![](../../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/01t.jpg) Sunken bloodspot lichen (Haematomma persoonii) on an oak branch 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/2019/2530/jpeg/20t.jpg) Sunken bloodspot lichen (Haematomma persoonii) in Lick Creek Park. College Station, Texas, June 17, 2019
![](../../pictures/archives/compress/2019/2431/jpeg/04t.jpg) Sunken bloodspot lichen (Haematomma persoonii) and Lecanora on oak in Lick Creek Park. College Station, Texas, January 18, 2019
![](../../pictures/archives/compress/2019/2431/jpeg/15t.jpg) Sunken bloodspot lichen (Haematomma persoonii) on river birch in Lick Creek Park. College Station, Texas, January 18, 2019
![](../../pictures/archives/compress/2019/2425/jpeg/11t.jpg) Sunken bloodspot lichen (Haematomma persoonii) on bark of hackberry tree in Lemontree Park. College Station, Texas, January 2, 2019
![](../../pictures/archives/compress/2019/2425/jpeg/12t.jpg) Red apothecia of sunken bloodspot lichen (Haematomma persoonii) on bark of hackberry tree in Lemontree Park. College Station, Texas, January 2, 2019
![](../../pictures/archives/compress/2019/2425/jpeg/14t.jpg) Texture of sunken bloodspot lichen (Haematomma persoonii) on bark of hackberry tree in Lemontree Park. College Station, Texas, January 2, 2019
![](../../pictures/archives/compress/2019/2442/jpeg/04t.jpg) Sunken bloodspot lichen (Haematomma persoonii) on a fallen oak twig in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
![](../../pictures/archives/compress/2019/2447/jpeg/18t.jpg) Sunken bloodspot lichen (Haematomma persoonii) on a deciduous tree in Old Independence Cemetery near Independence. Texas, February 10, 2019
![](../../pictures/archives/compress/2020/2636/jpeg/34t.jpg) Pertusaria and sunken bloodspot (Haematomma persoonii) lichens on a dry oak in Lick Creek Park. College Station, Texas, January 23, 2020
![](../../pictures/archives/compress/2019/2455/jpeg/02t.jpg) Sunken bloodspot lichen (Haematomma persoonii) on a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
![](../../pictures/archives/compress/2019/2448/jpeg/21t.jpg) Sunken bloodspot lichen (Haematomma persoonii) on a fallen oak on Alligator Branch section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville. Texas, February 17, 2019
![](../../pictures/archives/compress/2019/2430/jpeg/03t.jpg) Sunken bloodspot lichen (Haematomma persoonii) on an oak in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 12, 2019
![](../../pictures/archives/compress/2018/2423/jpeg/25t.jpg) Sunken bloodspot lichen (Haematomma persoonii) on a petrified wood tomstone in Odd Fellow Cemetery. Anderson, Texas, December 31, 2018
![](../../pictures/archives/compress/2018/2422/jpeg/16t.jpg) Sunken bloodspot lichen (Haematomma persoonii) on bark of a hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 29, 2018
![](../../pictures/archives/compress/2020/2836/jpeg/27t.jpg) Sunken bloodspot lichen (Haematomma persoonii) on a recently fallen oak on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, December 26, 2020
![](../../pictures/archives/compress/2020/2836/jpeg/32t.jpg) Pattern od sunken bloodspot lichen (Haematomma persoonii) on a recently fallen oak on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, December 26, 2020
![](../../pictures/archives/compress/2020/2836/jpeg/30t.jpg) Texture of sunken bloodspot lichen (Haematomma persoonii) on a recently fallen oak on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, December 26, 2020
![](../../pictures/archives/compress/2020/2836/jpeg/28t.jpg) Close-up of sunken bloodspot lichen (Haematomma persoonii) on a recently fallen oak on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, December 26, 2020
![](../../pictures/archives/compress/2020/2836/jpeg/29t.jpg) Sunken bloodspot lichen (Haematomma persoonii) with other crustose lichens on a recently fallen oak on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, December 26, 2020
![](../../pictures/archives/compress/2020/2836/jpeg/31t.jpg) Sunken bloodspot lichen (Haematomma persoonii) with moss and other crustose lichens on a recently fallen oak on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, December 26, 2020
![](../../pictures/archives/compress/2019/2530/jpeg/24t.jpg) Lecanora lichen together with Pertusaria and Haematomma persoonii in Lick Creek Park. College Station, Texas, June 17, 2019
