Bark of river birch (Betula nigra) in Lick Creek Park. College Station, Texas, December 24, 2010
Warty texture with corky ridges of bark of hackberry (Celtis occidentalis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2010.
Corky ridges of bark of hackberry (Celtis occidentalis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2010
Bark of an oak tree on Hoots Hollow Trail in Brazos Bend State Park. Needville, Texas, April 11, 2009
Bark of alligator juniper in McKittrick Canyon. Guadalupe Mountains National Park, Texas, December 28, 2007
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 occidentalis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 30, 2010
Bark of cedar tree in Boonville Cemetery. Bryan, Texas, December 17, 2010
Corky bark of hackberry (Celtis occidentalis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 30, 2010
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
Shoot of a vine on a tree, with patches of cracked, white crust on bark and red, with irregular white rims fruiting bodies of Blood-spot lichen (Haematomma accolens) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 15, 2009
Bark on a fallen tree near Racoon Run Trail in Lick Creek Park. College Station, Texas, December 21, 2010
Pupae on bark of a pine at Breakneck Trail in Freetown - Fall River State Forest. Massachusetts, October 11, 2003
Warts on bark of hackberry (Celtis occidentalis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2010.
Puzzle-like bark of a fallen sycamore near Gorge Trail in Taughannock Falls State Park. Ithaca, New York, October 11, 2005
Warty texture of bark of hackberry (Celtis occidentalis) 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
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
Line of holes bored by Yellow-Bellied Sapsucker birds in a tree bark in Lick Creek Park. College Station, Texas, December 24, 2010
Smooth white bark of Texas madrone on Devils Hall Trail in Pine Spring Canyon. Guadalupe Mountains National Park, Texas, December 28, 2007
Small holes bored by Yellow-Bellied Sapsucker birds in a tree bark in Lick Creek Park. College Station, Texas, December 24, 2010
Poison ivy on a bark of a tree in Delaware and Raritan Canal State Park. Kingston, New Jersey, May 7, 2007
Texture of bark of hackberry on Racoon Run Trail in Lick Creek Park. College Station, Texas, December 21, 2010
Poison ivy on bark of a tree, in Delaware and Raritan Canal State Park, near Harrison Street crossing. Princeton, New Jersey, May 1, 2007
Shoot of a vine on a tree, with patches of cracked, white crust on bark of Blood-spot lichen (Haematomma accolens) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 15, 2009
Holes bored by Yellow-Bellied Sapsucker birds in a tree bark in Lick Creek Park. College Station, Texas, December 24, 2010
Tree bark texture in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2010
Exfoliating bark of river birch (Betula nigra) in Lick Creek Park. College Station, Texas, December 24, 2010
Old holes bored by sapsuckers in warty bark of hackberry (Celtis occidentalis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 30, 2010
A bark of an oak in City Park near City Park Avenue. New Orleans, Louisiana, August 9, 2006
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
Exfoliating 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
Bark of sycamore in Lick Creek Park. College Station, Texas, January 4, 2011
Texture of bark of sycamore in Lick Creek Park. College Station, Texas, January 4, 2011
Bark of dead sycamore tree near Racoon Run Trail in Lick Creek Park. College Station, Texas, January 4, 2011
Bark texture near Racoon Run Trail in Lick Creek Park. College Station, Texas, January 4, 2011
Peeling bark on a tree near Racoon Run Trail in Lick Creek Park. College Station, Texas, January 4, 2011
Bark of hackberry tree near Racoon Run Trail in Lick Creek Park. College Station, Texas, January 4, 2011
Corky bark of hackberry tree near Racoon Run Trail in Lick Creek Park. College Station, Texas, January 4, 2011
Bark texture 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
Sapsucker holes in warty bark of hackberry near Racoon Run Trail in Lick Creek Park. College Station, Texas, January 14, 2011
Rough tree bark near Racoon Run Trail in Lick Creek Park. College Station, Texas, January 14, 2011
Dead tree bark in swampy area near Racoon Run Trail in Lick Creek Park. College Station, Texas, January 14, 2011
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
Sycamore bark in swampy area near Racoon Run Trail in Lick Creek Park. College Station, Texas, January 14, 2011
Bark of Horse apple (osage orange) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 16, 2011
Orange bark of Horse apple (osage orange) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 16, 2011
Tree bark in Nikolskoe Cemetery of Alexander Nevsky Lavra. Saint Petersburg, Russia, May 25, 2011
Bark of osage orange near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
Twisted bark of osage orange near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
Details of bark of osage orange near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
Bark of hackberry (Celtis occidentalis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
Warts on bark of hackberry (Celtis occidentalis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
Bark of dry hackberry (Celtis occidentalis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
Decomposing bark of dry hackberry (Celtis occidentalis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
Bark of dead hackberry (Celtis occidentalis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
Detail of bark of dead hackberry (Celtis occidentalis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
Detail of bark of dry hackberry (Celtis occidentalis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
Burnt pine bark on a ground in Bastrop State Park. Bastrop, Texas, December 17, 2011
Bark of river birch (Betula nigra) in Lick Creek Park. College Station, Texas, December 18, 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
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
Papery texture of bark of river birch (Betula nigra) in Lick Creek Park. College Station, Texas, December 18, 2011
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
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
Tree bark in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
Rough tree bark in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
Peeling bark of dead hackberry 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
Blackened bark of dried tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
Warts on the bark of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
Bark of black willow in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
Rough bark of black willow 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
Burnt pine damaged by bark beetles in Bastrop State Park. Bastrop, Texas, September 15, 2012
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
Tree bark with sapsucker holes 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 hackberry (Celtis occidentalis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 20, 2012
Tree bark on Racoon Run Trail in Lick Creek Park. College Station, Texas, November 1, 2012
Bark of an oak tree in Boonville Cemetery. Bryan, Texas, November 14, 2012
Fibrous texture of cedar tree bark in Boonville Cemetery. Bryan, Texas, November 14, 2012
Warty texture of bark of hackberry (Celtis occidentalis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 17, 2012
Texture of bark of hackberry (Celtis occidentalis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 17, 2012
Bark of water oak in Lick Creek Park. College Station, Texas, November 30, 2012
Corky bark in Lick Creek Park. College Station, Texas, November 30, 2012
Texture of tree bark in Lick Creek Park. College Station, Texas, December 14, 2012
Bark of elm tree in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, December 27, 2012
Peeling oak bark on Roosevelt s Cutoff Trail in Bastrop State Park. Bastrop, Texas, January 5, 2013
Oaks with peeling bark in Bastrop State Park. Bastrop, Texas, January 5, 2013
Peeled oak bark on the ground in Bastrop State Park. Bastrop, Texas, January 5, 2013
Texture of cypress bark in Pedernales Falls State Park. Johnson City, Texas, January 12, 2013
Tree bark in Koporye Fortress. Leningrad Region, Russia, February 9, 2013
Tree with brown bark near Abdullah Bin Thani Street, Musheirib area. Doha, Qatar, March 1, 2013
