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820-19. 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, 2010Similar picturesLarge thumbnails | Use small thumbnails | View as slideshow |
 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. 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 easily melted and are usually visible in the early morning or in shaded areas. 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. 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. College Station, Texas, January 3, 2022  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 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  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  Flowers of frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, September 20, 2020  Ice flowers on frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, December 1, 2020  Red and black aphids on a plant of frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, August 12, 2021  Bumblebee on flowers of frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, October 23, 2013  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  White flowers of frostweed (Verbesina virginica) on Raccoon Run Trail in Lick Creek Park. College Station, Texas, August 23, 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  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 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, October 11, 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 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  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  Frostweed (Verbesina virginica) with aphids in Lick Creek Park. College Station, Texas, July 15, 2014  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) on Post Oak Trail in Lick Creek Park. College Station, Texas, September 7, 2009  Crab spider on frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, September 22, 2021  Red aphids on a shoot of frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, July 18, 2020  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  Frost-weed (Verbesina virginica) on Iron Bridge Trail in Lick Creek Park. College Station, Texas, September 12, 2008  Inflated stems of frostweed (Verbesina virginica) at cold morning in Lick Creek Park. College Station, Texas, December 1, 2020  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 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  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  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  Dead tree on sewage line right of way in fog in Lick Creek Park. College Station, Texas, September 15, 2010  Dead leaves of agave after hard freeze in the Gardens at Texas A and M University. College Station, Texas, March 27, 2021  Frostweed stem with ice crystals in Lick Creek Park. College Station, Texas, December 1, 2020  Ice flowers on frostweed in Lick Creek Park. College Station, Texas, January 3, 2022  Frostweed (Verbesina virginica) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 17, 2019  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  Hairy ice crystals on a frostweed stem in Lick Creek Park. College Station, Texas, December 1, 2020  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  Broken stem of frostweed exposing ice crystals in Lick Creek Park. College Station, Texas, December 1, 2020  Cracked stem of frostweed after a cold morning 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  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  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  Thorny shoot of blackberry in open area over sewage line in Lick Creek Park. College Station, Texas, March 31, 2023  Stink bug nymph (Euschistus) on a seed head of frostweed in Lick Creek Park, on Iron Bridge Trail. College Station, Texas, October 19, 2008  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  Dry seed heads of spotted beebalm (Monarda punctata) on a sewage line right of way in Lick Creek Park. College Station, Texas, July 18, 2020  Rosemary frostweed (Sun rose, Helianthemum rosmarinifolium) in Lick Creek Park. College Station, Texas, May 19, 2010  Wrinkled berries of beautyberry damaged by frost in Lick Creek Park. College Station, Texas, October 24, 2010  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  Morning freeze on an ornamental plant on a lawn in Bee Creek Park. College Station, Texas, January 8, 2020  Cotyledons (seed leaves) of seedlings collected and deposited by rainwater on Raccoon Run Trail west from a water treatment plant in Lick Creek Park. College Station, Texas, January 18, 2024  Details of ice flowers on frostweed in Lick Creek Park. College Station, Texas, December 1, 2020  Spring beauty flowers (Claytonia virginica) in Lick Creek Park. College Station, Texas, February 27, 2024  Frost rimmed red leaf of oak in Lick Creek Park. College Station, Texas, January 17, 2013  Sewage line right of way in fog in Lick Creek Park. College Station, Texas, September 15, 2010  Red berries of yaupon holly (Ilex vomitoria) with freeze in Lick Creek Park. College Station, Texas, December 27, 2010  Immature seed head of yellow thistle (Bull thistle, Cirsium horridulum) on sewage line right-of-way in Lick Creek Park. College Station, Texas, May 2, 2023  Dead orange flowers of leonotis killed by recent frost in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, December 10, 2009  Morning freeze on henbit deadnettle flowers on a lawn in Bee Creek Park. College Station, Texas, January 8, 2020  Frost on berries of greenbrier (Smilax) in Lick Creek Park. College Station, Texas, January 17, 2013  Morning frost on small plants in Lick Creek Park. College Station, Texas, January 10, 2024  Frost rimmed back lit oak leaf in Lick Creek Park. College Station, Texas, January 17, 2013  Dense fog on sewage line right of way in Lick Creek Park. College Station, Texas, September 15, 2010  Ice crystals on a frostweed stems at morning in Lick Creek Park. College Station, Texas, January 3, 2022  Morning frost on farkleberry (Vaccinium arboreum) in Lick Creek Park. College Station, Texas, January 17, 2013  Frost covered farkleberry (Vaccinium arboreum) in Lick Creek Park. College Station, Texas, January 17, 2013  Shoot of some plant on sewage line right-of-way in Lick Creek Park. College Station, Texas, April 17, 2023  Deer Run Trail on sewage line right of way in Lick Creek Park. College Station, Texas, September 15, 2010  Freeze on prairie in Lick Creek Park. College Station, Texas, January 3, 2012  Seed head of a plant of aster family in Lick Creek Park. College Station, Texas, September 29, 2022  Frost on Southern wax myrtle (Bayberry, Myrica cerifera) in Lick Creek Park. College Station, Texas, January 17, 2013  Frost rimmed orange leaves of greenbrier (Smilax) in Lick Creek Park. College Station, Texas, January 17, 2013 |