 Orange-brown disks of fruiting bodies (apothecia) of crustose lichen Caloplaca aurantia a stone in desert near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Crazy-paving pattern in the center of crustose lichen Caloplaca aurantia on a stone in desert near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Yellow crustose lichen Caloplaca aurantia on a stone in desert near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Golden crustose lichen Caloplaca aurantia on a stone in desert near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Patch of rounded crustose lichen Caloplaca aurantia on a stone in desert near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Round patch of Caloplaca aurantia lichen on a stone in desert near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Tiny brown desert flowers of Heliotropium bacciferum(?) near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Black and orange caterpillar of salt-and-pepper moth (Utetheisa lotrix) in desert near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Dry Arnebia hispidissima(?) in desert near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Sclerocephalus arabicus in desert near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Flowers of Helianthemum kahiricum in desert near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Blooming Helianthemum kahiricum in desert near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Haplophyllum tuberculatum (local name Meseika) in desert near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Seedling of milkweed Glossonema varians in desert near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Haplophyllum tuberculatum (local name Meseika) in desert near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Halophyte plant Zygophyllum qatarense in desert near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Rhanterium epapposum (native name Arfaj) in desert near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Two yellow flowers of Helianthemum kahiricum in desert near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Pubescent leaves of Pulicaria gnaphalodes in desert near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Furry leaves of Pulicaria gnaphalodes in desert near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Yellow flower of Aaronsohnia factorovskyi in desert near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Blooming Rhanterium epapposum (native name Arfaj) in desert near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Plant with silvery leaves Pulicaria gnaphalodes in desert near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Small yellow flowers of Aaronsohnia factorovskyi in desert near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Desert species of morning glory (Convolvulus cephalopodus) near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Fluffy seeds of a plant of aster family in desert near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Aster like yellow flower of Aaronsohnia factorovskyi in desert near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Rosette of drying leaves of storkbill (Erodium glaucophyllum?) in desert near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Flower of desert species of morning glory (Convolvulus cephalopodus) near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Yellow flowers of Haplophyllum tuberculatum (local name Meseika) in desert near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Desert flower of Launaea mucronata (local name Huwa ghazal) near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Globular seed pods of Reseda muricata with ants in desert near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Yellow flower of false sowthistle (Reichardia tingitana(?)) in desert near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Purple desert flower of Scrophularia deserti (Al-Jar or Afaina in Arabic) near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Spherical seed pods of Reseda muricata with ants in desert near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Desert plant Herniaria hemistemon (local name Ghebayra) with tiny leaves near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Yellow flower of Launaea mucronata (local name Huwa ghazal) in desert near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 False sowthistle (Reichardia tingitana, local name Hawzan or mureer, Hawdhan) in desert near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Yellow distaff-thistle (Atractylis carduus, local names jalwa, laymoony, shuwwaykh) in desert near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Inflorescence of Helianthemum kahiricum near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Seedling of milkweed Glossonema varians near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Yellow flowers of Helianthemum kahiricum near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Sunning dhub (spiny-tailed agama, Egyptian spiny-tailed lizard, dhab, mastigure, Uromastyx aegyptia) in desert in industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Pitted darkling beetle (Adesmia cancellata) near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Sun bathing dhub (spiny-tailed agama, Egyptian spiny-tailed lizard, dhab, mastigure, Uromastyx aegyptia) in undeveloped desert in industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Flower of Launaea mucronata (local name Huwa ghazal) near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Dandelion like flower of Launaea mucronata (local name Huwa ghazal) near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Yellow flower of Launaea mucronata (local name Huwa ghazal) near industrial zone of Ras Laffan, north from Doha. Qatar, March 23, 2013
 Grey crustose lichen Aspicilia with orange firedot lichen Caloplaca on granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Dark brown crustose lichen Caloplaca growing on a yellow dispersed lichen Acarospora (cobblestone, or cracked lichen) in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Dark brown crustose lichen Caloplaca on granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Brown lichen Caloplaca with other crustose lichens on pink granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Dark brown crustose lichen Caloplaca on pink granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Orange and dark brown crustose lichens Caloplaca on pink granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Grey crustose lichen Aspicilia with firedot lichen Caloplaca on granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Orange apothecia of firedot lichen Squamulea squamosa (Caloplaca squamosa) on a tomb in Independence Cemetery. Texas, March 26, 2024
