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862-14. Rosemary frostweed (Sun rose, Helianthemum rosmarinifolium) in Lick Creek Park. College Station, Texas, May 19, 2010Similar picturesLarge thumbnails | Use small thumbnails | View as slideshow |
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862-14. Rosemary frostweed (Sun rose, Helianthemum rosmarinifolium) in Lick Creek Park. College Station, Texas, May 19, 2010Similar picturesLarge thumbnails | Use small thumbnails | View as slideshow |
 Yellow flower of Rosemary frostweed (Sun rose, Helianthemum rosmarinifolium) in Lick Creek Park. College Station, Texas, May 3, 2008  Yellow flower of Rosemary frostweed (Sun rose, Helianthemum rosmarinifolium) on Post Oak Trail in Lick Creek Park. College Station, Texas, May 15, 2009  Blooming Rock-rose (frostweed, sunrose, Helianthemum carolinianum) in Sam Houston National Forest on Little Lake Creek Loop Trail. Richards, Texas, April 4, 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) 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  Yellow flower of rock-rose (frostweed, sunrose, Helianthemum carolinianum) in Bastrop State Park. Bastrop, Texas, April 25, 2021  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  Rock-rose (frostweed, sunrose, Helianthemum carolinianum) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 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) 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  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  Ice flowers on frostweed in Lick Creek Park. College Station, Texas, February 5, 2022  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  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  Frostweed leaves in Lick Creek Park. College Station, Texas, June 10, 2012  Frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, August 26, 2021  Frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, September 24, 2012  Young leaves of frostweed in Lick Creek Park. College Station, Texas, March 16, 2023  Details of ice flowers on frostweed in Lick Creek Park. College Station, Texas, December 1, 2020  Frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, October 3, 2022  Frostweed stem with ice crystals 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  Ice crystals on frostweed seeds in Lick Creek Park. College Station, Texas, December 1, 2020  Feathery ice crystals on frostweed in Lick Creek Park. College Station, Texas, February 5, 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 11, 2013  Frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, September 20, 2020  Frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, September 22, 2021  Dry plant of frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, September 13, 2023  Close-up of ice crystals on a frostweed stem in Lick Creek Park. College Station, Texas, December 1, 2020  Black and red aphids on a leaf of frostweed in Lick Creek Park. College Station, Texas, July 15, 2014  Dry leaves of frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, September 8, 2023  Dry plants 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, October 11, 2013  Hairy ice crystals on a frostweed stem in Lick Creek Park. College Station, Texas, December 1, 2020  Frostweed (Verbesina virginica) with aphids in Lick Creek Park. College Station, Texas, July 15, 2014  Texture of ice crystals on a frostweed stem 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  Frostweed and a thistle on Racoon Run Trail in Lick Creek Park. College Station, Texas, July 17, 2013  Ice crystals on a frostweed stems at morning in Lick Creek Park. College Station, Texas, January 3, 2022  Black and red bug on frostweed on Raccoon Run Trail in Lick Creek Park. College Station, Texas, August 23, 2020  Flowers of frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, September 20, 2020  Exoskeleton of a molted cicada on frostweed in Lick Creek Park. College Station, Texas, July 24, 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) at frosty morning in Lick Creek Park. College Station, Texas, January 3, 2022  Frostweed (Verbesina virginica) after hard freeze in Lick Creek Park. College Station, Texas, January 3, 2022  Broken stem of frostweed exposing ice crystals in Lick Creek Park. College Station, Texas, December 1, 2020  Bumblebee on flowers of frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, October 23, 2013  Cracked stem of frostweed after a cold morning in Lick Creek Park. College Station, Texas, December 1, 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  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  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  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  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  Inflated stems of frostweed (Verbesina virginica) at cold 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  White flowers of frostweed (Verbesina virginica) on Raccoon Run Trail in Lick Creek Park. College Station, Texas, August 23, 2020  Dusky-Blue Groundstreak (Calycopis isobeon) butterfly on frostweed in Lick Creek Park. College Station, Texas, September 12, 2008  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) at frosty morning on a pipeline forest cutting in Lick Creek Park. College Station, Texas, December 1, 2020  Stink bug nymph (Euschistus) on a seed head of frostweed in Lick Creek Park, on Iron Bridge Trail. College Station, Texas, October 19, 2008  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) 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  Rock-rose (Helianthemum carolinianum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020  Rock-rose (Helianthemum carolinianum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023  Blooming rock-rose (Helianthemum carolinianum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023  Blooming rock-rose (Helianthemum carolinianum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023  Rock-rose (Helianthemum carolinianum) on Road FS 203 near on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024  Yellow flower of rock-rose (Helianthemum carolinianum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023  Yellow flower of rock-rose (Helianthemum carolinianum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023  Some poroid crust fungus on a mulberry on Rosemary Lane. College Station, Texas, November 1, 2017  Bee fly (Bombyliidae) in Lick Creek Park. College Station, Texas, October 29, 2010 |
