 Green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2014
 Green milkweed (Antelope horns, asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 14, 2008
 Fruits of green milkweed (Antelope horns, asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2014
 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
 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 4, 2020
 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 dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 20, 2013
 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 (Antelope horns, asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2020
 Green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, April 5, 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, April 4, 2009
 Green milkweed (Asclepias viridis) on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020
 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
 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) in bloom on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 28, 2020
 Opening flowers of Green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site, near Loop Trail. Washington, Texas, April 5, 2008
 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
 Flower buds of green milkweed (Antelope horns, asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 1, 2012
 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 (Antelope horns, asclepias viridis) near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2008
 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
 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 flowers of Zizotes milkweed (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
 Milkweed (Asclepias), opened seedpod with seeds and fluff emerging, in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 12, 2010
 Antelope horns (asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 10, 2008
 Zizotes milkweed (Asclepias oenotheroides) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 15, 2019
 Flowers of Zizotes milkweed (Asclepias oenotheroides) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 15, 2019
 Zizotes milkweed (Asclepias oenotheroides) near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 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
 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
 Blooming Zizotes milkweed (Hierba de Zizotes, Asclepias oenotheroides) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2020
 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
 Immature katydid on green milkweed near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 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
 Nymph of large milkweed bug (Oncopeltus fasciatus) on milkweed seeds in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 31, 2008
 Milkweed seeds in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 10, 2011
 Milkweed seeds in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 6, 2009
 Large Milkweed Bug (Oncopeltus fasciatus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2009
 Ladybug and millipede on milkweed in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2010
 Tuft of fluff of milkweed seeds in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 10, 2011
 Milkweed seeds with attached coma (tuft of fluff) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 31, 2008
 Mating red milkweed beetles (Tetraopes tetrophthalmus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 4, 2009
 Sunflower near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 28, 2014
 Brown caterpillar in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 28, 2014
 Meadow with coreopsis in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 28, 2014
 White moth in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 28, 2014
 Slender vervain (verbena) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 28, 2014
 A field of wildflowers near Old Washington Town Site Loop Trail of Washington-on-the-Brazos State Historic Site. Washington, Texas, June 2, 2007
 Violet ruella (Ruellia nudiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 28, 2014
 Japanese honeysuckle (Lonicera japonica) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 28, 2014
 Powderpuff (Mimosa strigillosa) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 28, 2014
 Common Buckeye butterfly (Junonia coenia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 28, 2014
 Lemon beebalm (Monarda citriodora) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 28, 2014
 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
 Puncturevine (Caltrop, Tribulus terrestris) on Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 28, 2014
 Small matweed (Guilleminea densa, Amaranthaceae) on Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 28, 2014
 Green grasshopper in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 31, 2008
 Green leaves of magnolia in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 3, 2009
 Green grasshopper in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2010
 Blooming small matweed (Guilleminea densa, Amaranthaceae) on Ferry Road in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 28, 2014
 Small green caterpillar hanging on a net strand in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2009
 Green berries of poison ivy on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2009
 Green lynx spider eating a bee in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 14, 2009
 Some green winter rosette of leaves in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021
 Frightened caterpillar spitting green fluid in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 4, 2012
 Green nuts on a pecan tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2020
 Green lynx spider with spiderlings in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 11, 2010
 Green lynx spider on Engelmann s daisy flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 10, 2008
 Green leaves of mustang grape (Vitis mustangensis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 16, 2020
 Green carpetweed (Mollugo verticillata) on a lawn in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 2, 2020
 Green lynx spider on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 21, 2008
 Green and white spurge (Euphorbia heterophylla) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 15, 2020
 Green and white spurge (Euphorbia heterophylla) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020
 Green hairy winter rosette of leaves in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021
 Snow-on-the-prairie with a green lynx spider in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 30, 2008
 Tiny green liverwort on bark of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Some green liverwort and lichens on bark of hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 28, 2019
 Green grasshopper on seeds of Wild Carrot (Daucus pusillus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2009
 Green patch of Phaeophyscia lichen on an almost dry bush of huisache in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
 Dead gar fish and green slime in drying pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 23, 2011
 Meadow garlic (Allium canadense) with green bulblets in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
 Green Metallic Bee (Agapostemon) on pink powderpuff mimosa in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 7, 2010
 Green lynx spider preying on a hornet wasp in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 4, 2009
 Green lynx spider on Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 21, 2010
 Molting cicada with fresh green wings on bark of a live oak in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 2, 2020
 Close up of a green grasshopper sitting on a white prickly poppy flower in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 24, 2009
 Purple and green leaves of sow thistle (Sonchus asper) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 24, 2021
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