 Mealy rim-lichen (Lecanora strobilina) on an oak in Lick Creek Park. College Station, Texas, February 3, 2019
 Mealy rim-lichen (Lecanora strobilina) on bark of oak 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
 Frosted rim-lichen (Lecanora caesiorubella) on a tree in Lick Creek Park. College Station, Texas, February 3, 2019
 Lecanora lichen on an oak twig in Lick Creek Park. College Station, Texas, February 3, 2019
 Pale brown Lecanora lichen on an oak 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
 Lecanora lichen in wet condition in Lick Creek Park. College Station, Texas, June 17, 2019
 Lecanora lichen on a small oak in Lick Creek Park. College Station, Texas, June 17, 2019
 Frosted rim-lichen (Lecanora caesiorubella) on an 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
 Lecanora lichen together with Pertusaria and Haematomma persoonii in Lick Creek Park. College Station, Texas, June 17, 2019
 Sunken bloodspot lichen (Haematomma persoonii) and Lecanora on oak in Lick Creek Park. College Station, Texas, January 18, 2019
 Pyxine lichen 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
 Warty lichen (Pertusaria) on a tree in Lick Creek Park. College Station, Texas, February 3, 2019
 Physcia lichen with brown apothecia on a tree 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 3, 2019
 White fringe lichen (Heterodermia albicans) on a tree in Lick Creek Park. College Station, Texas, February 20, 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
 Rough speckled shield lichen (Punctelia rudecta) on tree bark 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
 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
 Ruffle lichen (Parmotrema) on a tree in Lick Creek Park. College Station, Texas, January 18, 2019
 Lecanora and Buellia lichens on a small oak in Lick Creek Park. College Station, Texas, June 17, 2019
 Lecanora(?) lichen on a tree near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 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
 Phaeographis lichen on an oak in Lick Creek Park. College Station, Texas, February 3, 2019
 Lecanora(?) lichen on a fallen aspen tree near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
 Powdery medallion lichen (Dirinaria applanata) on a small hackberry tree in Lick Creek Park. College Station, Texas, January 9, 2019
 Slender orange bush lichen (Teloschistes exilis) on a twig of elm tree in Lick Creek Park. College Station, Texas, March 15, 2019
 Lecanora or may be Physcia 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
 Brown Lecanora(?) lichen on a fallen aspen tree near Kuzmolovo, north from Saint Petersburg. Russia, May 8, 2019
 Wrinkled loop lichen (Hypotrachyna livida) on an oak(?) in Lick Creek Park. College Station, Texas, February 20, 2019
 Close up of Physcia lichen with brown apothecia 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
 Fringe lichen Heterodermia with brown apothecis 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
 Bark rash lichen (Pyrenula cruenta) in Lick Creek Park. College Station, Texas, February 20, 2019
 Brown-eyed rim-lichen (Lecanora allophana) lichen with brown apothecia on Mexican buckeye (Ungnadia speciosa) in Antique Rose Emporium. Independence, Texas, February 27, 2019
 Mapledust lichen (Lecanora thysanophora)(?) on a tree in Zakhodskoe (Lounatjoki), 50 miles north from Saint Petersburg. Russia, May 9, 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
 Sunken bloodspot lichen (Haematomma persoonii) on an oak twig in Lick Creek Park. College Station, Texas, February 3, 2019
 Sunken bloodspot lichen (Haematomma persoonii) on an oak branch 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 an oak twig 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
 Perforated ruffle lichen (Parmotrema perforatum) on a fallen 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
 Perforated ruffle lichen (Parmotrema perforatum) on a thin oak twig 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 yaupon holly or may be on oak in Lick Creek Park. College Station, Texas, February 3, 2019
 Male cones on a red cedar tree in Lick Creek Park. College Station, Texas, February 3, 2019
 Speckled blister lichen Trypethelium tropicum (Nigrovothelium tropicum) on bark of hackberry tree in Lick Creek Park. College Station, Texas, January 1, 2019
 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) with black perithecia on bark of hackberry tree in Lick Creek Park. College Station, Texas, January 1, 2019
 Lichen Lecanora louisianae(?) on acacia (huisache) tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Punctelia, Pertusaria and Phaeographis lichens on tree bark in Lick Creek Park. College Station, Texas, February 20, 2019
 Tuft of striped ramalina lichen (Ramalina montagnei) on an oak branch in Lick Creek Park. College Station, Texas, February 20, 2019
 Brown-eyed rim-lichen (Lecanora allophana) on Mexican buckeye (Ungnadia speciosa) in Antique Rose Emporium. Independence, Texas, February 27, 2019
 Dirinaria lichen on tree bark on Kiwanis Nature Trail, College Station, Texas, February 26, 2019
 Close up of Dirinaria lichen on a tree on Kiwanis Nature Trail, College Station, Texas, February 26, 2019
 Rosette lichen (Physcia) on a tree on Kiwanis Nature Trail, College Station, Texas, February 26, 2019
 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) in Lick Creek Park. College Station, Texas, February 3, 2019
 Close up of brown-eyed rim-lichen (Lecanora allophana) on Mexican buckeye (Ungnadia speciosa) in Antique Rose Emporium. Independence, Texas, February 27, 2019
 Apothecia of brown-eyed rim-lichen (Lecanora allophana) on Mexican buckeye (Ungnadia speciosa) in Antique Rose Emporium. Independence, Texas, February 27, 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
 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
 Sunken rim-lichen (Lecanora oreinoides) and peppered rock-shield lichen (Xanthoparmelia conspersa) 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
 Patch of rosette lichen (Physcia) on a tree on Kiwanis Nature Trail, College Station, Texas, February 26, 2019
 Some rosette lichen (Physcia) on tree bark on Kiwanis Nature Trail, College Station, Texas, February 26, 2019
 Rosette lichen (Physcia) on tree bark on Kiwanis Nature Trail, College Station, Texas, February 26, 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
 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
 Crowded apothecia of brown-eyed rim-lichen (Lecanora allophana) on Mexican buckeye (Ungnadia speciosa) in Antique Rose Emporium. Independence, Texas, February 27, 2019
 Peppered rock-shield lichen (Xanthoparmelia conspersa) and sunken rim-lichen (Lecanora oreinoides) on a rock at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 White fringe lichen (Heterodermia albicans) on a tree on Kiwanis Nature Trail, College Station, Texas, February 26, 2019
 Dirinaria lichen on a tree in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, February 26, 2019
 Black Lecanora like lichen on granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
 Black apothecia of Lecanora like lichen on granite cliffs in Monrepos Park in Vyborg. Russia, May 24, 2019
 Golden dust lichen Chrysothrix xanthina with a folious lichen on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 Lichen growing on a tree branch in Lick Creek Park. College Station, Texas, December 28, 2008
 Beard lichen (Usnea) fallen from a tree in Lick Creek Park. College Station, Texas, January 23, 2020
 Warty lichen (Pertusaria) in Lick Creek Park. College Station, Texas, January 18, 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
 Old perforated ruffle lichen (Parmotrema perforatum)(?) on a tree in Lick Creek Park. College Station, Texas, March 24, 2021
 Ramalina(?) lichen on a fallen twig of oak in Lick Creek Park. College Station, Texas, June 17, 2019
 Graphis lichen with orange alga 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
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