Flowers of frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, October 11, 2013
Bumblebee on flowers of frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, October 23, 2013
Frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, October 3, 2022
Frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, September 22, 2021
Frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, September 24, 2012
Frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, September 26, 2022
Frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, August 26, 2021
Frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, September 20, 2020
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
Dry plant of frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, September 13, 2023
Ice flowers on frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, December 1, 2020
Dry leaves of frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, September 8, 2023
Flowers of frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, September 20, 2020
Frostweed (Verbesina virginica) with aphids in Lick Creek Park. College Station, Texas, July 15, 2014
Dry plants of frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, September 8, 2023
Red aphids on a shoot of frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, July 18, 2020
Frostweed (Verbesina virginica) at frosty morning in Lick Creek Park. College Station, Texas, January 3, 2022
Frostweed (Verbesina virginica) with black aphids in Lick Creek Park. College Station, Texas, June 9, 2019
Crab spider on frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, September 22, 2021
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) 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 10, 2024
Red and black aphids on a plant of frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, August 12, 2021
Black aphids on leaves of frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, June 3, 2022
Frostweed (Verbesina virginica) after hard freeze on sewer line right of way in Lick Creek Park. College Station, Texas, January 3, 2022
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
White flowers of frostweed (Verbesina virginica) on Raccoon Run Trail in Lick Creek Park. College Station, Texas, August 23, 2020
Frostweed (Verbesina virginica) at frosty morning on a pipeline forest cutting in Lick Creek Park. College Station, Texas, December 1, 2020
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) 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
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) after hard freeze on sewer line right of way in Lick Creek Park. Frozen sap extruded from stem. College Station, Texas, January 9, 2010
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) 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. 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. The stems split and exude sap that freezes into fascinating shapes. College Station, Texas, January 9, 2010
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
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) 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) on Park Hudson Trail. College Station, Texas, August 6, 2014
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
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
Crab spider on frostweed (Verbesina virginica) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 31, 2021
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
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
Exoskeleton of a molted cicada on frostweed in Lick Creek Park. College Station, Texas, July 24, 2013
Frostweed and a thistle on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
Stink bug nymph (Euschistus) on a seed head of frostweed in Lick Creek Park, on Iron Bridge Trail. College Station, Texas, October 19, 2008
Ice flowers on frostweed in Lick Creek Park. College Station, Texas, January 3, 2022
Ice flowers on frostweed in Lick Creek Park. College Station, Texas, December 1, 2020
Red aphids on frostweed in Lick Creek Park. College Station, Texas, August 12, 2021
Shoot of frostweed in Lick Creek Park. College Station, Texas, March 10, 2023
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
Details of ice flowers on frostweed in Lick Creek Park. College Station, Texas, December 1, 2020
Red aphids on a leaf of frostweed in Lick Creek Park. College Station, Texas, July 15, 2014
Feathery ice crystals on frostweed in Lick Creek Park. College Station, Texas, February 5, 2022
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
Young leaves of frostweed in Lick Creek Park. College Station, Texas, March 16, 2023
Hairy ice crystals on a frostweed stem in Lick Creek Park. College Station, Texas, December 1, 2020
Texture of ice crystals on a frostweed stem in Lick Creek Park. College Station, Texas, December 1, 2020
Close-up of ice crystals on a frostweed stem in Lick Creek Park. College Station, Texas, December 1, 2020
Black and red bug on frostweed on Raccoon Run Trail in Lick Creek Park. College Station, Texas, August 23, 2020
Ice crystals on a frostweed stems at morning in Lick Creek Park. College Station, Texas, January 3, 2022
Black and red aphids on a leaf of frostweed in Lick Creek Park. College Station, Texas, July 15, 2014
Rosemary frostweed (Sun rose, Helianthemum rosmarinifolium) in Lick Creek Park. College Station, Texas, May 19, 2010
Grasshopper on plantain Plantago virginica(?) in Lick Creek Park. College Station, Texas, March 23, 2023
Blooming plantain Plantago virginica(?) in Lick Creek Park. College Station, Texas, March 23, 2023
Cracked stem of frostweed after a cold morning in Lick Creek Park. College Station, Texas, December 1, 2020
Broken stem of frostweed exposing ice crystals in Lick Creek Park. College Station, Texas, December 1, 2020
Slender bush clover (Lespedeza virginica) in Lick Creek Park. College Station, Texas, August 12, 2021
Spring beauty flowers (Claytonia virginica) in Lick Creek Park. College Station, Texas, February 27, 2024
Curly ice crystals grown on frostweed after hard freeze in Lick Creek Park. College Station, Texas, January 3, 2022
Inflating stem of frostweed showing fluffy crystals of ice in Lick Creek Park. College Station, Texas, December 1, 2020
Yellow flower of Rosemary frostweed (Sun rose, Helianthemum rosmarinifolium) in Lick Creek Park. College Station, Texas, May 3, 2008
Curly ice crystals grown on frostweed after hard freeze in Lick Creek Park. College Station, Texas, November 13, 2019
Red-banded Hairstreak (Calycopis cecrops) butterfly on a frostweed flower in Lick Creek Park. College Station, Texas, September 12, 2008
Dusky-Blue Groundstreak (Calycopis isobeon) butterfly on frostweed in Lick Creek Park. College Station, Texas, September 12, 2008
Yellow flower of Rosemary frostweed (Sun rose, Helianthemum rosmarinifolium) on Post Oak Trail in Lick Creek Park. College Station, Texas, May 15, 2009
Yellow Amanita mushroom in Lick Creek Park. College Station, Texas, October 7, 2013
Ragweed (Ambrosia artemisiifolia) in Lick Creek Park. College Station, Texas, October 23, 2013
Brain puffball mushroom (Calvatia craniiformis) in Lick Creek Park. College Station, Texas, October 7, 2013
Puffball mushroom Calvatia near Iron Bridge Trail in Lick Creek Park. College Station, Texas, October 2, 2013
Large mushrooms of Macrocybe titans on extension of Racoon Run Trail in Lick Creek Park. College Station, Texas, October 27, 2013
Ironclad beetle (Zopherus haldemani(?)) at sunrise on Raccoon Run Trail in Lick Creek Park. College Station, Texas, October 7, 2013
Massive white mushrooms of Macrocybe titans on an extension of Racoon Run Trail in Lick Creek Park. College Station, Texas, October 23, 2013
Old wet ringless honey mushrooms (Desarmillaria caespitosa, former D. tabescens, Armillaria) on a tree base in Lick Creek Park. College Station, Texas, October 27, 2013
Ironclad beetle (Zopherus haldemani(?)) found under tree bark on Raccoon Run Trail in Lick Creek Park. College Station, Texas, October 7, 2013
Crowded parchment mushrooms (Stereum complicatum) growing on oak bark at Iron Bridge Trail in Lick Creek Park. College Station, Texas, October 17, 2013
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