 Orange bark of Horse apple (osage orange) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 16, 2011
 Roots of Horse apple (osage orange) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 16, 2011
 Wet roots of Horse apple (osage orange) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 16, 2011
 Bark of Horse apple (osage orange) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 16, 2011
 Curved trunks of Horse apple (osage orange) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 16, 2011
 Horse apple (osage orange) in a frozen pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 10, 2010
 Horse apple (osage orange) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 1, 2012
 Horse apple (osage orange) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2012
 Horse apple (osage orange) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 16, 2008
 Horse apple (osage orange) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2012
 Rotting horse apple (osage orange) in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 20, 2012
 Close up of horse apple (osage orange) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2012
 Horse apple (osage orange) with reddish spots in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 21, 2009
 Horse apple (osage orange, green brains) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 21, 2008
 Turtle skeleton and a half-rotten horse apple (osage orange) among leaves of hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 20, 2012
 Horse apples (osage orange) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 17, 2012
 Bark of osage orange near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
 Bark texture of osage orange in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 24, 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
 Fruit of osage orange on a picnic table near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 23, 2009
 Orange dry leaves in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 10, 2011
 Fibrous tree trunk in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 16, 2011
 Fibrous tree trunk of cedar in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 16, 2011
 Orange butterfly in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 27, 2012
 Orange butterfly in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 9, 2012
 Orange lantana flowers with dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 18, 2010
 Orange butterfly near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2012
 Trunk of dead hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
 Trunk of dried hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
 Detail of trunk of dry hackberry (Celtis occidentalis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
 Blackened trunk of dead hackberry (Celtis occidentalis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 10, 2011
 White flower of prickly poppy (pricklepoppy, Argemone albiflora) with orange center and delicate crinkled petals in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2009
 Disturbed caterpillar of black swallowtail butterfly (Papilio polyxenes) in defensive pose showing orange horns (osmeterium) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 23, 2010
 Horse apple (osage orange) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, July 7, 2011
 Caterpillar of black swallowtail butterfly (Papilio polyxenes) in defensive pose retracting orange horns (osmeterium) and showing three pairs of front legs in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 23, 2010
 Orange Indian paintbrush (Castilleja indivisa) with oval bright-reddish pink flower leaf bracts and cut-off funnel-like red-tipped calyx in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Texture of Horse apple (osage orange) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, July 12, 2011
 Texture of Horse apple (osage orange) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, July 7, 2011
 Line of small holes with sap oozing from them bored by birds (Yellow-Bellied Sapsucker, Sphyrapicus varius) in trunk of hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 3, 2010.
 Trunk of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 30, 2010
 Grasshopper on a tree trunk in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 17, 2012
 Close up of a grasshopper on a tree trunk in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 17, 2012
 Scar of a trunk of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 30, 2010
 Horse nettle(?) (Solanum) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2009
 Flower of an apple-like tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 15, 2009
 Apple-like tree in bloom in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 15, 2009
 Horse nettle(?) (Solanum) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 3, 2008
 Horse in Barrington farm in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 27, 2008
 Grazing horse in Barrington farm in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 27, 2008
 Horse on a meadow in Barrington farm in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 27, 2008
 Wet log in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 16, 2011
 Wet stump in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 16, 2011
 Rotting tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 16, 2011
 Alligator texture of rotting tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 16, 2011
 Persimmon seeds in animal droppings on a trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 16, 2011
 Horse apple (osage orange, green brains) in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 26, 2009
 Seeds of horse-apple (Osage orange, Maclura) eaten by animals at Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, August 19, 2012
 Seeds of horse-apple (Osage orange, Maclura) eaten by squirrels on a park table in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, December 20, 2010
 Brazos River from Robinson s Ferry Overlook in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 24, 2011
 Brazos River from Robinson s Ferry Overlook in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 16, 2011
 A pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 20, 2013
 Lichens in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
 Oak alley in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 20, 2013
 Poison ivy near Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 Bluebonnets at Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 Field of wildflowers at Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 A field of wildflowers near Old Washington Town Site Loop Trail of Washington-on-the-Brazos State Historic Site. Washington, Texas, June 2, 2007
 Field of bluebonnets at Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 Wildflowers in mist at Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 Dry prairie in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 6, 2011
 Dry leaves in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 10, 2011
 Dry vegetation in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 8, 2011
 Dry pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 16, 2011
 Dry cedar and oak in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 8, 2011
 Skipper butterfly in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 7, 2011
 Crescent(?) butterfly in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 7, 2011
 Ferry Road in fog in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 20, 2013
 Partially dry pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 20, 2013
 Sapsucker holes in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
 Dry reeds near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 20, 2013
 Tree bark in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
 Mistletoe on a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
 Texture of hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
 Independence Hall in fog in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 20, 2013
 Old water cistern in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 20, 2013
 Field of wildflowers in mist at Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 Dry prairie grasses in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 14, 2011
 Brown leaves in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 10, 2011
 Tree foliage in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 16, 2011
 Fog on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 16, 2011
 Composition from trees in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 16, 2011
 Browned trees in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 16, 2011
 Dried prairie in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 14, 2011
 Dry prairie at sunrise in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 10, 2011
 Dying poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 6, 2011
 Dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 30, 2011
 Milkweed seeds in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 10, 2011
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