![](../../pictures/archives/compress/2012/1107/jpeg/16t.jpg) Sumpweed (Iva annua) on Deer Run Trail in Lick Creek Park. College Station, Texas, September 24, 2012
![](../../pictures/archives/compress/2012/1107/jpeg/19t.jpg) Sumpweed (Iva annua) and Morning glory (Ipomoea cordatotriloba) on Deer Run Trail in Lick Creek Park. College Station, Texas, September 24, 2012
![](../../pictures/archives/compress/2012/1110/jpeg/22t.jpg) Pollinating bush of sumpweed (Iva annua) in Lick Creek Park. College Station, Texas, October 11, 2012
![](../../pictures/archives/compress/2021/3027/jpeg/21t.jpg) Sumpweed (Iva annua) in Lick Creek Park. College Station, Texas, September 22, 2021
![](../../pictures/archives/compress/2020/2782/jpeg/03t.jpg) Sumpweed (Iva annua) in Lick Creek Park. College Station, Texas, September 20, 2020
![](../../pictures/archives/compress/2023/3413/jpeg/12t.jpg) Dry plant of sumpweed (Iva annua) in Lick Creek Park. College Station, Texas, September 8, 2023
![](../../pictures/archives/compress/2024/3618/jpeg/13t.jpg) Sumpweed (Iva annua) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 11, 2024
![](../../pictures/archives/compress/2020/2739/jpeg/19t.jpg) Shoot of sumpweed (Iva annua) in Lick Creek Park. College Station, Texas, July 18, 2020
![](../../pictures/archives/compress/2021/2999/jpeg/12t.jpg) Shoot of sumpweed (Iva annua) in Lick Creek Park. College Station, Texas, August 4, 2021
![](../../pictures/archives/compress/2021/2999/jpeg/13t.jpg) Leaves of sumpweed (Iva annua) in Lick Creek Park. College Station, Texas, August 4, 2021
![](../../pictures/archives/compress/2021/3005/jpeg/20t.jpg) Shoot of sumpweed (Iva annua) in Lick Creek Park. College Station, Texas, August 12, 2021
![](../../pictures/archives/compress/2020/2758/jpeg/17t.jpg) Sumpweed (Iva annua) on Raccoon Run Trail in Lick Creek Park. College Station, Texas, August 23, 2020
![](../../pictures/archives/compress/2020/2760/jpeg/01t.jpg) Sumpweed (Iva annua) on Raccoon Run Trail in Lick Creek Park. College Station, Texas, August 28, 2020
![](../../pictures/archives/compress/2020/2741/jpeg/21t.jpg) Fresh leaves of sumpweed (Iva annua) on a recent sewage line right of way in Lick Creek Park. College Station, Texas, July 22, 2020
![](../../pictures/archives/compress/2024/3614/jpeg/14t.jpg) Sumpweed (Iva annua) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Wolf Pen Creek Park. College Station, Texas, September 4, 2024
![](../../pictures/archives/compress/2012/1119/jpeg/15t.jpg) Dry sumpweed (Iva annua) in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 17, 2012
![](../../pictures/archives/compress/2021/3021/jpeg/03t.jpg) Dodder (Cuscuta) on sumpweed (Iva annua) on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, September 12, 2021
![](../../pictures/archives/compress/2022/3240/jpeg/07t.jpg) Agaricus mushrooms under sumpweed on sewage line right-of-way in Lick Creek Park. College Station, Texas, September 12, 2022
![](../../pictures/archives/compress/2013/1283/jpeg/08t.jpg) Pollinating flowers of sumpweed (Iva annua) near utility lake in Lake Bryan Park. Bryan, Texas, September 30, 2013
![](../../pictures/archives/compress/2013/1283/jpeg/10t.jpg) Green flowers of sumpweed (Iva annua) near utility lake in Lake Bryan Park. Bryan, Texas, September 30, 2013
![](../../pictures/archives/compress/2013/1283/jpeg/07t.jpg) Spike of sumpweed (Iva annua) near utility lake in Lake Bryan Park. Bryan, Texas, September 30, 2013
![](../../pictures/archives/compress/2013/1283/jpeg/09t.jpg) Close up of sumpweed (Iva annua) near utility lake in Lake Bryan Park. Bryan, Texas, September 30, 2013
![](../../pictures/archives/compress/2013/1283/jpeg/06t.jpg) Sumpweed (Iva annua) near utility lake in Lake Bryan Park. Bryan, Texas, September 30, 2013
