Orange apothecia of bark sulphur-firedot lichen (Gyalolechia flavorubescens, Caloplaca flavorubescens) 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 texture of lichens on bark of hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
Detail of hackberry bark in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
Dust lichen (Lepraria incana) on bark of a large pine tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, March 10, 2019
Bark sulphur-firedot lichen (Gyalolechia flavorubescens, Caloplaca flavorubescens) on bark of hackberry tree in Lick Creek Park. College Station, Texas, January 1, 2019
Bark of a large poplar in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, April 2, 2017
Red raspberry slime mold Tubifera ferruginosa at the base of a pine with burnt bark on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, April 28, 2018
Close up of porous corticioid fungus on bark of a fallen pine in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, November 23, 2018
Resupinate poroid fungus Fuscoporia ferruginosa on oak bark near Birch Creek Unit of Somerville Lake State Park. Texas, November 24, 2018
Brick-spored firedot lichen Brigantiaea leucoxantha on tree bark in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
Orange jelly fungus Dacrymyces variisporus(?) among moss on bark of a recently fallen oak in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
Root rot fungus Heterobasidion annosum on bark of a pine log in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
Brown tree bark on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 28, 2013
Sunken bloodspot lichen (Haematomma persoonii) on bark of hackberry tree in Lemontree Park. College Station, Texas, January 2, 2019
Bark of river birch (Betula nigra) in Lick Creek Park. College Station, Texas, December 24, 2010
Bark of dry hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
Peeling bark on a tree near Racoon Run Trail in Lick Creek Park. College Station, Texas, January 4, 2011
Bark of Horse apple (osage orange) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 16, 2011
Multicolored bark and crystals for sale in spice section in Souq Waqif (Old Market). Doha, Qatar, December 23, 2014
Fissurina lichen on bark of a magnolia tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 5, 2019
White berries of red-barked dogwood (Cornus alba, Swida alba, Russian name Dioren Bely) in Alexander Park in Pushkin, suburb of Saint Petersburg. Russia, July 31, 2016
Toothed crust fungus (Xylodon radula, Basidioradulum radula)(?) on willow bark taken from extension of Planernaya Street in northern part of Yuntolovsky Park. Saint Petersburg, Russia, March 21, 2017
Smooth shadow-crust lichen (Hyperphyscia syncolla) on bark of lower branches of old acacia (huisache) between Signature Park 11 apartments and Oil Well near Park Hudson Trail. Bryan, Texas, January 27, 2019
Fissurina lichen on bark in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
Bark of osage orange near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
Lichens on tree bark on Raccoon Run Trail in Lick Creek Park. College Station, Texas, December 19, 2013
Warty texture of bark of hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 17, 2012
Rough tree bark on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
Bark of cedar tree in Boonville Cemetery. Bryan, Texas, December 17, 2010
Texture of bark of sycamore in Lick Creek Park. College Station, Texas, January 4, 2011
Shoot of Virginia creeper vine on a tree covered by bark lichens in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 15, 2009
Bark of an oak tree on Hoots Hollow Trail in Brazos Bend State Park. Needville, Texas, April 11, 2009
Warty texture with corky ridges of bark of hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2010.
Bark on a fallen tree near Racoon Run Trail in Lick Creek Park. College Station, Texas, December 21, 2010
Bark of dead sycamore tree near Racoon Run Trail in Lick Creek Park. College Station, Texas, January 4, 2011
Bark of dead tree near Racoon Run Trail in Lick Creek Park. College Station, Texas, January 4, 2011
Chinaberry(?) tree bark on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
Bark texture near Racoon Run Trail in Lick Creek Park. College Station, Texas, January 4, 2011
Rough bark of black willow in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
Wrinkled crust fungus (Phlebia radiata mushroom) emerging behind bark near Lisiy Nos, south from Saint Petersburg. Russia, February 18, 2017
