 Field of black eyed susan flowers (Rudbeckia hirta) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 15, 2024
 Field of black eyed susan flowers (Rudbeckia hirta) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 20, 2018
 White daisies, black eyed susan, and beebalm flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 15, 2024
 Black Eyed Susan and field parsley 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
 Field of Black Eyed Susan (Rudbeckia hirta) on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 4, 2012
 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
 Dry flowers of black eyed susan (Rudbeckia hirta) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 20, 2022
 Beebalm (Monarda punctata) and black-eyed susan (Rudbeckia hirta) flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2010
 Black eye susan flowers carpeting a field near Visitor complex in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 2, 2007
 Field of Mexican hat flowers (Ratibida columnifera) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 15, 2024
 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
 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
 Black Eyed Susan and beebalm near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 4, 2012
 Opening flower of black-eyed susan (Rudbeckia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2009
 Opening flower of black-eyed susan (Rudbeckia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2009
 Insects on petals of black-eyed susan in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 24, 2012
 Black-eyed susan (Rudbeckia hirta) with Scudder s Bush Katydid in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2010
 Early blooming black eyed susan flower (Rudbeckia hirta) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 8, 2021
 Black-eyes susan flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 27, 2008
 Stick caterpillar on black-eye susan flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 27, 2008
 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
 Mexican hat flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 18, 2008
 Two Mexican hat flowers grown together in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 10, 2008
 Group of Mexican hat flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 18, 2008
 Mexican hat flowers (Ratibida columnaris) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
 Mexican hat flowers at sunrise in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 9, 2008
 Mexican hat flowers (Ratibida columnaris) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2010
 Mexican hat flowers (Ratibida columnifera) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 20, 2018
 Two Mexican hat flowers (Ratibida columnifera) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 18, 2008
 Mexican hat flowers (Ratibida columnaris) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2010
 Mexican hat flowers (Ratibida columnifera) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 5, 2022
 Mexican hat flowers (Ratibida columnifera) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 20, 2018
 Dark colored Mexican hat flowers (Ratibida columnifera) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 20, 2018
 Leaves of Mexican hat flowers (Ratibida columnifera) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 20, 2022
 Mexican hat flowers (Ratibida columnaris) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
 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
 Field of flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 25, 2018
 A field of flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 2, 2007
 Field of flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2008
 Field of wildflowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 15, 2024
 Field of flowers near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 4, 2012
 A field of yellow flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 2, 2007
 Mexican hat (Ratibida columnaris) cylindrical flowerhead with dark red-purple disk flowers and yellow and brown ray flowers on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 9, 2008
 Flowers carpeting a field near Visitor complex in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 2, 2007
 Field of bluebonnets and cutleaf groundsel flowers from a fence of Washington-on-the-Brazos State Historic Site. Washington, Texas, March 25, 2018
 Black dots on a fallen oak leaf (some fungus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 15, 2024
 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 wildflowers at Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 Field of bluebonnets at Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2009
 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
 Flowers of green milkweed (Asclepias viridis) in a field on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 White prickly poppy flower on field near Old Washington Town Site Loop Trail of Washington-on-the-Brazos State Historic Site. Washington, Texas, June 2, 2007
 Cluster of flowers of green milkweed (Asclepias viridis) in a field on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Opening flowers of green milkweed (Asclepias viridis) in a field on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Photographer with a tripod taking pictures of a field of bluebonnets at Old Washington Town Site Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 4, 2009
 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
 Mexican hat (Ratibida columnifera) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 5, 2022
 Spores (spore print black) of a larger Psathyrella mushroom from a lawn, collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
 Asci and paraphyses(?) of a fungus showing as black dots on a fallen oak leaf (x40 objective, in KOH), collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 15, 2024
 Pink phlox flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
 Blooming Mexican hat (Ratibida columnifera) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
 Mexican hat flower (Ratibida columnifera) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
 Mexican hat flower (Ratibida columnifera) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 2, 2018
 Mexican hat flower (Ratibida columnifera) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 17, 2014
 Mexican hat flower (Ratibida columnifera) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2009
 Asci and paraphyses(?) of a fungus showing as black dots on a fallen oak leaf (x40 objective, in Congo red), collected in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 15, 2024
 Yellow Mexican hat flower (Ratibida columnifera) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 17, 2014
 Mexican hat flower (Ratibida columnifera) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 21, 2018
 Mexican hat flower (Ratibida columnifera) in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2012
 Mexican hat flower (Ratibida columnifera) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2012
 Mexican hat flower with a bee on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 9, 2008
 Young grasshopper on Mexican hat flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 5, 2010
 Flower head of Mexican hat (Ratibida columnaris) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2010
 Cylindrical flowerhead of Mexican hat (Ratibida columnaris) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 31, 2008
 Orange Mexican hat flower (Ratibida columnifera) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 17, 2014
 Mexican hat flower (Ratibida columnaris) with a caterpillar in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
 Prickleseed buttercup flowers (Ranunculus muricatus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
 Cylindrical part of a flower of Mexican hat (Ratibida columnifera) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2009
 Basal leaves of Mexican hat (Ratibida columnaris) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Field of lupin and paintbrush flowers in Washington-on-the-Brazos Historic Site, near Loop trail. Washington, Texas, March 30, 2008
 Field of bluebonnet and paintbrush flowers in Washington-on-the-Brazos Historic Site, near Loop trail. Washington, Texas, March 30, 2008
 Blue spiderwort (Tradescantia) flowers and hairy leaves in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
 Blue flowers of toad flax (Linaria texana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
 Mexican hat flower (Ratibida columnaris) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 27, 2021
 Mexican hat flower (Ratibida columnaris) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Mexican Hat wildflower near a loop trail in northern part of Washington-on-the-Brazos State Historic Site. Washington, Texas, June 2, 2007
 Blooming Mexican hat flower (Ratibida columnaris) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 3, 2020
 Mexican Hat wildflowers on roadside of loop trail in northern part of Washington-on-the-Brazos State Historic Site. Washington, Texas, June 2, 2007
 Blue and white, snapdragon like flowers of branched broomrape (Orobanche ramosa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 26, 2024
 Long, cone-shaped receptacle of Mexican hat flower (Ratibida columnifera) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 27, 2008
 Golden headed weevil (Compsus auricephalus) snout beetle on Mexican hat flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 10, 2008
 Wildflowers on a field in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 4, 2022
 Field of wildflowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 21, 2009
 A field near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 8, 2012
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