Frostweed (Verbesina virginica) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, November 17, 2019
Dusky-Blue Groundstreak (Calycopis isobeon) butterfly on frostweed in Lick Creek Park. College Station, Texas, September 12, 2008
Rosemary frostweed (Sun rose, Helianthemum rosmarinifolium) in Lick Creek Park. College Station, Texas, May 19, 2010
Yellow flower of Rosemary frostweed (Sun rose, Helianthemum rosmarinifolium) in Lick Creek Park. College Station, Texas, May 3, 2008
Exoskeleton of a molted cicada on frostweed in Lick Creek Park. College Station, Texas, July 24, 2013
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
Stink bug nymph (Euschistus) on a seed head of frostweed in Lick Creek Park, on Iron Bridge Trail. College Station, Texas, October 19, 2008
Yellow flower of Rosemary frostweed (Sun rose, Helianthemum rosmarinifolium) on Post Oak Trail in Lick Creek Park. College Station, Texas, May 15, 2009
Frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, September 24, 2012
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
Yellow flower of Rock-rose (frostweed, sunrose, Helianthemum carolinianum) in Sam Houston National Forest on Little Lake Creek Loop Trail. Richards, Texas, April 4, 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. 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 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. The stems split and exude sap that freezes into fascinating shapes. College Station, Texas, January 9, 2010
Red-banded Hairstreak (Calycopis cecrops) butterfly on a frostweed flower in Lick Creek Park. College Station, Texas, September 12, 2008
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
Blooming Rock-rose (frostweed, sunrose, Helianthemum carolinianum) in Sam Houston National Forest on Little Lake Creek Loop Trail. Richards, Texas, April 4, 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
Bumblebee on flowers of frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, October 23, 2013
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. 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. Petals of frost flowers are very delicate and will break when touched. College Station, Texas, January 9, 2010
Frostweed and a thistle on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013
Frostweed (Verbesina virginica) on Post Oak Trail in Lick Creek Park. College Station, Texas, September 7, 2009
Frostweed leaves in Lick Creek Park. College Station, Texas, June 10, 2012
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, October 11, 2013
Frostweed with aphids on Park Hudson Trail. College Station, Texas, June 30, 2014
Red aphids on a leaf of frostweed in Lick Creek Park. College Station, Texas, July 15, 2014
Frostweed (Verbesina virginica) with aphids in Lick Creek Park. College Station, Texas, July 15, 2014
Black and red aphids on a leaf of frostweed in Lick Creek Park. College Station, Texas, July 15, 2014
Frostweed (Verbesina virginica) on Park Hudson Trail. College Station, Texas, August 6, 2014
Frostweed (Verbesina virginica) with black aphids in Lick Creek Park. College Station, Texas, June 9, 2019
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
Frostweed (Verbesina virginica) with a love bug (Plecia) 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
Flower of rock-rose (frostweed, sunrose, Helianthemum carolinianum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
Blooming rock-rose (frostweed, sunrose, Helianthemum carolinianum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
Yellow flower of rock-rose (frostweed, sunrose, Helianthemum carolinianum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
Red aphids on a shoot of frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, July 18, 2020
White flowers of frostweed (Verbesina virginica) on Raccoon Run Trail in Lick Creek Park. College Station, Texas, August 23, 2020
Black and red bug on frostweed on Raccoon Run Trail in Lick Creek Park. College Station, Texas, August 23, 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
Frostweed (Verbesina virginica) at frosty morning on a pipeline forest cutting 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
Hairy ice crystals on a frostweed stem 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, December 1, 2020
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
Broken stem of frostweed exposing ice crystals 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
Details of ice flowers on frostweed 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
Cracked stem of frostweed after a cold morning in Lick Creek Park. College Station, Texas, December 1, 2020
Ice flowers on frostweed 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