Tiny young mushrooms Delicatula integrella on bark of an oak near Lisiy Nos. West from Saint Petersburg, Russia, August 23, 2017
White polypore mushroom Antrodia gossypium (Fibroporia gossypium)(?) on a fallen wet pine branch without bark in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 5, 2019
Lichen Dirinaria applanata or may be Physcia on smooth bark of hackberry tree at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
Rosette lichen Dirinaria applanata or may be Physcia on smooth bark of hackberry tree at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019
Pyxine lichen on separated bark in bushes on Park Hudson Trail. Bryan, Texas, January 27, 2019
Fruticose lichen Evernia prunastri on a tree bark on Kurgalsky Peninsula near Ust Luga. Russia, May 5, 2019
Texture of cypress bark in Pedernales Falls State Park. Johnson City, Texas, January 12, 2013
Corky ridges of bark of hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2010
Peeling oak bark on Roosevelt s Cutoff Trail in Bastrop State Park. Bastrop, Texas, January 5, 2013
Bark of black cherry(?) on Iron Bridge Trail near crossing with Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
Detail of bark of dry hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
Tracks of land snails, or zigzag marks left by mouthparts (radula) on bark of crape myrtle tree in Fanthorp Cemetery. Anderson, Texas, December 31, 2018
Bark of alligator juniper in McKittrick Canyon. Guadalupe Mountains National Park, Texas, December 28, 2007
Corky bark of hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 30, 2010
Bark texture near Racoon Run Trail in Lick Creek Park. College Station, Texas, January 4, 2011
Tree bark with lichens on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
Bark of hackberry tree near Racoon Run Trail in Lick Creek Park. College Station, Texas, January 4, 2011
Peeled oak bark on the ground in Bastrop State Park. Bastrop, Texas, January 5, 2013
Rotten tree bark on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
Peeling bark from burnt trees in Bastrop State Park. Bastrop, Texas, January 12, 2014
Bark of a larch tree in Alexander Park. Pushkin (former Tsarskoe Selo) near Saint Petersburg, Russia, October 13, 2016
Mixed crustose lichens on bark of Mexican buckeye (Ungnadia speciosa) in Antique Rose Emporium. Independence, Texas, December 29, 2018
Old holes bored by sapsuckers in warty bark of hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 30, 2010
Rows of fresh and old sapsucker holes on tree bark in swampy area near Racoon Run Trail in Lick Creek Park. College Station, Texas, January 14, 2011
Bark of a dead tree on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
Bark of Mexican plum with oozing gum on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
Texture of sunken bloodspot lichen (Haematomma persoonii) on bark of hackberry tree in Lemontree Park. College Station, Texas, January 2, 2019
Bark of a fir tree after a rain from Tattapanum Trail one mile north-east from Fall River. Massachusetts, April 12, 2003.
Corky ridges of bark of hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 30, 2010
Rough tree bark near Racoon Run Trail in Lick Creek Park. College Station, Texas, January 14, 2011
Decomposing bark of dry hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
Papery strips of bark of river birch (Betula nigra) in Lick Creek Park. College Station, Texas, December 18, 2011
Tree bark in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
Peeling bark of dry hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
Burnt pine damaged by bark beetles in Bastrop State Park. Bastrop, Texas, September 15, 2012
Mixed dry bark and crystals in spice section of Souq Waqif (Old Market). Doha, Qatar, April 24, 2013
Bark of Mexican plum(?) on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
Bark of oak tree on Iron Bridge Trail in Lick Creek Park. College Station, Texas, July 30, 2013
Bark structure of desert fan palm (Washingtonia filifera or may be robusta) in a park at Al Intisar Street near a corner with Onaiza. Doha, Qatar, February 2, 2016
Corky bark of a tree of Sodom Apple (Calotropis procera, local name ashkhar) near a road to Al Dhabiya on north-western coast, Ash Shamal area. Qatar, June 17, 2016
Rusty dome of Giles Lumber Mill at 23249 Highway 105 W, Montgomery, TX 77356, to burn excess none saleable lumber and bark, with the screen on top as a spark resistor. Texas, April 5, 2009
Warts on bark of hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2010.
