 Beebalm (Monarda punctata) and black-eyed susan (Rudbeckia hirta) flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2010
 Flowers of black eyed susan (Rudbeckia hirta) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 20, 2018
 Field of black eyed susan flowers (Rudbeckia hirta) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 20, 2018
 Black-eyed susan (Rudbeckia hirta) with Scudder s Bush Katydid in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2010
 Black-eyed susan (Rudbeckia hirta) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 17, 2014
 Black-eyed susan (Rudbeckia hirta) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2012
 Field of Black Eyed Susan (Rudbeckia hirta) on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 4, 2012
 Early blooming black eyed susan flower (Rudbeckia hirta) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 8, 2021
 Opening flower of black-eyed susan (Rudbeckia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2009
 Opening flower of black-eyed susan (Rudbeckia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2009
 Black eyed susan with tachinid fly in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 4, 2012
 Black eyed susan and blue phlox in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 4, 2012
 Insects on petals of black-eyed susan in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2012
 Black Eyed Susan and beebalm near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 4, 2012
 Dense field of Black Eyed Susan near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 4, 2012
 Black Eyed Susan and field parsley near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 4, 2012
 Two flowers of black-eyed susan (Rudbeckia hirta) on a trail in Sam Houston National Forest, near Road 149, near Richards. Texas, May 15, 2010
 Yellow flowers of black-eyed susan (Rudbeckia hirta) on a trail in Sam Houston National Forest, near Road 149, near Richards. Texas, May 15, 2010
 Field of black-eyed susan (Rudbeckia hirta) flowers near Clay, view from Road 50, south from College Station, May 17, 2010
 Black eye susan flowers carpeting a field near Visitor complex in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 2, 2007
 Flower of black-eyed susan (Rudbeckia hirta) on a trail in Sam Houston National Forest, near Road 149, near Richards. Texas, May 15, 2010
 Flowers of Black eyed susan (Rudbeckia hirta) in Lick Creek Park. College Station, Texas, May 7, 2012
 Black Eyed Susan (Rudbeckia hirta) flowers in Lick Creek Park. College Station, Texas, May 3, 2012
 Black-eyes susan flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 27, 2008
 Black-eyed susan (Rudbeckia hirta) flower on Post Oak Trail in Lick Creek Park. College Station, Texas, May 19, 2010
 Yellow flower of black-eyed susan (Rudbeckia hirta) on a trail in Sam Houston National Forest, near Road 149, near Richards. Texas, May 15, 2010
 Stick caterpillar on black-eye susan flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 27, 2008
 Flowers of Black Eyed Susan (Rudbeckia hirta) on Post Oak Trail in Lick Creek Park. College Station, Texas, May 11, 2020
 Black eyed susan flowers (coneflowers, Rudbeckia hirta) near Post Oak Trail in Lick Creek Park. College Station, Texas, May 27, 2007
 Black eyed susan flowers (Rudbeckia hirta) in Lake Bryan Park. Bryan, Texas, May 16, 2018
 Masses of black eyed susan flowers (Rudbeckia hirta) in Lake Bryan Park. Bryan, Texas, May 16, 2018
 Black-eyed susan (Rudbeckia hirta) and Mock Bishop s Weed (Ptilimnium nuttali) on Post Oak Trail in Lick Creek Park. College Station, Texas, May 27, 2010
 Black eyed susan flowers (Rudbeckia hirta) on a power line cutting in Lake Bryan Park. Bryan, Texas, May 16, 2018
 Black eyed susan flowers (Rudbeckia hirta) with Mock bishop s weed (Ptilimnium nuttallii) near Post Oak Trail in Lick Creek Park. College Station, Texas, May 27, 2007
 Black Eyed Susan (Rudbeckia hirta) in Lick Creek Park. College Station, Texas, May 11, 2020
 Black eyed susan (Rudbeckia hirta) in Lick Creek Park. College Station, Texas, May 10, 2012
 Black-eyed susan (Rudbeckia hirta) on Richards Loop Trail in Sam Houston National Forest. Texas, May 10, 2020
 Flower of black-eyed susan (Rudbeckia hirta) in Lick Creek Park. College Station, Texas, May 22, 2012
 Black eyed susan flower (Rudbeckia hirta) in Lick Creek Park. College Station, Texas, May 4, 2020
 Caterpillar of black swallowtail butterfly (Papilio polyxenes) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 29, 2010
 Caterpillar of black swallowtail butterfly (Papilio polyxenes) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 23, 2010
 Dense stand of Black Eyed Susan (Rudbeckia hirta) in Lick Creek Park. College Station, Texas, May 3, 2012
 Back lit flower of black-eyed susan (Rudbeckia hirta) in Lick Creek Park. College Station, Texas, May 22, 2012
 Odd shaped flower of black-eyed susan (Rudbeckia hirta) in Lick Creek Park. College Station, Texas, May 22, 2012
 Mature flower of black-eyed susan (Rudbeckia hirta) in Lick Creek Park. College Station, Texas, May 22, 2012
 Orange flower of black-eyed susan (Rudbeckia hirta) in Lick Creek Park. College Station, Texas, May 22, 2012
 Black Eyed Susan (Rudbeckia hirta) on Post Oak Trail in Lick Creek Park. College Station, Texas, May 11, 2020
 Black Eyed Susan (Rudbeckia hirta) and curly dock (Rumex) in Lick Creek Park. College Station, Texas, May 3, 2012
 Black eyed susan flower (Rudbeckia hirta) near Post Oak Trail in Lick Creek Park. College Station, Texas, May 27, 2007
 Black-eyed susan (Rudbeckia hirta) in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, May 18, 2014
 Black Eyed Susan (Rudbeckia hirta) and soft golden aster in Lick Creek Park. College Station, Texas, May 3, 2012
 Field of prairie parsley (Polytaenia texana), home of many black swallowtail caterpillars, in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2010
 Black eyed susan flower (Rudbeckia hirta) in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, May 26, 2012
 Phacelia flowers in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 26, 2010.
