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3005-10. Red and black aphids on a plant of frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, August 12, 2021Similar picturesLarge thumbnails | Use small thumbnails | View as slideshow |
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3005-10. Red and black aphids on a plant of frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, August 12, 2021Similar picturesLarge thumbnails | Use small thumbnails | View as slideshow |
 Frostweed (Verbesina virginica) with black aphids in Lick Creek Park. College Station, Texas, June 9, 2019  Black aphids on leaves of frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, June 3, 2022  Frostweed (Verbesina virginica) with aphids in Lick Creek Park. College Station, Texas, July 15, 2014  Red aphids on a shoot of frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, July 18, 2020  Frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, August 26, 2021  Dry plant of frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, September 13, 2023  Frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, September 22, 2021  Crab spider on frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, September 22, 2021  White flowers of frostweed (Verbesina virginica) on Raccoon Run Trail in Lick Creek Park. College Station, Texas, August 23, 2020  Yellow leaves of frostweed (Verbesina virginica) with a rust fungus Coleosporium viguierae(?) on a pipeline right of way in Lick Creek Park. College Station, Texas, August 19, 2022  Frostweed (Verbesina virginica) with yellow and brown leaves with a rust fungus Coleosporium viguierae(?) on a pipeline right of way in Lick Creek Park. College Station, Texas, August 19, 2022  Frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, September 24, 2012  Frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, September 20, 2020  Frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, September 26, 2022  Frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, October 3, 2022  Frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, October 11, 2013  Frostweed (Verbesina virginica) on sewer line right of way in Lick Creek Park. After a heavy frost at night frostweed shows its ribbons of frost (as in ribbon candy). College Station, Texas, January 9, 2010  Flowers of frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, October 11, 2013  Ice flowers on frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, December 1, 2020  Flowers of frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, September 20, 2020  Dry plants of frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, September 8, 2023  Dry leaves of frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, September 8, 2023  Spores of a rust fungus Coleosporium viguierae(?) (under a microscope, in KOH solution) found on leaves of frostweed (Verbesina virginica) from a pipeline right of way in Lick Creek Park a day before. College Station, Texas, August 18, 2022  Bumblebee on flowers of frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, October 23, 2013  Frostweed (Verbesina virginica) at frosty morning in Lick Creek Park. College Station, Texas, January 3, 2022  Frostweed (Verbesina virginica) on Post Oak Trail in Lick Creek Park. College Station, Texas, September 7, 2009  Frostweed (Verbesina virginica) after hard freeze in Lick Creek Park. College Station, Texas, January 3, 2022  Frostweed (Verbesina virginica) with a love bug (Plecia) in Lick Creek Park. College Station, Texas, September 20, 2020  Frostweed (Verbesina virginica) after hard freeze in Lick Creek Park. College Station, Texas, January 10, 2024  Spores of a rust fungus Coleosporium viguierae(?) (under a microscope, in Lugol solution) found on leaves of frostweed (Verbesina virginica) on a pipeline right of way in Lick Creek Park a day before. College Station, Texas, August 18, 2022  Frostweed (Verbesina virginica) on sewer line right of way in Lick Creek Park. At the first hard freeze, even though the plant has gone to seed and looks dead, the roots are still active. The sap freezes, splits open the stem and forms these "frost-flowers". College Station, Texas, January 9, 2010  Red aphids on frostweed in Lick Creek Park. College Station, Texas, August 12, 2021  Frostweed (Verbesina virginica) on Park Hudson Trail. College Station, Texas, August 6, 2014  Inflated stems of frostweed (Verbesina virginica) at cold morning in Lick Creek Park. College Station, Texas, December 1, 2020  Inflated stems of frostweed (Verbesina