Exfoliating bark of river birch (Betula nigra) in Lick Creek Park. College Station, Texas, December 24, 2010
Corky bark of hackberry tree near Racoon Run Trail in Lick Creek Park. College Station, Texas, January 4, 2011
Sapsucker holes in warty bark of hackberry near Racoon Run Trail in Lick Creek Park. College Station, Texas, January 14, 2011
Fibrous texture of cedar tree bark in Boonville Cemetery. Bryan, Texas, November 14, 2012
Ironclad beetle (Zopherus haldemani(?)) found under tree bark on Raccoon Run Trail in Lick Creek Park. College Station, Texas, October 7, 2013
Fibrous bark of a cypress near Visitor Center Trail in Barataria Preserve. South from New Orleans, Louisiana, December 22, 2006
Peeling bark of Texas madrone on Devils Hall Trail in Pine Spring Canyon. Guadalupe Mountains National Park, Texas, December 28, 2007
Texture of bark of hackberry on Racoon Run Trail in Lick Creek Park. College Station, Texas, December 21, 2010
Sugarberry (hackberry, Celtis laevigata) tree bark on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
Pinkish papery texture of bark of river birch (Betula nigra) in Lick Creek Park. College Station, Texas, December 18, 2011
Peeling of bark of river birch (Betula nigra) in Lick Creek Park. College Station, Texas, December 18, 2011
Peeling bark of dead hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
Bark at the base of large black willow tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
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
Bark of oak tree on Iron Bridge Trail in Lick Creek Park. College Station, Texas, July 17, 2013
Oak tree without bark in Bastrop State Park. Bastrop, Texas, January 12, 2014
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
Crimson warts of bark rash lichen (Pyrenula cruenta) on a tree near the creek in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 5, 2019
Shade form of bark rash lichen (Pyrenula cruenta) on a tree near the creek in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 5, 2019
Pupae on bark of a pine at Breakneck Trail in Freetown - Fall River State Forest. Massachusetts, October 11, 2003
Poison ivy on a bark of a tree in Delaware and Raritan Canal State Park. Kingston, New Jersey, May 7, 2007
Line of holes bored by Yellow-Bellied Sapsucker birds (sapwells) in a tree bark in Lick Creek Park. College Station, Texas, December 24, 2010
Small holes bored by Yellow-Bellied Sapsucker birds in a tree bark in Lick Creek Park. College Station, Texas, December 24, 2010
Orange bark of Horse apple (osage orange) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 16, 2011
Bark of black willow in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
Warty texture of bark of hackberry (Celtis laevigata) on Racoon Run Trail in Lick Creek Park. College Station, Texas, December 17, 2008
Brown tree bark in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 29, 2010
Warts on bark of hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
Old birch bark west from Dibuny - Pesochny area near Saint Petersburg. Russia, February 4, 2017
Slime mold Lycogala exiguum on a big fallen pine without bark on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, May 26, 2018
Brick-spored firedot lichen (Brigantiaea)(?) on bark of a deciduous tree near the creek in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 5, 2019
Puzzle-like bark of a fallen sycamore near Gorge Trail in Taughannock Falls State Park. Ithaca, New York, October 11, 2005
Tree bark texture in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2010
Sycamore bark in swampy area near Racoon Run Trail in Lick Creek Park. College Station, Texas, January 14, 2011
Tree bark in Koporye Fortress. Leningrad Region, Russia, February 9, 2013
Brown bark of Sacred fig (Bo-Tree, Ficus religiosa) in a lane behind Abdullah Bin Thani Street in Musheirib area. Doha, Qatar, March 28, 2014
Poison ivy on bark of a tree, in Delaware and Raritan Canal State Park, near Harrison Street crossing. Princeton, New Jersey, May 1, 2007
Smooth white bark of Texas madrone on Devils Hall Trail in Pine Spring Canyon. Guadalupe Mountains National Park, Texas, December 28, 2007
Exfoliating bark of river birch (Betula nigra) on Deer Run Trail in Lick Creek Park. College Station, Texas, August 28, 2008
Bark of sycamore in Lick Creek Park. College Station, Texas, January 4, 2011
Details of bark of osage orange near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
Blackened bark of dried tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
Rotten bark on Silk floss tree (Chorisia speciosa, Ceiba speciosa) in a park of Aspire Zone. Doha, Qatar, April 26, 2013
Sacred fig (Bo-Tree, Ficus religiosa) with brown bark at Sikkat Abu Thila, Musheirib area. Doha, Qatar, April 27, 2013
Tree bark in Nikolskoe Cemetery of Alexander Nevsky Lavra. Saint Petersburg, Russia, May 25, 2011
Bark of hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
Detail of bark of dead hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
Tree bark with sapsucker holes in Lick Creek Park. College Station, Texas, October 2, 2012
Bark of Mexican plum(?) on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 30, 2013
Cracked ruffle lichen (Parmotrema reticulatum, Rimelia reticulata) on bark of hackberry tree in Lemontree Park. College Station, Texas, January 2, 2019
Film-like papery peeling curls of bark of river birch (Betula nigra) on Deer Run Trail in Lick Creek Park. College Station, Texas, August 28, 2008
Brown and pinkish papery strips of bark of river birch (Betula nigra) on Deer Run Trail in Lick Creek Park. College Station, Texas, August 28, 2008
Burnt pine bark on a ground in Bastrop State Park. Bastrop, Texas, December 17, 2011
