 Frostweed (Verbesina virginica) at frosty morning 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
 Ice flowers on frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, December 1, 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
 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
 Inflated stems of frostweed (Verbesina virginica) at cold morning in Lick Creek Park. College Station, Texas, January 3, 2022
 Frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, September 20, 2020
 Flowers of frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, September 20, 2020
 Red aphids on a shoot of frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, July 18, 2020
 Frostweed (Verbesina virginica) with a love bug (Plecia) in Lick Creek Park. College Station, Texas, September 20, 2020
 White flowers of frostweed (Verbesina virginica) on Raccoon Run Trail in Lick Creek Park. College Station, Texas, August 23, 2020
 Frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, September 24, 2012
 Frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, September 22, 2021
 Frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, October 11, 2013
 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, August 26, 2021
 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
 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) 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
 Dry leaves of frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, September 8, 2023
 Dry plant of frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, September 13, 2023
 Flowers of frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, October 11, 2013
 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
 Frostweed (Verbesina virginica) with black aphids in Lick Creek Park. College Station, Texas, June 9, 2019
 Bumblebee on flowers of frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, October 23, 2013
 Frostweed (Verbesina virginica) after hard freeze in Lick Creek Park. College Station, Texas, January 3, 2022
 Crab spider on frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, September 22, 2021
 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
 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 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) 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) 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. 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. 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
 Frosty morning in prairie in Lick Creek Park. College Station, Texas, December 1, 2020
 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) 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
 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
 Cracked stem of frostweed after a cold morning in Lick Creek Park. College Station, Texas, December 1, 2020
 Spotted beebalm (Monarda punctata) on a recent pipeline cutting in Lick Creek Park. College Station, Texas, May 15, 2020
 Wand blackroot (Pterocaulon virgatum) on a pipeline cutting in Lick Creek Park. College Station, Texas, September 2, 2020
 Flower spike of 1.5 tall Vasey-grass (Paspalum urvillei) growing on gas pipeline cutting in Lick Creek Park. College Station, Texas, May 11, 2020
 Ice crystals on grass at frosty morning on a lawn at Lick Creek Greenway Trail. College Station, Texas, December 30, 2023
 Flower bud of basket flower (Centaurea americana) on a recent pipeline cutting in Lick Creek Park. College Station, Texas, May 15, 2020
 Broken oak on a pipeline forest clearing in Lick Creek Park. College Station, Texas, December 6, 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
 Crab spider on frostweed (Verbesina virginica) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 31, 2021
 Ice flowers on frostweed in Lick Creek Park. College Station, Texas, December 1, 2020
 Details of ice flowers on frostweed 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
 Ice crystals on frostweed seeds in Lick Creek Park. College Station, Texas, December 1, 2020
 Inkcap mushrooms Coprinellus domesticus(?) on a pipeline cutting in Lick Creek Park. College Station, Texas, March 26, 2019
 Carolina ponysfoot (Dichondra carolinensis) on a pipeline cutting in Lick Creek Park. College Station, Texas, March 22, 2019
 Close-up of 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
 Hairy ice crystals on a frostweed stem in Lick Creek Park. College Station, Texas, December 1, 2020
 Cursed buttercup (Ranunculus sceleratus) on a recent pipeline cutting in Lick Creek Park. College Station, Texas, March 26, 2019
 Broken stem of frostweed exposing ice crystals in Lick Creek Park. College Station, Texas, December 1, 2020
 Inflating stem of frostweed showing fluffy crystals of ice in Lick Creek Park. College Station, Texas, December 1, 2020
 Pipeline right of way at morning in Lick Creek Park. College Station, Texas, October 23, 2024
 Ice crystals on a frostweed stems at morning in Lick Creek Park. College Station, Texas, January 3, 2022
 Frosty funnel mushrooms (Leucocybe candicans) on a mowed grassy path in Lick Creek Park. College Station, Texas, June 26, 2020
 Frosty lawn on Lick Creek Greenway Trail. College Station, Texas, December 11, 2023
 Morning glory (Ipomoea) near a new cutting in Lick Creek Park. College Station, Texas, August 2, 2018
 Morning sun and trees in Lick Creek Park. College Station, Texas, December 6, 2020
 Morning sun light in Lick Creek Park. College Station, Texas, December 6, 2020
 Morning mist in Lick Creek Park. College Station, Texas, December 6, 2020
 Black and red bug on frostweed on Raccoon Run Trail in Lick Creek Park. College Station, Texas, August 23, 2020
 Bushes and weeds on a pipeline right of way in Lick Creek Park. College Station, Texas, July 26, 2020
 Morning mist and sun rays in Lick Creek Park. College Station, Texas, December 6, 2020
 Trees and morning mist in Lick Creek Park. College Station, Texas, December 6, 2020
 Post Oak Trail with morning freeze in Lick Creek Park. College Station, Texas, December 1, 2020
 Ice crystals on elm leaves at cold morning in Lick Creek Park. College Station, Texas, December 1, 2020
 Yaupon holly with ice crystals at morning in Lick Creek Park. College Station, Texas, December 1, 2020
 American burnweed (Erechtites hieraciifolius) on a pipeline right of way in Lick Creek Park. College Station, Texas, July 26, 2020
 Beaked panicgrass (Panicum anceps) on a pipeline right of way in Lick Creek Park. College Station, Texas, July 26, 2020
 Prairie near Post Oak Trail with morning freeze in Lick Creek Park. College Station, Texas, December 1, 2020
 Morning freeze on a lawn near Nature Center in Lick Creek Park. College Station, Texas, December 1, 2020
 American burnweed (Erechtites hieraciifolius) with flowers on a pipeline right of way in Lick Creek Park. College Station, Texas, July 26, 2020
 Hairawn muhly grass with morning freeze near Nature Center in Lick Creek Park. College Station, Texas, December 1, 2020
 Frosty funnel mushrooms (Leucocybe candicans) on a lawn in Wolf Pen Creek Park. College Station, Texas, June 24, 2020
 Bushy bluestem (Andropogon glomeratus) with morning freeze near Nature Center in Lick Creek Park. College Station, Texas, December 1, 2020
 Tiny frosty funnel mushrooms Leucocybe candicans on a lawn in Wolf Pen Creek Park. College Station, Texas, June 24, 2020
 Morning freeze on hairawn muhly grass (Muhlenbergia capillaris) near Nature Center in Lick Creek Park. College Station, Texas, December 1, 2020
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