 Yellow Water-weed (Ludwigia peploides) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 29, 2010
 Yellow Water-weed (Ludwigia peploides) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 29, 2010
 Floating primrose-willow (Ludwigia peploides) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2014
 Flowers of floating primrose-willow (Ludwigia peploides) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2014
 Groundsel (butterweed, squaw weed, Senecio) with spider web in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 26, 2010.
 Back-lit leaf of mustang grape in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 31, 2010.
 Yellow garden spider (Argiope aurantia) on a web with dense zigzags of silk (stabilimentum) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 21, 2010
 Back-lit scarlet pimpernel (Anagallis arvensis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 31, 2010.
 Back lit showy evening primrose (Oenothera speciosa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2010
 Brown tree bark in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 29, 2010
 Butterfly in dew (ventral view) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 21, 2010
 Morning Glory (Ipomoea cordatotriloba) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 21, 2010
 Fragrant flatsedge (Cyperus odoratus)(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 29, 2010
 Puncturevine (Caltrop, Tribulus terrestris) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 7, 2010
 Yellow pea like flowers of rattlebush (Sesbania drummondii) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 15, 2009
 Tiny yellow flower like evening primrose in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 14, 2009
 Flower of puncturevine (Caltrop, Tribulus terrestris) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 29, 2010
 Flower of Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 21, 2010
 Green Metallic Bee (Agapostemon) on pink powderpuff mimosa in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 7, 2010
 White bishops weed-like flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2008
 Cucumber weed (Parietaria pensylvanica) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Blooming squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2022
 Blooming squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Flowers of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 9, 2019
 Squaw-weed flower (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 5, 2008
 Leaves of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 20, 2022
 Squaw-weed flower (Senecio ampullaceus) in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2008
 Leaves of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 7, 2024
 Flower of Purple gerardia (false foxglove, Agalinis purpurea) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 29, 2010
 Slender orange bush lichen (Teloschistes exilis) on a twig in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 29, 2010
 Green lynx spider on Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 21, 2010
 Green lynx spider on Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 29, 2010
 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.
 Duckweed and yellow water-weed (Ludwigia peploides) in Flag Pond on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, April 26, 2020
 Back lit flower of buttercup in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 27, 2012
 Some back lit leaf in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 1, 2012
 Back lit leaf of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 27, 2012
 Rosette of leaves of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021
 Flower buds of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2022
 Rosette of leaves of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Unfolding leaves of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 11, 2023
 Flower buds of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
 Cutleaf groundsel (butterweed, squaw weed, Senecio) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 15, 2009
 Spreading aquatic plant yellow water-weed (Ludwigia peploides) in a creek in Bee Creek Park. College Station, Texas, May 14, 2018
 Close up of green lynx spider on Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 21, 2010
 Back lit phlox flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2023
 Back lit acacia leaf in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 9, 2012
 Back lit shoot of cedar elm in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 9, 2019
 Back lit shoot of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 3, 2021
 Yellow color variant of Mexican hat flower (Ratibida columnifera) on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 9, 2008
 Opening flowers of groundsel (butterweed, squaw weed, Senecio) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Basal rosette of leaves of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 8, 2021
 Winter rosette of leaves of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021
 Flower buds of groundsel (butterweed, squaw weed, Senecio) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Basal rosette of leaves of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2022
 Shoot of squaw-weed (Senecio ampullaceus) with flower buds in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
 Back lit spotted beebalm (Monarda punctata(?)) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2020
 Back lit leaves of red buckeye (Aesculus pavia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Back lit shoot of snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 12, 2020
 Back lit leaf of eastern poison ivy (Toxicodendron radicans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 13, 2020
 Back lit violet ruella (Ruellia nudiflora) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 27, 2013
 Back lit flower of Morning Glory (Ipomoea cordatotriloba) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2019
 Back lit flower of showy evening primrose (Oenothera speciosa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
 Back lit lemon beebalm (purple horsemint, Monarda citriodora) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 27, 2012
 Back lit flowers of balloon vine (Cardiospermum halicacabum) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2012
 Back lit Four O clock flower (Mirabilis) at Robinson s Ferry Overlook in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 16, 2011
 Old water cistern in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 20, 2013
 A field behind a water cystern in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 25, 2018
 Accumulation of water in a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 19, 2011
 Leaves of squaw-weed (Senecio ampullaceus) with light yellow areas on leaves caused by sunflower white rust fungus Pustula tragopogonis (Pustula obtusata, Albugo tragopogonis)(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 A pond filling by water after a draught in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 8, 2012
 Shoot of nettle with water drops in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 8, 2021
 Some floating clay balls in a shallow water pool in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 15, 2024
 Water drops on young leaf greenbrier (smilax) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 24, 2009
 Guttation (water droplets) of hydnoid corticioid mushroom on an oak log in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 6, 2021
 Hydnoid (tooth) corticioid mushroom with water droplets on an oak log in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 6, 2021
 Pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 28, 2010
 Blooming poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 1, 2010
 Lichens on a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2010
 Crane fly in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 19, 2010.
 Yellow daisy in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 14, 2008
 Small caterpillars in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 12, 2010
 Tree bark texture in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2010
 Head of a grasshopper in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 9, 2010
 Powderpuff (Mimosa strigillosa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 23, 2010
 Beebalm (Monarda punctata) 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.
 Reflections in a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 28, 2010
 Phacelia flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 19, 2010.
 Phaon(?) Crescent butterfly in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 29, 2010
 Beebalm (Monarda punctata) in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2010
 Blooming plum(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 19, 2010.
 Buttercup (Ranunculus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 19, 2010.
 Spiderwort (tradescantia) in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 19, 2010.
 Phacelia flowers in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 26, 2010.
 Lichens covering a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2010
 Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 28, 2010
 Folded leaves with dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2010
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