Exfoliating bark of river birch (Betula nigra) in Lick Creek Park. College Station, Texas, December 18, 2011
Brown and pinkish papery strips of bark of river birch (Betula nigra) in Lick Creek Park. College Station, Texas, December 18, 2011
Rough tree bark in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
Tree bark on Racoon Run Trail in Lick Creek Park. College Station, Texas, November 1, 2012
Corky bark in Lick Creek Park. College Station, Texas, November 30, 2012
Birch bark with orange carotenoid pigments of green alga Trentepohlia umbrina on Krasnodolinnaya Alley in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, December 31, 2015
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
Holes bored by Yellow-Bellied Sapsucker birds in a tree bark in Lick Creek Park. College Station, Texas, December 24, 2010
Bark of hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 20, 2012
Oaks with peeling bark in Bastrop State Park. Bastrop, Texas, January 5, 2013
Bark of a tree on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
Bark of a larch tree on Maryinskaya Alley in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, January 14, 2017
Warty lichen (Pertusaria) on magnolia bark in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 5, 2019
Twisted bark of osage orange near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
Papery texture of bark of river birch (Betula nigra) in Lick Creek Park. College Station, Texas, December 18, 2011
Warts on the bark of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
Bark of an oak tree in Boonville Cemetery. Bryan, Texas, November 14, 2012
Texture of bark of hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 17, 2012
Detail of oak bark in Birch Creek Unit of Somerville Lake State Park, July 14, 2013
Bark of old sidra tree (Ziziphus) on Al Nada Street in Al Doha Al Jadeeda area. Doha, Qatar, March 21, 2014
Birch bark on Krasnodolinnaya Alley in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, December 31, 2015
Rough birch bark on Krasnodolinnaya Alley in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, December 31, 2015
Bark pattern of desert fan palm (Washingtonia filifera or may be robusta) in a park at Al Intisar Street near a corner with Onaiza. Doha, Qatar, February 2, 2016
A bark of an oak in City Park near City Park Avenue. New Orleans, Louisiana, August 9, 2006
Sacred fig (Bo-Tree, Ficus religiosa) tree with brown bark near Abdullah Bin Thani Street, Musheirib area. Doha, Qatar, March 1, 2013
Line of holes bored by Yellow-Bellied Sapsucker birds (sapwells) in a tree bark on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
Texture of tree bark in Lick Creek Park. College Station, Texas, December 14, 2012
Oak bark in Birch Creek Unit of Somerville Lake State Park, July 14, 2013
Dead tree bark in swampy area near Racoon Run Trail in Lick Creek Park. College Station, Texas, January 14, 2011
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
Bark of dead hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
Bark of river birch (Betula nigra) in Lick Creek Park. College Station, Texas, December 18, 2011
Exfoliating papery strips of bark of river birch (Betula nigra) in Lick Creek Park. College Station, Texas, December 18, 2011
Film-like papery peeling curls of bark of river birch (Betula nigra) in Lick Creek Park. College Station, Texas, December 18, 2011
Texture of bark of river birch (Betula nigra) in Lick Creek Park. College Station, Texas, December 18, 2011
Peeling curls of bark of river birch (Betula nigra) in Lick Creek Park. College Station, Texas, December 18, 2011
Papery peeling curls of bark of river birch (Betula nigra) in Lick Creek Park. College Station, Texas, December 18, 2011
Papery strips of bark of river birch (Betula nigra) in Lick Creek Park. College Station, Texas, December 18, 2011
Bark texture of osage orange in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 24, 2011
Exfoliating bark on a dead tree in Bastrop State Park. Bastrop, Texas, September 15, 2012
Oak bark texture in Lick Creek Park. College Station, Texas, October 2, 2012
Texture of tree bark in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 20, 2012
Bark of water oak in Lick Creek Park. College Station, Texas, November 30, 2012
Bark of lacebark elm tree (Ulmus parvifolia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, December 27, 2012
Bark of dead oak on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
Patterns of bark of dead oak on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
Texture of bark of dry oak tree on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
Bark of chinaberry tree on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 28, 2013
Crowded parchment mushrooms (Stereum complicatum) growing on oak bark at Iron Bridge Trail in Lick Creek Park. College Station, Texas, October 17, 2013
Tree bark on Raccoon Run Trail in Lick Creek Park. College Station, Texas, December 19, 2013
Brown bark of Sacred fig (Bo-Tree, Ficus religiosa) near Abdullah Bin Thani Street in Musheirib area. Doha, Qatar, March 14, 2014
Bark of water oak in Lick Creek Park. College Station, Texas, July 3, 2014
Bark of river birch in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, July 5, 2014
Bark beetle taken from Lick Creek Park. College Station, Texas, July 26, 2014
Ventral view of a bark beetle taken from Lick Creek Park. College Station, Texas, July 26, 2014
Mixed bark and crystals for sale in spice section in Souq Waqif (Old Market). Doha, Qatar, December 23, 2014
Blue, green and yellow bark and crystals for sale in spice section in Souq Waqif (Old Market). Doha, Qatar, December 23, 2014
