 Green milkweed (Antelope horns, asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 14, 2008
 Green milkweed (Antelope horns, asclepias viridis) near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2008
 Antelope horns milkweed (Asclepias viridis) 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 (Antelope horns, asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 1, 2012
 Green milkweed (Antelope horns, asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2020
 Green milkweed (Antelope horns, asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, April 4, 2009
 Green milkweed (Antelope horns, asclepias viridis) with aphids in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 1, 2012
 Inflorescence of green milkweed (Antelope horns, asclepias viridis) 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
 Flower buds of green milkweed (Antelope horns, asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 1, 2012
 Green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, April 5, 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 flowers of Green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, April 5, 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 milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2014
 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, 2010
 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, July 4, 2020
 Green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 28, 2014
 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
 Flowers 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) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020
 Blooming 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, 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
 Seed pods of green milkweed (Asclepias viridis) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2020
 Flower heads of green milkweed (Asclepias viridis) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020
 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
 Nymphs of red milkweed bugs on green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2020
 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
 Zizotes milkweed (Asclepias oenotheroides) near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2008
 Green flowers of Zizotes milkweed (Asclepias oenotheroides) near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2008
 Flower of green milkweed (Antelope horns, asclepias viridis) in Lick Creek Park. College Station, Texas, May 5, 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
 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
 Zizotes milkweed (Asclepias oenotheroides) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2014
 Zizotes milkweed (Asclepias oenotheroides) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 15, 2019
 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
 Flowers of Zizotes milkweed (Asclepias oenotheroides) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 15, 2019
 Milkweed (Asclepias), opened seedpod with seeds and fluff emerging, in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 12, 2010
 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
 Seeds of Antelope horns milkweed (Asclepias viridis) in Lick Creek Park. College Station, Texas, May 17, 2018
 Green milkweed (Antelope horns, Asclepias viridis) in Lick Creek Park. College Station, Texas, April 5, 2018
 Fluffy seeds of Antelope horns milkweed (Asclepias viridis) in Lick Creek Park. College Station, Texas, May 17, 2018
 Seed head of Antelope horns milkweed (Asclepias viridis) in Lick Creek Park. College Station, Texas, May 17, 2018
 Green milkweed (Antelope horns, asclepias viridis) in Lick Creek Park. College Station, Texas, April 5, 2018
 Green milkweed (Antelope horns, asclepias viridis) on Post Oak Trail in Lick Creek Park. College Station, Texas, April 18, 2018
 Blooming Zizotes milkweed (Hierba de Zizotes, Asclepias oenotheroides) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2020
 Zizotes milkweed (Hierba de Zizotes, Asclepias oenotheroides) on a lawn in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2020
 Flowers of Zizotes milkweed (Hierba de Zizotes, Asclepias oenotheroides) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2020
 Green milkweed (Antelope horns, asclepias viridis) on Yaupon Loop Trail in Lick Creek Park. College Station, Texas, April 21, 2019
 Wildflowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 31, 2008
 Cap of a toadstool in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2008
 Wild parsley(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 10, 2008
 Engelmann daisy (?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 31, 2008
 Grass in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 7, 2008
 Mexican hat flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 18, 2008
 Sandburs in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2008
 Pond in Washington-on-the-Brazos State Historic Site in fog. Washington, Texas, March 22, 2008
 Green grasshopper in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 31, 2008
 Zizotes milkweed (Hierba de Zizotes, Asclepias oenotheroides) with oleander aphids in a dried pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2020
 Indian paintbrush in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Bluebonnet in morning dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Berries of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 3, 2008
 Red paintbrush at sunrise in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Spiderwort flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2008
 Prairie parsley flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2008
 Yellow daisy in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 14, 2008
 Small aster in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2008
 Pink phlox in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2008
 Field of flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2008
 Fruit of magnolia in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 30, 2008
 Verbena (vervain) flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 31, 2008
 Engelmann s daisy in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2008
 A pond at morning in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 30, 2008
 Meadow with bluebonnet in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 5, 2008
 Grass and paintbrush in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2008
 Bluebonnet flower in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2008
 Winecup flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2008
 Aster flowers in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2008
 Ladybird with aphids in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2008
 Paintbrush flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2008
 Immature katydid on beebalm in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 31, 2008
 Blooming magnolia tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 31, 2008
 Goldenrod (Solidago) in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2008
 Roots of vine in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 7, 2008
 Thistle flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 27, 2008
 Group of 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
 Millipede feeding on blackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 10, 2008
 Sky over Washington-on-the-Brazos State Historic Site, view from Ferry Street. Washington, Texas, May 3, 2008
 Vervain (Verbena) inflorescence in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 14, 2008
 Purple thistle flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 27, 2008
 Indian paintbrush plants in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
 Lemon Indian paintbrush in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 19, 2008
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