 Immature katydid on beebalm in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 31, 2008
 Green flowers of Zizotes milkweed (Asclepias oenotheroides) near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2008
 Green milkweed (Antelope horns, asclepias viridis) near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2008
 Prickly poppy flower with immature katydid in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 27, 2008
 Bull nettle (Mala mujer, Cnidoscolus texanus) flower with immature katydid in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 27, 2008
 Green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, April 5, 2008
 Opening flowers of Green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, April 5, 2008
 Zizotes milkweed (Asclepias oenotheroides) near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2008
 Large Milkweed Bug (Oncopeltus fasciatus) on Green milkweed (Asclepias viridis) flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2008
 Green lynx spider on bull nettle near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2008
 Inflorescence of Zizotes milkweed (Hierba de Zizotes, Asclepias oenotheroides) near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2008
 Green milkweed (Antelope horns, asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 14, 2008
 Green milkweed (Asclepias viridis) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020
 Green milkweed (Asclepias viridis) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Flowers of green milkweed (Asclepias viridis) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
 Inflorescence of green milkweed (Asclepias viridis) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Flowers of green milkweed (Asclepias viridis) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Blooming green milkweed (Asclepias viridis) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020
 Flowers of green milkweed (Asclepias viridis) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020
 Green milkweed (Asclepias viridis) in bloom on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Seed pods of green milkweed (Asclepias viridis) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
 Green milkweed (Asclepias viridis) in a field on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Blooming green milkweed (Asclepias viridis) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Green flowers of milkweed Asclepias viridis on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Green milkweed (Asclepias viridis) in bloom on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020
 Green inflorescence of milkweed Asclepias viridis on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Masses of flowers of green milkweed Asclepias viridis on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 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
 Green milkweed (Asclepias viridis) in a field of grass on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Cluster of green flowers of milkweed Asclepias viridis on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Close-up of flowers of green milkweed (Asclepias viridis) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Flower heads of green milkweed (Asclepias viridis) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020
 Flower buds of green milkweed Asclepias viridis on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2014
 Green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 4, 2020
 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
 Monarch caterpillars feeding on green milkweed (Asclepias viridis) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020
 Red paintbrush at sunrise with a katydid in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Katydid on Indian paintbrush in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Green milkweed (Antelope horns, asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 1, 2012
 Nymphs of red milkweed bugs on green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2020
 Young katydid on paintbrush flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2008
 Large milkweed bug (Oncopeltus fasciatus) on Green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2010
 Milkweed bugs on seed pods of green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 24, 2020
 Inflorescence of green milkweed (Antelope horns, asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 1, 2012
 Green milkweed (Antelope horns, asclepias viridis) with aphids in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 1, 2012
 Fruits of green milkweed (Antelope horns, asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2014
 Green lynx spider on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 21, 2008
 Nymph of large milkweed bug (Oncopeltus fasciatus) on milkweed seeds in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 31, 2008
 Young katydid on white prickly poppy in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 3, 2008
 Dehisced seedpod releasing seeds, with attached coma (tuft of fluff) of milkweed (Asclepias) on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 9, 2008
 Flower buds of green milkweed (Antelope horns, asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 1, 2012
 Antelope horns milkweed (Asclepias viridis) in Washington-on-the-Brazos Historic Site, near Loop trail. Washington, Texas, March 30, 2008
 Closed flowers of Antelope horns milkweed with a hairy seed in Washington-on-the-Brazos Historic Site, near Loop trail. Washington, Texas, March 30, 2008
 Opening flower of Antelope horns milkweed (Asclepias viridis) in Washington-on-the-Brazos Historic Site, near Loop trail. Washington, Texas, March 30, 2008
 Green milkweed together with flax in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
 Late flower of Indian paintbrush near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2008
 Green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 28, 2014
 Green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2010
 Green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2023
 Green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 25, 2013
 Green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 8, 2021
 Green milkweed (Asclepias viridis) in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 20, 2013
 Green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
 Green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Green lynx spider on bull nettle (mala mujer) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2008
 Assassin bug (Apiomerus) on green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 1, 2010
 Seed pods of green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 24, 2020
 Green milkweed (Asclepias viridis) with a bumblebee in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 27, 2021
 Blooming green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021
 Flowers of green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
 Green milkweed (Antelope horns, asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, April 4, 2009
 Green milkweed (Antelope horns, asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2020
 Flower head of green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022
 Green milkweed (Antelope horns, asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 28, 2022
 Milkweed seeds with attached coma (tuft of fluff) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 31, 2008
 Inflorescence of milkweed Asclepias viridis on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Blooming milkweed Asclepias viridis on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021
 Fruit of green milkweed (Asclepias viridis) with aphids Aphis nerii in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 27, 2021
 Milkweed seeds in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 10, 2011
 Green grasshopper in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 31, 2008
 Zizotes milkweed (Asclepias oenotheroides) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2014
 Tuft of fluff of milkweed seeds in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 10, 2011
 Pleated inkcap mushrooms (Parasola plicatilis, Coprinus plicatilis) on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2008
 Green berries of poison ivy on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2009
 Goldenrod on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 21, 2008
 Thistle flower near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2008
 Bluebonnet in morning dew near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Bluebonnet flowers in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, April 5, 2008
 Vervain flower in dew in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, April 5, 2008
 Mexican hat flower with a bee on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 9, 2008
 Bluebonnet flowers in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, March 28, 2008
 Vervain (Verbena) on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 9, 2008
 White prickly poppy (Argemone albiflora) with a katydid in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 27, 2012
 Green lynx spider on Engelmann s daisy flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 10, 2008
 Snow-on-the-prairie with a green lynx spider in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 30, 2008
 Late blooming Indian paintbrush (Castilleja indivisa) with oval bright-reddish pink flower leaf bracts near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2008
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