virginica) at cold morning in Lick Creek Park. College Station, Texas, January 3, 2022  Frostweed (Verbesina virginica) after hard freeze on sewer line right of way in Lick Creek Park. College Station, Texas, January 3, 2022  Flowers of frostweed (Verbesina virginica) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 11, 2024  Frostweed (Verbesina virginica) at frosty morning on a pipeline forest cutting in Lick Creek Park. College Station, Texas, December 1, 2020  Frostweed (Verbesina virginica) 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 9, 2024  Frostweed (Verbesina virginica) 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  Frostweed (Verbesina virginica) after hard freeze on sewer line right of way in Lick Creek Park. Frozen sap extruded from stem. College Station, Texas, January 9, 2010  Black and red aphids on a leaf of frostweed in Lick Creek Park. College Station, Texas, July 15, 2014  Frostweed (Verbesina virginica) after hard freeze on sewer line right of way in Lick Creek Park. Frost ribbons sprouting from young plants. College Station, Texas, January 9, 2010  Frostweed (Verbesina virginica) after hard freeze on sewer line right of way in Lick Creek Park. Sap within its stalks bursts forth to form icy formations along its lower stems. College Station, Texas, January 9, 2010  Frostweed (Verbesina virginica) after hard freeze on sewer line right of way in Lick Creek Park. The stems split and exude sap that freezes into fascinating shapes. College Station, Texas, January 9, 2010  Frostweed (Verbesina virginica) after hard freeze on sewer line right of way in Lick Creek Park. Petals of frost flowers are very delicate and will break when touched. College Station, Texas, January 9, 2010  Frostweed (Verbesina virginica) after hard freeze on sewer line right of way in Lick Creek Park. Frothy texture of frozen sap extruded from stem looks like cotton candy. College Station, Texas, January 9, 2010  Frostweed (Verbesina virginica) after hard freeze on sewer line right of way in Lick Creek Park. Layers of ice are formed into exquisite patterns that curl into "petals" that resemble flowers. College Station, Texas, January 9, 2010  Frostweed (Verbesina virginica) after hard freeze on sewer line right of way in Lick Creek Park. Thin layers of ice are often formed into exquisite patterns that curl into "petals" that resemble flowers. College Station, Texas, January 9, 2010  Frostweed (Verbesina virginica) after hard freeze on sewer line right of way in Lick Creek Park. Petals of "frost-flowers" are easily melted and are usually visible in the early morning or in shaded areas. College Station, Texas, January 9, 2010  Frostweed (Verbesina virginica) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Bee Creek Park. College Station, Texas, September 23, 2024  Crab spider on frostweed (Verbesina virginica) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 31, 2021  Red aphids on a leaf of frostweed in Lick Creek Park. College Station, Texas, July 15, 2014  Black and red bug on frostweed on Raccoon Run Trail in Lick Creek Park. College Station, Texas, August 23, 2020  Frost-weed (Verbesina virginica) on Iron Bridge Trail in Lick Creek Park. College Station, Texas, September 12, 2008  Frostweed (Verbesina virginica) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 17, 2019  Shoot of frostweed (Verbesina virginica) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 3, 2022  Frostweed (Verbesina virginica) with an ant on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, October 1, 2020  Slender bush clover (Lespedeza virginica) in Lick Creek Park. College Station, Texas, August 12, 2021  Frostweed with aphids on Park Hudson Trail. College Station, Texas, June 30, 2014  Fan-shaped caps bruising black when cut or touched of black-staining polypore mushrooms Meripilus sumstinei at the base of dry Mexican plum in Lick Creek Park. College Station, Texas, August 18, 2021  Black aphids on curly dock (Rumex) in a ditch in Bee Creek Park. College Station, Texas, April 5, 2022  Large number of black aphids on curly dock (Rumex) in Bee Creek Park. College Station, Texas, April 5, 2022  Small dark colored aphids on frostweed at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 2021  Black-staining polypore mushrooms Meripilus sumstinei in mature stage in Lick Creek Park. College Station, Texas, August 24, 2021  Black-staining polypore mushrooms Meripilus sumstinei at the base of dry Mexican plum in Lick Creek Park. College Station, Texas, August 18, 2021  Black-staining polypore