![](../../pictures/archives/compress/2019/2530/jpeg/25t.jpg) Warty lichen (Pertusaria) together with Ochrolechia pallescens and Haematomma persoonii in Lick Creek Park. College Station, Texas, June 17, 2019
![](../../pictures/archives/compress/2019/2530/jpeg/26t.jpg) Pertusaria, Ochrolechia pallescens and Haematomma persoonii lichens on a branch of a small oak in Lick Creek Park. College Station, Texas, June 17, 2019
![](../../pictures/archives/compress/2019/2453/jpeg/26t.jpg) Patch of rosette lichen (Physcia) on a tree on Kiwanis Nature Trail, College Station, Texas, February 26, 2019
![](../../pictures/archives/compress/2019/2455/jpeg/38t.jpg) Chiseled sunken disk lichen (Circinaria contorta, Aspicilia contorta) together with some powdery lichen on concrete remains near the columns in Old Bailor park. Independence, Texas, February 27, 2019
![](../../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/2019/2445/jpeg/21t.jpg) Pyxine lichen on a tree in Lick Creek Park. College Station, Texas, February 3, 2019
![](../../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/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/12t.jpg) Pale brown Lecanora lichen on an oak in Lick Creek Park. College Station, Texas, February 20, 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/14t.jpg) Fringe lichen Heterodermia with brown apothecis 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/08t.jpg) Frosted rim-lichen (Lecanora caesiorubella), to the left, in Lick Creek Park. College Station, Texas, February 3, 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/2019/2445/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/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/26t.jpg) Physcia lichen with brown apothecia 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/29t.jpg) Mealy rim-lichen (Lecanora strobilina) on a tree in Lick Creek Park. College Station, Texas, February 3, 2019
![](../../pictures/archives/compress/2019/2443/jpeg/20t.jpg) Old patch of brick-spored firedot lichen Brigantiaea leucoxantha in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
![](../../pictures/archives/compress/2019/2611/jpeg/25t.jpg) Violet patch-forming fungus Tulasnella violea on old polypore mushrooms eaten by worms in Lick Creek Park. College Station, Texas, December 13, 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/2019/2450/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/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/28t.jpg) White fringe lichen (Heterodermia albicans) on a tree in Lick Creek Park. College Station, Texas, February 3, 2019
![](../../pictures/archives/compress/2019/2441/jpeg/15t.jpg) Green patch of lace-scale lichen Phyllopsora parvifolia on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 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/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/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/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/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/2019/2450/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/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/19t.jpg) Rough speckled shield lichen (Punctelia rudecta) on a tree in Lick Creek Park. College Station, Texas, February 3, 2019
![](../../pictures/archives/compress/2019/2455/jpeg/32t.jpg) Chiseled sunken disk lichen (Circinaria contorta, Aspicilia contorta) on concrete remains near the columns in Old Bailor park. Independence, Texas, February 27, 2019
![](../../pictures/archives/compress/2019/2455/jpeg/36t.jpg) Spreading chiseled sunken disk lichen (Circinaria contorta, Aspicilia contorta) on concrete remains near the columns in Old Bailor park. Independence, Texas, February 27, 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/2019/2445/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/2019/2450/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/2023/3350/jpeg/08t.jpg) Sunken button lichen (Buellia spuria) and some folios lichen on sandstone at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, February 26, 2023
![](../../pictures/archives/compress/2023/3350/jpeg/16t.jpg) Sunken button lichen (Buellia spuria) and some folios lichen on rocks at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, February 26, 2023