 Phacelia flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 19, 2010.
 Mexican hat flowers (Ratibida columnaris) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2010
 Orange lantana flowers with dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 18, 2010
 Mexican hat flowers (Ratibida columnaris) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2010
 Dry seed heads of Black eyed susan (Rudbeckia hirta) in dew from Post Oak Trail in Lick Creek Park. College Station, Texas, October 30, 2012
 Blooming black eyed susan (Rudbeckia hirta) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Black-eyed susan (Rudbeckia hirta) and Mock Bishop s Weed (Ptilimnium nuttali) in Lick Creek Park. College Station, Texas, May 7, 2012
 Black eyed susan flower (Rudbeckia hirta) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Black Eyed Susan (Rudbeckia hirta) and Mock Bishop s Weed (Ptilimnium nuttali) in Lick Creek Park. College Station, Texas, May 3, 2012
 Black eyed susan flower (Rudbeckia hirta) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 15, 2019
 Flowers of Spotted beebalm (Monarda punctata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 23, 2010
 Black Eyed Susan (Rudbeckia hirta) and Mock Bishop s Weed (Ptilimnium nuttali) in Lick Creek Park. College Station, Texas, April 30, 2012
 Field of black-eyed susan (Rudbeckia hirta) and Mock Bishop s Weed (Ptilimnium nuttali) in Lick Creek Park. College Station, Texas, May 7, 2012
 Tumbling flower beetle and a snout beetle (white-scaled flower weevil, Odontocorynus denticornis) on a black-eyes susan flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 27, 2008
 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
 Black-eyed susan (Rudbeckia hirta) and Mock Bishop s Weed (Ptilimnium nuttali) near Post Oak Trail in Lick Creek Park. College Station, Texas, May 18, 2012
 Black-eyed susan (Rudbeckia hirta) and Mock Bishop s Weed (Ptilimnium nuttali) at Post Oak Trail in Lick Creek Park. College Station, Texas, May 18, 2012
 Closed flowers of purple gerardia (false foxglove, Agalinis purpurea) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2010
 Black-eyed susan (Rudbeckia hirta) and Mock Bishop s Weed (Ptilimnium nuttali) near Post Oak Trail at sunrise in Lick Creek Park. College Station, Texas, May 18, 2012
 Field of Black-eyed susan (Rudbeckia hirta) and Mock Bishop s Weed (Ptilimnium nuttali) near equestrian entrance in Lick Creek Park. College Station, Texas, May 18, 2012
 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
 Field of bluebonnets and paintbrush flowers at Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 Field of bluebonnets and paintbrush flowers in mist at Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 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
 Medallion lichen (Dirinaria confusa) with black apothecia in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 Black apothecia of medallion lichen (Dirinaria confusa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
 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
 Pepper-like lichen Sarcogyne regularis(?) with black cyanobacteria on sandstone in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2020
 Bahia grass (Paspalum notatum) with black anthers on a lawn in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 2, 2020
 Sooty black mold (fungal growth) on hackberry leaves in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020
 Sooty black mold fungus on leaves of a hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Blooming poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 1, 2010
 Crane fly in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 19, 2010.
 Pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 28, 2010
 Lichens on a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2010
 Black velvet leatherleaf slug Belocaulus angustipes on Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 2, 2020
 Green grasshopper in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2010
 Buttercup (Ranunculus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 19, 2010.
 Head of a grasshopper in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 9, 2010
 Reflections in a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 28, 2010
 Blooming plum(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 19, 2010.
 Beebalm (Monarda punctata) in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2010
 Indian paintbrush in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 26, 2010.
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