![](../../pictures/archives/compress/2022/3240/jpeg/16t.jpg) Spores of Agaricus mushrooms under sumpweed on sewage line right-of-way, in KOH (spore print dark brown) collected in Lick Creek Park. College Station, Texas, September 12, 2022
![](../../pictures/archives/compress/2020/2811/jpeg/07t.jpg) Sumpweed (Iva annua) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 6, 2020
![](../../pictures/archives/compress/2020/2808/jpeg/16t.jpg) Sumpweed (Iva annua) on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, October 31, 2020
![](../../pictures/archives/compress/2020/2740/jpeg/10t.jpg) Shoot of sumpweed (Iva annua) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
![](../../pictures/archives/compress/2020/2740/jpeg/23t.jpg) Dodder (Cuscuta) on sumpweed (Iva annua) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 19, 2020
![](../../pictures/archives/compress/2012/1108/jpeg/02t.jpg) Foggy morning in Lick Creek Park. College Station, Texas, September 27, 2012
![](../../pictures/archives/compress/2012/1102/jpeg/16t.jpg) Sewage line right of way in Lick Creek Park. College Station, Texas, September 7, 2012
![](../../pictures/archives/compress/2012/1102/jpeg/17t.jpg) Beautyberry (Callicarpa americana) in Lick Creek Park. College Station, Texas, September 7, 2012
![](../../pictures/archives/compress/2012/1107/jpeg/15t.jpg) Frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, September 24, 2012
![](../../pictures/archives/compress/2012/1108/jpeg/03t.jpg) Iron Bridge Trail in Lick Creek Park. College Station, Texas, September 27, 2012
![](../../pictures/archives/compress/2012/1107/jpeg/12t.jpg) Bastard pennyroyal (Trichostema dichotomum) in Lick Creek Park. College Station, Texas, September 24, 2012
![](../../pictures/archives/compress/2012/1101/jpeg/14t.jpg) White gaura (wild honeysuckle, bee blossom) in Lick Creek Park. College Station, Texas, September 1, 2012
![](../../pictures/archives/compress/2012/1105/jpeg/24t.jpg) Staminate flowers of cocklebur (Xanthium strumarium) in Lick Creek Park. College Station, Texas, September 16, 2012
![](../../pictures/archives/compress/2012/1107/jpeg/13t.jpg) Green bur of Rough Cocklebur (Xanthium strumarium) in Lick Creek Park. College Station, Texas, September 24, 2012
![](../../pictures/archives/compress/2012/1107/jpeg/21t.jpg) Burs of Rough Cocklebur (Xanthium strumarium) in Lick Creek Park. College Station, Texas, September 24, 2012
![](../../pictures/archives/compress/2012/1107/jpeg/14t.jpg) Flowers of bastard pennyroyal (Trichostema dichotomum) in Lick Creek Park. College Station, Texas, September 24, 2012
![](../../pictures/archives/compress/2012/1106/jpeg/02t.jpg) Mistflower (Eupatorium coelestinum, Wild ageratum) in Lick Creek Park. College Station, Texas, September 16, 2012
![](../../pictures/archives/compress/2012/1106/jpeg/05t.jpg) Flowers of trailing fuzzy-bean (Strophostyles helvola) in Lick Creek Park. College Station, Texas, September 16, 2012
![](../../pictures/archives/compress/2012/1106/jpeg/03t.jpg) Fruits of Horse Nettle (Potato-weed, Solanum) in Lick Creek Park. College Station, Texas, September 16, 2012
![](../../pictures/archives/compress/2012/1107/jpeg/17t.jpg) Morning glory (Ipomoea cordatotriloba) on Deer Run Trail in Lick Creek Park. College Station, Texas, September 24, 2012
![](../../pictures/archives/compress/2012/1106/jpeg/06t.jpg) Fruits of green passion flower (Passiflora lutea) in Lick Creek Park. College Station, Texas, September 16, 2012
![](../../pictures/archives/compress/2012/1105/jpeg/26t.jpg) Lance-leaved water-willow (Justicia ovata var. lanceolata) in Lick Creek Park. College Station, Texas, September 16, 2012
![](../../pictures/archives/compress/2012/1106/jpeg/04t.jpg) Back lit flowers of trailing fuzzy-bean (Strophostyles helvola) in Lick Creek Park. College Station, Texas, September 16, 2012