mushrooms Meripilus sumstinei at the base of dry Mexican plum in Lick Creek Park. College Station, Texas, August 21, 2021  Some insect eggs or may be plant seeds on sandy soil in Lick Creek Park. College Station, Texas, August 18, 2021  Circular cluster of black-staining polypore mushrooms Meripilus sumstinei at the base of dry Mexican plum in Lick Creek Park. College Station, Texas, August 18, 2021  Irregular rosette of black-staining polypore mushrooms Meripilus sumstinei at the base of dry Mexican plum in Lick Creek Park. College Station, Texas, August 21, 2021  Upper view of black-staining polypore mushrooms Meripilus sumstinei at the base of dry Mexican plum in Lick Creek Park. College Station, Texas, August 21, 2021  Large sneezeweed plant (Helenium amarum) on a recent forest clearing in Lick Creek Park. College Station, Texas, August 1, 2021  Plant of chickenspike (gooseweed, wedgewort, Sphenoclea zeylanica) near a sewage pipeline in Lick Creek Park. College Station, Texas, August 9, 2021  Plant of chickenspike (gooseweed, wedgewort, Sphenoclea zeylanica) on roadside over a sewage pipeline in Lick Creek Park. College Station, Texas, August 9, 2021  Irregular rosette from the same branched stem of black-staining polypore mushrooms Meripilus sumstinei at the base of dry Mexican plum in Lick Creek Park. College Station, Texas, August 18, 2021  Side view of a circular cluster of black-staining polypore mushrooms Meripilus sumstinei at the base of dry Mexican plum in Lick Creek Park. College Station, Texas, August 18, 2021  Upper view of a circular cluster of black-staining polypore mushrooms Meripilus sumstinei at the base of dry Mexican plum in Lick Creek Park. College Station, Texas, August 18, 2021  Black blotches on leaves of persimmon (Diospyros virginiana) caused by Cercospora leaf spot fungus Pseudocercospora diospyricola in Lick Creek Park. College Station, Texas, August 12, 2021  Grayish yellow, fan-shaped caps of black-staining polypore mushrooms Meripilus sumstinei at the base of dry Mexican plum in Lick Creek Park. College Station, Texas, August 18, 2021  Fleshy, grayish yellow, fan-shaped caps of black-staining polypore mushrooms Meripilus sumstinei at the base of dry Mexican plum in Lick Creek Park. College Station, Texas, August 18, 2021  Smooth pore surface bruising brown or black when touched of a polypore mushroom Meripilus sumstinei at the base of dry Mexican plum in Lick Creek Park. College Station, Texas, August 18, 2021  Close-up of fleshy, grayish yellow, fan-shaped caps of black-staining polypore mushrooms Meripilus sumstinei at the base of dry Mexican plum in Lick Creek Park. College Station, Texas, August 18, 2021  Sugarcane aphids (Melanaphis sacchari) abundant on johnsongrass (Sorghum halepense) in Wolf Pen Creek Park. College Station, Texas, June 21, 2021  Close-up of sugarcane aphids (Melanaphis sacchari) on johnsongrass (Sorghum halepense) in Wolf Pen Creek Park. College Station, Texas, June 21, 2021  Frostweed leaves in Lick Creek Park. College Station, Texas, June 10, 2012  Ice flowers on frostweed in Lick Creek Park. College Station, Texas, February 5, 2022  Ice flowers on frostweed in Lick Creek Park. College Station, Texas, December 1, 2020  Ice flowers on frostweed in Lick Creek Park. College Station, Texas, January 3, 2022  Shoot of frostweed in Lick Creek Park. College Station, Texas, March 10, 2023  Sugarcane aphids (Melanaphis sacchari, Hemiptera: Aphididae) on johnsongrass (Sorghum halepense) in Wolf Pen Creek Park. College Station, Texas, June 21, 2021  Green form of chrysalis (pupal stage of butterfly) of Black Swallowtail formed on a plant stem in Lick Creek Park. College Station, Texas, June 1, 2010  Sugarcane aphids (Melanaphis sacchari) covering underside of a leaf of johnsongrass (Sorghum halepense) in Wolf Pen Creek Park. College Station, Texas, June 21, 2021  Ice crystals on frostweed seeds in Lick Creek Park. College Station, Texas, December 1, 2020  Frostweed stem with ice crystals in Lick Creek Park. College Station, Texas, December 1, 2020  Feathery ice crystals on frostweed in Lick Creek Park. College Station, Texas, February 5, 2022  Young leaves of frostweed in Lick Creek Park. College Station, Texas, March 16, 2023  Details of ice flowers on frostweed in Lick Creek Park. College Station, Texas, December 1, 2020  Hairy ice crystals on a frostweed stem in Lick Creek Park. College Station, Texas, December 1, 2020  Rosemary frostweed (Sun rose, Helianthemum rosmarinifolium) in Lick Creek Park. College Station, Texas, May 19, 2010 |