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3013-14. Shoot of giant ragweed (Ambrosia trifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 27, 2021Similar picturesLarge thumbnails | Use small thumbnails | View as slideshow |
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3013-14. Shoot of giant ragweed (Ambrosia trifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 27, 2021Similar picturesLarge thumbnails | Use small thumbnails | View as slideshow |
 Shoot of giant ragweed (Ambrosia trifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021  Giant ragweed (Ambrosia trifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 15, 2019  Giant ragweed (Ambrosia trifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022  Blooming giant ragweed (Ambrosia trifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2012  Seedling of giant ragweed (Ambrosia trifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 20, 2022  Dry plant of giant ragweed (Ambrosia trifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 9, 2023  Flower buds of giant ragweed (Ambrosia trifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020  Wilted giant ragweed (Ambrosia trifida) under 2,4-D Ester(?) herbicide in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 20, 2022  Green flowers with pollen of giant ragweed (Ambrosia trifida) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 1, 2012  Wilted giant ragweed (Ambrosia trifida) after application of a herbicide in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 21, 2020  Curled leaves of giant ragweed (Ambrosia trifida) under 2,4-D Ester(?) herbicide in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 29, 2023  Distorted growth of giant ragweed (Ambrosia trifida) under 2,4-D Ester(?) herbicide in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 29, 2023  Giant ragweed (Ambrosia trifida) after application of herbicide that is causing it to wilt and shrivel in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 21, 2020  Purple bindweed and ragweed (Ambrosia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 28, 2022  Giant ragweed in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 9, 2012  Giant ragweed with curled leaves in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 28, 2022  Blooming giant ragweed (Ambrosia trifida) in Bee Creek Park. College Station, Texas, September 28, 2021  Shoot of coralberry(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 8, 2021  Shoot of mustang grape in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 8, 2021  Blooming giant ragweed (Ambrosia trifida) in Lick Creek Park. College Station, Texas, September 22, 2021  Giant ragweed (Ambrosia trifida) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 26, 2023  Shoot of blackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2021  Shoot of box elder in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021  Shoot of cypress elm in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 3, 2021  Giant ragweed (Ambrosia trifida) on Kiwanis Nature Trail. College Station, Texas, April 20, 2023  Shoot of hackberry with flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021  Shoot of of mustang grape in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021  Reddish shoot of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 3, 2021  Back lit shoot of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 3, 2021  Shoot of mustang grape in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 31, 2021  Shoot of Amaranth in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 15, 2020  Shoot of nettle with water drops in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 8, 2021  Shoot of gum Bumelia (Sideroxylon lanuginosum) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021  Shoot of poison ivy on a hackberry tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021  Shoot of winged elm (Ulmus alata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2021  Grasshopper sleeping on ragweed in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 6, 2012  Shoot of some creeper on Wildflower Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 2, 2020  Dry plant of giant ragweed (Ambrosia trifida) in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, September 5, 2023  Dry stem of giant ragweed (Ambrosia trifida) with fungus-like dots with white hair taken from Bee Creek Park. College Station, Texas, December 9, 2020  Dry leaves of giant ragweed (Ambrosia trifida) in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, September 5, 2023  Giant ragweed (Ambrosia trifida) with half-white leaves at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 14, 2024  Giant reed (Arundo donax) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 22, 2022  Giant reed (Arundo donax) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020  Seeds of giant reed (Arundo donax) in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020  Giant reed (Arundo donax) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 18, 2020  Close-up of giant reed (Arundo donax) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020  Inflorescence of giant reed (Arundo donax) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020  Giant reed (Arundo donax) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 12, 2020  Flowers of giant reed (Arundo donax) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 27, 2020  Shoot of elm in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 13, 2020  Shoot of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2009  Emerging inflorescence of giant reed (Arundo donax) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020  Flower spike of giant reed (Arundo donax) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 27, 2020  Shoot of cedar elm in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 9, 2019  Shoot of poison ivy in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022  Shoot of hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023  Pecan shoot in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023  Back lit shoot of cedar elm in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 9, 2019  Shoot of mustang grape in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 29, 2023  Shoot of greenbrier (Smilax) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2023  Shoot of amaranth near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 5, 2020  Shoot of box elder near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 29, 2023  Some leafy shoot near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 4, 2020  Shoot and flowers of box elder in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 29, 2023  Shoots of giant mustard (bastard cabbage, Rapistrum rugosum)(?) in a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024  Blooming giant mustard (bastard cabbage, Rapistrum rugosum) on a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2023  Dry leaves of giant mustard (bastard cabbage, Rapistrum rugosum) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 8, 2012  Large shoot of thistle (Cirsium) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023  Shoot of hackberry (Celtis laevigata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019  Buttonweed (Diodea virginiana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 27, 2021  Reddish shoot of red buckeye (Aesculus pavia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024  Shoot of warty spurge (Euphorbia spathulata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023  Shoot of eastern poison ivy (Toxicodendron radicans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019  Shoot of snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 12, 2020  Shoot of Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 4, 2020  Shoot of woolly-white (Hymenopappus artemisiaefolius) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023  Turnsole (Heliotropium indicum) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 8, 2021  Green milkweed (Asclepias viridis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 8, 2021  Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 8, 2021  Violet ruella (Ruellia nudiflora) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 8, 2021  Pink powderpuff (Mimosa strigillosa) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 8, 2021  Bull nettle (Cnidoscolus texanus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 27, 2021  Halo (ring) like pattern on a spider web in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 27, 2021  Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 27, 2021  Some Agaricus mushroom in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 7, 2021  Dissected Agaricus mushroom in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 7, 2021  Mushrooms Entonaema liquescens on a log in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 6, 2021  Lepiota mushroom under small elm and oak trees in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 6, 2021  Back lit shoot of snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 12, 2020  Shoot of rough-leaf dogwood (Cornus drummondii) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023  Young shoot of greenbrier vine (prickly-ivy, smilax, sarsaparilla) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2009  Vegetative shoot of prickly pear cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 17, 2022  Blooming Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 8, 2021  Green milkweed (Asclepias viridis) with a bumblebee in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 27, 2021  Flowers of Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 8, 2021  Flowers of turnsole (Heliotropium indicum) near a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 27, 2021  Snow-on-the-prairie (Euphorbia bicolor) with flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 27, 2021  White flowers of buttonweed (Diodea virginiana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 27, 2021  Shoots of Snow-on-the-prairie (Euphorbia bicolor) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 8, 2021 |