![](../../pictures/archives/compress/2012/1106/jpeg/01t.jpg) Tiny blue flower of Lance-leaved water-willow (Justicia ovata var. lanceolata) in Lick Creek Park. College Station, Texas, September 16, 2012
![](../../pictures/archives/compress/2012/1107/jpeg/22t.jpg) Purple gerardia (prairie agalinis, Agalinis purpurea) in Lick Creek Park. College Station, Texas, September 24, 2012
![](../../pictures/archives/compress/2012/1107/jpeg/18t.jpg) Unopened flower of Purple gerardia (prairie agalinis, Agalinis purpurea) in Lick Creek Park. College Station, Texas, September 24, 2012
![](../../pictures/archives/compress/2012/1107/jpeg/20t.jpg) Close up of a flower of Purple gerardia (prairie agalinis, Agalinis purpurea) in Lick Creek Park. College Station, Texas, September 24, 2012
![](../../pictures/archives/compress/2012/1109/jpeg/26t.jpg) Katydid sleeping on sumpweed in Lake Bryan Park. Bryan, Texas, October 10, 2012
![](../../pictures/archives/compress/2012/1050/jpeg/15t.jpg) Prairie in Lick Creek Park. College Station, Texas, May 7, 2012
![](../../pictures/archives/compress/2012/1048/jpeg/22t.jpg) Coreopsis in Lick Creek Park. College Station, Texas, May 3, 2012
![](../../pictures/archives/compress/2012/1060/jpeg/25t.jpg) Coreopsis in Lick Creek Park. College Station, Texas, May 22, 2012
![](../../pictures/archives/compress/2012/1061/jpeg/14t.jpg) Some grass in Lick Creek Park. College Station, Texas, May 22, 2012
![](../../pictures/archives/compress/2012/1110/jpeg/18t.jpg) Beautyberry in dew in Lick Creek Park. College Station, Texas, October 11, 2012
![](../../pictures/archives/compress/2012/1110/jpeg/23t.jpg) Horseweed in Lick Creek Park. College Station, Texas, October 11, 2012
![](../../pictures/archives/compress/2012/1048/jpeg/25t.jpg) Coreopsis near dry oaks in Lick Creek Park. College Station, Texas, May 3, 2012
![](../../pictures/archives/compress/2012/1074/jpeg/14t.jpg) Ironweed in Lick Creek Park. College Station, Texas, June 30, 2012
![](../../pictures/archives/compress/2012/1108/jpeg/12t.jpg) Oak bark in Lick Creek Park. College Station, Texas, October 2, 2012
![](../../pictures/archives/compress/2012/1053/jpeg/04t.jpg) Caterpillar on plantain in Lick Creek Park. College Station, Texas, May 10, 2012
![](../../pictures/archives/compress/2012/998/jpeg/22t.jpg) Oaks in Lick Creek Park. College Station, Texas, January 4, 2012
![](../../pictures/archives/compress/2012/1071/jpeg/21t.jpg) Pepperwine in Lick Creek Park. College Station, Texas, June 20, 2012
![](../../pictures/archives/compress/2012/1061/jpeg/10t.jpg) Sedge head in Lick Creek Park. College Station, Texas, May 22, 2012
![](../../pictures/archives/compress/2012/1048/jpeg/20t.jpg) Meadow of flowers in Lick Creek Park. College Station, Texas, May 3, 2012
![](../../pictures/archives/compress/2012/1061/jpeg/12t.jpg) Tradescantia flowers in Lick Creek Park. College Station, Texas, May 22, 2012
![](../../pictures/archives/compress/2012/1050/jpeg/20t.jpg) White and yellow in Lick Creek Park. College Station, Texas, May 7, 2012
![](../../pictures/archives/compress/2012/1077/jpeg/17t.jpg) Leaves of elm(?) in Lick Creek Park. College Station, Texas, July 11, 2012
![](../../pictures/archives/compress/2012/1051/jpeg/02t.jpg) Coreopsis near dry trees in Lick Creek Park. College Station, Texas, May 7, 2012
![](../../pictures/archives/compress/2012/1122/jpeg/05t.jpg) Dry seeds in Lick Creek Park. College Station, Texas, November 30, 2012
![](../../pictures/archives/compress/2012/998/jpeg/17t.jpg) Road in Lick Creek Park. College Station, Texas, January 4, 2012
![](../../pictures/archives/compress/2012/1061/jpeg/20t.jpg) Orange butterfly in Lick Creek Park. College Station, Texas, May 22, 2012
