 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. 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
 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. 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) 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) after hard freeze in Lick Creek Park. College Station, Texas, January 3, 2022
 Frostweed (Verbesina virginica) after hard freeze in Lick Creek Park. College Station, Texas, January 10, 2024
 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
 Curly ice crystals grown on frostweed after hard freeze in Lick Creek Park. College Station, Texas, January 3, 2022
 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, January 3, 2022
 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
 Black aphids on leaves of frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, June 3, 2022
 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
 Frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, October 11, 2013
 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, September 20, 2020
 Frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, August 26, 2021
 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
 Dry plant of frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, September 13, 2023
 Dry leaves of frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, September 8, 2023
 Frostweed (Verbesina virginica) with aphids in Lick Creek Park. College Station, Texas, July 15, 2014
 Flowers of frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, October 11, 2013
 Dry plants of frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, September 8, 2023
 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
 Curly ice crystals grown on frostweed after hard freeze in Lick Creek Park. College Station, Texas, November 13, 2019
 Frostweed (Verbesina virginica) with a love bug (Plecia) in Lick Creek Park. College Station, Texas, September 20, 2020
 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) on Post Oak Trail in Lick Creek Park. College Station, Texas, September 7, 2009
 Bumblebee on flowers of frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, October 23, 2013
 Red aphids on a shoot of frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, July 18, 2020
 Red and black aphids on a plant of frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, August 12, 2021
 Inflated stems of frostweed (Verbesina virginica) at cold morning in Lick Creek Park. College Station, Texas, December 1, 2020
 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 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) 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
 Young puffball mushrooms Lycoperdon curtisii together with Nostoc on a sewer line right of way in Lick Creek Park. College Station, Texas, January 10, 2024
 Shoot of frostweed (Verbesina virginica) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 3, 2022
 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
 Ice flowers on frostweed in Lick Creek Park. College Station, Texas, January 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 crystals on a frostweed stems at morning in Lick Creek Park. College Station, Texas, January 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
 Yucca with morning freeze in Lick Creek Park. College Station, Texas, January 3, 2022
 Winter rosette of bull thistle (Cirsium horridulum) with freeze in Lick Creek Park. College Station, Texas, January 3, 2022
 Ice flowers on frostweed in Lick Creek Park. College Station, Texas, February 5, 2022
 Feathery ice crystals on frostweed in Lick Creek Park. College Station, Texas, February 5, 2022
 Freeze on prairie in Lick Creek Park. College Station, Texas, January 3, 2012
 Dead leaves of agave after hard freeze in the Gardens at Texas A and M University. College Station, Texas, March 27, 2021
 Dry vegetation on sewage line right of way in Lick Creek Park. College Station, Texas, August 4, 2022
 Common chickweed (Stellaria media) with morning freeze in Lick Creek Park. College Station, Texas, January 10, 2024
 A creek from a sewage line right of way in Lick Creek Park. College Station, Texas, July 11, 2022
 Path along Sewage line on Racoon Run Trail in Lick Creek Park. College Station, Texas, May 15, 2022
 Post oak trees on sewage line right of way in Lick Creek Park. College Station, Texas, August 4, 2022
 Sewage line clearing on Racoon Run Trail in Lick Creek Park. College Station, Texas, May 15, 2022
 Sewage line right of way in Lick Creek Park. College Station, Texas, January 27, 2008
 Sewage line right of way in Lick Creek Park. College Station, Texas, January 4, 2012
 Sewage line right of way in Lick Creek Park. College Station, Texas, January 8, 2011
 Sewage line in Lick Creek Park. College Station, Texas, January 18, 2014
 Sewage line right of way in Lick Creek Park. College Station, Texas, January 14, 2012
 Trees near a creek from a sewage line right of way in Lick Creek Park. College Station, Texas, June 27, 2022
 Vegetation around a creek from a sewage line right of way in Lick Creek Park. College Station, Texas, July 11, 2022
 A creek from a sewage line clearing in Lick Creek Park. College Station, Texas, July 11, 2022
 Orange drying grass on a sewage line right of way in Lick Creek Park. College Station, Texas, August 2, 2022
 Agaricus mushrooms under sumpweed on sewage line right-of-way in Lick Creek Park. College Station, Texas, September 12, 2022
 Underside of Agaricus mushroom on sewage line right-of-way in Lick Creek Park. College Station, Texas, September 12, 2022
 Sewage line right of way in Lick Creek Park after ice storm. College Station, Texas, January 17, 2007
 Oaks on sewage line right of way in Lick Creek Park. College Station, Texas, January 4, 2012
 Road near sewage line right of way in Lick Creek Park. College Station, Texas, January 4, 2012
 Oak tree on sewage line right of way in Lick Creek Park. College Station, Texas, January 27, 2008
 Oak trees on sewage line right of way in Lick Creek Park. College Station, Texas, January 4, 2012
 Cross section of Agaricus mushrooms on sewage line right-of-way in Lick Creek Park. College Station, Texas, September 12, 2022
 Some winter rosette on sandy soil on sewage line right of way in Lick Creek Park. College Station, Texas, March 14, 2022
 Pink gills of Agaricus mushroom on sewage line right-of-way in Lick Creek Park. College Station, Texas, September 12, 2022
 Icy grass on sewage line right of way in Lick Creek Park after ice storm. College Station, Texas, January 17, 2007
 Bearded sprangletop grass (Leptochloa fusca)(?) on a sewage line right of way in Lick Creek Park. College Station, Texas, June 27, 2022
 Sewage line right of way in Lick Creek Park after ice storm, view to the west. College Station, Texas, January 17, 2007
 Sewage line right of way with some ice in Lick Creek Park after ice storm, view to the west. College Station, Texas, January 17, 2007
 Dry seed head of basket flower (Centaurea americana) on a sewage line right of way in Lick Creek Park. College Station, Texas, June 27, 2022
 Purple winter rosette of sow thistle on sandy soil on sewage line right of way in Lick Creek Park. College Station, Texas, March 14, 2022
 Alum Creek crossing on a sewage line right of way at rainy weather in Lick Creek Park. College Station, Texas, January 25, 2024
 Tall goldenrod (Solidago) on a sewage line right of way at rainy weather in Lick Creek Park. College Station, Texas, January 25, 2024
 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
|