeg/28t.jpg) White fringe lichen (Heterodermia albicans) on a tree in Lick Creek Park. College Station, Texas, February 3, 2019
![](../../pictures/archives/compress/2019/2445/jpeg/24t.jpg) Physcia lichen with brown apothecia on yaupon holly or may be on oak in Lick Creek Park. College Station, Texas, February 3, 2019
![](../../pictures/archives/compress/2019/2445/jpeg/06t.jpg) Sunken bloodspot lichen (Haematomma persoonii) on an oak twig in Lick Creek Park. College Station, Texas, February 3, 2019
![](../../pictures/archives/compress/2019/2445/jpeg/10t.jpg) Rough speckled shield lichen (Punctelia rudecta) on a tree in Lick Creek Park. College Station, Texas, February 3, 2019
![](../../pictures/archives/compress/2019/2445/jpeg/15t.jpg) Perforated ruffle lichen (Parmotrema perforatum) on a thin oak twig in Lick Creek Park. College Station, Texas, February 3, 2019
![](../../pictures/archives/compress/2019/2445/jpeg/07t.jpg) Perforated ruffle lichen (Parmotrema perforatum) on a fallen oak twig in Lick Creek Park. College Station, Texas, February 3, 2019
![](../../pictures/archives/compress/2019/2445/jpeg/19t.jpg) Rough speckled shield lichen (Punctelia rudecta) on a tree in Lick Creek Park. College Station, Texas, February 3, 2019
![](../../pictures/archives/compress/2019/2450/jpeg/19t.jpg) Rough speckled shield lichen (Punctelia rudecta) on a tree in Lick Creek Park. College Station, Texas, February 20, 2019
![](../../pictures/archives/compress/2019/2445/jpeg/09t.jpg) Powdered ruffle lichen (Parmotrema hypotropum) on a fallen oak twig in Lick Creek Park. College Station, Texas, February 3, 2019
![](../../pictures/archives/compress/2019/2445/jpeg/34t.jpg) Flowering fringe lichen (Heterodermia echinata) on a fallen oak twig in Lick Creek Park. College Station, Texas, February 3, 2019
![](../../pictures/archives/compress/2019/2445/jpeg/36t.jpg) Bushy beard lichen (Usnea strigosa) on a fallen oak twig in Lick Creek Park. College Station, Texas, February 3, 2019
![](../../pictures/archives/compress/2019/2445/jpeg/23t.jpg) Rough speckled shield lichen (Punctelia rudecta) on yaupon holly or may be on oak in Lick Creek Park. College Station, Texas, February 3, 2019
![](../../pictures/archives/compress/2019/2445/jpeg/22t.jpg) Rough speckled shield lichen (Punctelia rudecta) on tree bark in Lick Creek Park. College Station, Texas, February 3, 2019
![](../../pictures/archives/compress/2019/2450/jpeg/11t.jpg) White fringe lichen (Heterodermia albicans) with brown apothecia on a yaupon(?) tree in Lick Creek Park. College Station, Texas, February 20, 2019
![](../../pictures/archives/compress/2019/2450/jpeg/13t.jpg) Speckled blister lichen Trypethelium tropicum (Nigrovothelium tropicum) on a tree in Lick Creek Park. College Station, Texas, February 20, 2019
![](../../pictures/archives/compress/2024/3610/jpeg/02t.jpg) 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
![](../../pictures/archives/compress/2008/696/jpeg/26t.jpg) Lichen growing on a tree branch in Lick Creek Park. College Station, Texas, December 28, 2008
![](../../pictures/archives/compress/2019/2445/jpeg/32t.jpg) Orange apothecia of bark sulphur-firedot lichen (Gyalolechia flavorubescens, Caloplaca flavorubescens) in Lick Creek Park. College Station, Texas, February 3, 2019
![](../../pictures/archives/compress/2019/2445/jpeg/30t.jpg) Bark sulphur-firedot lichen (Gyalolechia flavorubescens, Caloplaca flavorubescens) on a hackberry tree in Lick Creek Park. College Station, Texas, February 3, 2019
![](../../pictures/archives/compress/2019/2445/jpeg/31t.jpg) 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
![](../../pictures/archives/compress/2019/2445/jpeg/33t.jpg) Texture of bark sulphur-firedot lichen (Gyalolechia flavorubescens, Caloplaca flavorubescens) on a hackberry tree in Lick Creek Park. College Station, Texas, February 3, 2019
![](../../pictures/archives/compress/2008/696/jpeg/25t.jpg) Shrubby body of Golden eye lichen (Teloschistes chrysophthalmus) on a tree branch in Lick Creek Park. College Station, Texas, December 28, 2008
![](../../pictures/archives/compress/2018/2372/jpeg/19t.jpg) Cyanobacteria Nostoc forming a blistered jelly lichen (Collema) on an oak branch in Lick Creek Park. College Station, Texas, October 3, 2018
![](../../pictures/archives/compress/2010/895/jpeg/02t.jpg) Red and black striped caterpillar on soft golden aster (Bradburia pilosa) in Lick Creek Park. College Station, Texas, October 17, 2010
![](../../pictures/archives/compress/2019/2450/jpeg/24t.jpg) 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
![](../../pictures/archives/compress/2019/2432/jpeg/19t.jpg) Warty lichen (Pertusaria) in Lick Creek Park. College Station, Texas, January 18, 2019
![](../../pictures/archives/compress/2019/2530/jpeg/22t.jpg) Lecanora lichen in wet condition in Lick Creek Park. College Station, Texas, June 17, 2019
![](../../pictures/archives/compress/2019/2432/jpeg/05t.jpg) Button lichen (Buellia) in Lick Creek Park. College Station, Texas, January 18, 2019
![](../../pictures/archives/compress/2019/2432/jpeg/16t.jpg) Script lichen (Graphis) on an oak in Lick Creek Park. College Station, Texas, January 18, 2019
![](../../pictures/archives/compress/2019/2530/jpeg/21t.jpg) Lecanora lichen on a small oak in Lick Creek Park. College Station, Texas, June 17, 2019
![](../../pictures/archives/compress/2019/2530/jpeg/29t.jpg) Various lichens on bark of a fallen oak branch in Lick Creek Park. College Station, Texas, June 17, 2019
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