![](../../pictures/archives/compress/2012/1061/jpeg/18t.jpg) Coreopsis flower in Lick Creek Park. College Station, Texas, May 22, 2012
![](../../pictures/archives/compress/2012/1048/jpeg/23t.jpg) Close up of coreopsis in Lick Creek Park. College Station, Texas, May 3, 2012
![](../../pictures/archives/compress/2012/1103/jpeg/21t.jpg) Amphitheater in Wolf Pen Creek Park. College Station, Texas, September 12, 2012
![](../../pictures/archives/compress/2012/1050/jpeg/25t.jpg) Cutting near the park fence in Lick Creek Park. College Station, Texas, May 7, 2012
![](../../pictures/archives/compress/2012/1068/jpeg/22t.jpg) Frostweed leaves in Lick Creek Park. College Station, Texas, June 10, 2012
![](../../pictures/archives/compress/2012/1072/jpeg/03t.jpg) Back lit peppervine in Lick Creek Park. College Station, Texas, June 20, 2012
![](../../pictures/archives/compress/2012/1068/jpeg/23t.jpg) Winged elm(?) shoot in Lick Creek Park. College Station, Texas, June 10, 2012
![](../../pictures/archives/compress/2012/1072/jpeg/04t.jpg) Yellow daisy in Lick Creek Park. College Station, Texas, June 20, 2012
![](../../pictures/archives/compress/2012/1074/jpeg/16t.jpg) Small aster in Lick Creek Park. College Station, Texas, June 30, 2012
![](../../pictures/archives/compress/2012/1061/jpeg/08t.jpg) Sneezeweed (Helenium amarum) in Lick Creek Park. College Station, Texas, May 22, 2012
![](../../pictures/archives/compress/2012/1000/jpeg/21t.jpg) Sewage line right of way in Lick Creek Park. College Station, Texas, January 14, 2012
![](../../pictures/archives/compress/2012/1000/jpeg/22t.jpg) Deer Run Trail in Lick Creek Park. College Station, Texas, January 14, 2012
![](../../pictures/archives/compress/2012/1069/jpeg/06t.jpg) Skipper butterfly in Lick Creek Park. College Station, Texas, June 10, 2012
![](../../pictures/archives/compress/2012/1074/jpeg/04t.jpg) Ruellia flowers in Lick Creek Park. College Station, Texas, June 30, 2012
![](../../pictures/archives/compress/2012/1061/jpeg/19t.jpg) Passion flower (passiflora) in Lick Creek Park. College Station, Texas, May 22, 2012
![](../../pictures/archives/compress/2012/1059/jpeg/02t.jpg) Sunrise from Post Oak Trail in Lick Creek Park. College Station, Texas, May 18, 2012
![](../../pictures/archives/compress/2012/1076/jpeg/03t.jpg) Orange butterfly in Lick Creek Park. College Station, Texas, July 6, 2012
![](../../pictures/archives/compress/2012/998/jpeg/16t.jpg) Freeze on prairie in Lick Creek Park. College Station, Texas, January 3, 2012
![](../../pictures/archives/compress/2012/998/jpeg/18t.jpg) Sewage line right of way in Lick Creek Park. College Station, Texas, January 4, 2012
![](../../pictures/archives/compress/2012/1076/jpeg/05t.jpg) Speckled butterfly in Lick Creek Park. College Station, Texas, July 6, 2012
![](../../pictures/archives/compress/2012/1076/jpeg/14t.jpg) Sewage line right of way in Lick Creek Park. College Station, Texas, July 7, 2012
![](../../pictures/archives/compress/2012/1067/jpeg/20t.jpg) Coreopsis flower in Lick Creek Park. College Station, Texas, June 6, 2012
![](../../pictures/archives/compress/2012/1076/jpeg/09t.jpg) Brown spider in Lick Creek Park. College Station, Texas, July 7, 2012
![](../../pictures/archives/compress/2012/1076/jpeg/22t.jpg) Back lit leaves of elm(?) in Lick Creek Park. College Station, Texas, July 7, 2012
![](../../pictures/archives/compress/2012/1061/jpeg/04t.jpg) Meadow pink flower in Lick Creek Park. College Station, Texas, May 22, 2012
![](../../pictures/archives/compress/2012/1100/jpeg/12t.jpg) Tree bark in Lick Creek Park. College Station, Texas, August 22, 2012
![](../../pictures/archives/compress/2012/1061/jpeg/05t.jpg) Partridge pea (Cassia fasciculata) in Lick Creek Park. College Station, Texas, May 22, 2012
|