 Caloplaca aurantia lichen on a stone on a rocky ridge of Jebel Fuwairit. Northern Qatar, March 20, 2015
 Crowded apothecia of brown-eyed rim-lichen (Lecanora allophana) on Mexican buckeye (Ungnadia speciosa) in Antique Rose Emporium. Independence, Texas, February 27, 2019
 Orange Caloplaca lichen on a sandstone rock in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 21, 2020
 Some dark-green crustose lichen on a limestone rock near the river in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Isidious firedot lichen Fulgogasparrea brouardii (Caloplaca brouardii)(?) together with other crustose lichens in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Brown and orange crustose lichens on limestone in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Orange apothecia of bark sulphur-firedot lichen (Gyalolechia flavorubescens, Caloplaca flavorubescens) in Lick Creek Park. College Station, Texas, February 3, 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
 Yellow garden spider (Argiope aurantia(?)) on desert spurge (summer poinsettia, Euphorbia heterophylla) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 2015
 Firedot lichen Caloplaca subsoluta (Squamulea subsoluta, Caloplaca irrubescens) on limestone near the river in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Yellow cobblestone lichen Acarospora socialis and brown Caloplaca on pink granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Orange firedot lichen Fulgogasparrea appressa (Caloplaca appressa)(?) on granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Apothecia of peppered rock-shield lichen (Xanthoparmelia conspersa) on a granite tomb in City Cemetery. Bryan, Texas, March 3, 2019
 Firedot lichen Squamulea squamosa (Caloplaca squamosa) with apothecia on sandstone of Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, March 14, 2019
 Apothecia of firedot lichen Squamulea squamosa (Caloplaca squamosa) on sandstone of Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, March 14, 2019
 Orange crustous lichen Caloplaca on a sandstone rock at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, February 14, 2024
 Desert rock carved by drifting sand (aeolian abrasion) in area of dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
 Brown-eyed rim-lichen (Lecanora allophana) lichen with brown apothecia on Mexican buckeye (Ungnadia speciosa) in Antique Rose Emporium. Independence, Texas, February 27, 2019
 Firedot lichen Caloplaca on limestone outcrop near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 13, 2020
 Peppered rock-shield lichen (Xanthoparmelia conspersa) and firedot lichen Caloplaca on a tomb in City Cemetery. Bryan, Texas, January 3, 2019
 Industrial Zone in Beer-Sheva. The Middle East, March 5, 2000
 Buellia subalbula (white with black apothecia) and other crustose lichens on stones on a rocky ridge of Jebel Fuwairit. Northern Qatar, March 12, 2016
 Common grey crustose lichen Aspicilia (sunken disk lichen) on granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Details of Caloplaca lichen on a sandstone rock in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 21, 2020
 Rock shield lichen (Xanthoparmelia) on a mossy limestone rock in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Rock shield lichen (Xanthoparmelia)(?) on a limestone rock in a forest in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Caloplaca and a lichen Endocarpon pusillum on a sandstone rock in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 21, 2020
 Firedot lichen Xanthocarpia crenulatella (Caloplaca crenulatella) (orange) and Acarospora (brown) on sandstone on a bridge in Wolf Pen Creek Park. College Station, Texas, January 13, 2018
 Caloplaca together with a black lichen Endocarpon pusillum on a sandstone rock in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 21, 2020
 Desert lizard Eastern sandfish (skink, Chalcides mitranus, Scincus mitranus) on rock near dunes near Harrarah, west from Mesayeed, south-west from Doha. Qatar, March 19, 2013
 Apothecia of bark sulphur-firedot lichen (Gyalolechia flavorubescens, Caloplaca flavorubescens) on a fallen oak near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, February 21, 2021
 Apothecia of peppered rock-shield lichen (Xanthoparmelia conspersa) on a rock at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
 Peppered rock-shield lichen (Xanthoparmelia conspersa) with apothecia on a rock at Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, February 14, 2024
 Grey crustose lichen on limestone in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Gold cobblestone lichen Pleopsidium flavum (Pleopsidium oxytonum)(?) mixed with a grey crustose lichen on granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Brown-beret lichen (Baeomyces rufus) with apothecia in Kannelyarvi, 45 miles north from Saint Petersburg. Russia, May 25, 2019
 Orange Peel Fungus (Aleuria aurantia) mushrooms near Lembolovo, 45 miles north from Saint Petersburg. Russia, August 27, 2013
 Cracked lichen Acarospora novomexicana (yellow) and firedot lichen Fulgogasparrea appressa (Caloplaca appressa)(?) (red) on granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Dark-green crustose lichen on limestone in Pedernales Falls State Park. Johnson City, Texas, January 11, 2019
 Golden moonglow lichen (Dimelaena oreina, greenish grey) and firedot lichen Fulgogasparrea appressa (Caloplaca appressa)(?) in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Cracked lichen Acarospora novomexicana (yellow) and firedot lichen Fulgogasparrea appressa (Caloplaca appressa)(?) (red) on pink granite of Freshman Mountain in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Firedot lichen (Caloplaca) in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
 Large granite stone covered by cracked lichen Acarospora novomexicana (yellow) and firedot lichen Fulgogasparrea appressa (Caloplaca appressa)(?) (red) on Freshman Mountain in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
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