Green milkweed (Antelope horns, asclepias viridis) in morning dew in Lake Bryan Park, on a trail on an island. Bryan, Texas, April 14, 2009
Antelope horns milkweed (Asclepias viridis) in Washington-on-the-Brazos Historic Site, near Loop trail. Washington, Texas, March 30, 2008
Reakirt s Blue (Echinargus isola) butterfly on Antelope horns milkweed (Asclepias asperula) on Savanna Meadow Trail in Ladybird Johnson Wildflower Center. Austin, Texas, May 10, 2009
Milkweed (Antelope horns, Asclepias asperula) on Savanna Meadow Trail in Ladybird Johnson Wildflower Center. Austin, Texas, May 10, 2009
Green milkweed (Antelope horns, asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 14, 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
Green milkweed (Antelope horns, asclepias viridis) on Yaupon Loop Trail in Lick Creek Park. College Station, Texas, April 21, 2019
Flower of green milkweed (Antelope horns, asclepias viridis) in Lick Creek Park. College Station, Texas, May 5, 2008
Green milkweed (Antelope horns, asclepias viridis) near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 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, April 4, 2009
Fruits of green milkweed (Antelope horns, asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 25, 2014
White-fringed weevil (Naupactus) beetle on green milkweed (Antelope horns, asclepias viridis) in Lake Bryan Park. Bryan, Texas, October 2, 2009
Flower buds 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) 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
Green milkweed (Antelope horns, asclepias viridis) with aphids in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 1, 2012
Green milkweed (Antelope horns, Asclepias viridis) in Lick Creek Park. College Station, Texas, April 5, 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
Seeds of Antelope horns milkweed (Asclepias viridis) in Lick Creek Park. College Station, Texas, May 17, 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 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, Texas, September 28, 2022
Green milkweed (Antelope horns, asclepias viridis) on Richards Loop Trail in Sam Houston National Forest. Montgomery County, Texas, March 28, 2026
Flowers of green milkweed (Antelope horns, asclepias viridis) on Richards Loop Trail in Sam Houston National Forest. Montgomery County, Texas, March 28, 2026
Blooming green milkweed (Antelope horns, asclepias viridis) on Richards Loop Trail in Sam Houston National Forest. Montgomery County, Texas, March 28, 2026
Flower buds of green milkweed (Antelope horns, asclepias viridis) on Richards Loop Trail in Sam Houston National Forest. Montgomery County, Texas, March 28, 2026