![](../../pictures/archives/compress/2019/2455/jpeg/19t.jpg) Green patch of smooth shadow-crust lichen (Hyperphyscia syncolla) in Antique Rose Emporium. Independence, Texas, February 27, 2019
![](../../pictures/archives/compress/2024/3474/jpeg/22t.jpg) Patch of thin violet and brown corticioid (crust) fungus on a fallen honey locust (Gleditsia triacanthos) in wet area in Lick Creek Park. College Station, Texas, February 20, 2024
![](../../pictures/archives/compress/2019/2442/jpeg/20t.jpg) Small patch of lobed cotton lichen (Crocynia pyxinoides, Phyllopsora pyxinoides) on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
![](../../pictures/archives/compress/2019/2450/jpeg/10t.jpg) Tuft of striped ramalina lichen (Ramalina montagnei) on an oak branch in Lick Creek Park. College Station, Texas, February 20, 2019
![](../../pictures/archives/compress/2019/2435/jpeg/18t.jpg) 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
![](../../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/2019/2435/jpeg/29t.jpg) 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
![](../../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/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/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/2019/2454/jpeg/22t.jpg) Green patch of Phaeophyscia lichen on an almost dry bush of huisache in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
![](../../pictures/archives/compress/2019/2455/jpeg/12t.jpg) Olive green patch of smooth shadow-crust lichen (Hyperphyscia syncolla) and other lichens on Mexican buckeye (Ungnadia speciosa) in Antique Rose Emporium. Independence, Texas, February 27, 2019
![](../../pictures/archives/compress/2019/2451/jpeg/25t.jpg) Patch of some folious lichen 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/2019/2447/jpeg/12t.jpg) Chiseled sunken disk lichen (Circinaria contorta, Aspicilia contorta) on remains of concrete bordering in Old Independence Cemetery near Independence. Texas, February 10, 2019
![](../../pictures/archives/compress/2019/2447/jpeg/13t.jpg) Close up of chiseled sunken disk lichen (Circinaria contorta, Aspicilia contorta) on remains of concrete bordering in Old Independence Cemetery near Independence. Texas, February 10, 2019
![](../../pictures/archives/compress/2019/2451/jpeg/17t.jpg) Green patch of rosette lichen (Physcia) 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/2024/3526/jpeg/05t.jpg) Patch of resupinate tooth mushroom Steccherinum robustius on a log in Lick Creek Park. College Station, Texas, May 4, 2024
![](../../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/2019/2530/jpeg/21t.jpg) Lecanora lichen on a small oak in Lick Creek Park. College Station, Texas, June 17, 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/2019/2432/jpeg/19t.jpg) Warty lichen (Pertusaria) in Lick Creek Park. College Station, Texas, January 18, 2019
![](../../pictures/archives/compress/2019/2429/jpeg/32t.jpg) White patch of Aspicilia lichen on a limestone rock in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
![](../../pictures/archives/compress/2019/2432/jpeg/15t.jpg) Pale brown Lecanora lichen on an oak in Lick Creek Park. College Station, Texas, January 18, 2019
![](../../pictures/archives/compress/2019/2432/jpeg/11t.jpg) Graphis lichen with orange alga on an oak in Lick Creek Park. College Station, Texas, January 18, 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/2019/2431/jpeg/18t.jpg) Ruffle lichen (Parmotrema) on a tree in Lick Creek Park. College Station, Texas, January 18, 2019
![](../../pictures/archives/compress/2019/2432/jpeg/06t.jpg) Speckled shield lichen (Punctelia) in Lick Creek Park. College Station, Texas, January 18, 2019
![](../../pictures/archives/compress/2019/2478/jpeg/24t.jpg) Turbin lichen (Cladonia peziziformis) in Lick Creek Park. College Station, Texas, April 5, 2019
![](../../pictures/archives/compress/2019/2431/jpeg/07t.jpg) Frosted rim-lichen (Lecanora caesiorubella) on an oak in Lick Creek Park. College Station, Texas, January 18, 2019
![](../../pictures/archives/compress/2019/2431/jpeg/10t.jpg) Saucer lichen Ochrolechia pallescens on oak in Lick Creek Park. College Station, Texas, January 18, 2019
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