![](../../pictures/archives/compress/2022/3096/jpeg/23t.jpg) Frosted leaves of curly dock (Rumex crispus) near the creek in Bee Creek Park. College Station, Texas, January 4, 2022
![](../../pictures/archives/compress/2022/3096/jpeg/16t.jpg) Frosted curly dock (Rumex crispus) near the creek in Bee Creek Park. College Station, Texas, January 4, 2022
![](../../pictures/archives/compress/2022/3096/jpeg/22t.jpg) Pattern of ice on curly dock (Rumex crispus) near the creek in Bee Creek Park. College Station, Texas, January 4, 2022
![](../../pictures/archives/compress/2022/3180/jpeg/08t.jpg) Dry seeds of curly dock (Rumex crispus) in Lick Creek Park. College Station, Texas, June 22, 2022
![](../../pictures/archives/compress/2023/3348/jpeg/13t.jpg) Leaves of curly dock (Rumex crispus) with reddish purple blotches caused by fungus Ramularia rubella in Bee Creek Park. College Station, Texas, February 24, 2023
![](../../pictures/archives/compress/2023/3372/jpeg/24t.jpg) Green seeds of curly dock (Rumex crispus) in Lick Creek Park. College Station, Texas, March 27, 2023
![](../../pictures/archives/compress/2023/3348/jpeg/20t.jpg) Leaf of curly dock (Rumex crispus) with fungus Ramularia rubella under a microscope (in KOH), collected in Bee Creek Park. College Station, Texas, February 24, 2023
![](../../pictures/archives/compress/2023/3348/jpeg/16t.jpg) Read leaf of curly dock (Rumex crispus) with fungus Ramularia rubella under a microscope in KOH, collected in Bee Creek Park. College Station, Texas, February 24, 2023
![](../../pictures/archives/compress/2023/3348/jpeg/18t.jpg) Read leaf of curly dock (Rumex crispus) with fungus Ramularia rubella under a microscope (in Melzer), collected in Bee Creek Park. College Station, Texas, February 24, 2023
![](../../pictures/archives/compress/2023/3348/jpeg/15t.jpg) Underside of a leaf of curly dock (Rumex crispus) with reddish purple blotches caused by fungus Ramularia rubella in Bee Creek Park. College Station, Texas, February 24, 2023
![](../../pictures/archives/compress/2023/3348/jpeg/17t.jpg) Read leaf of curly dock (Rumex crispus) with fungus Ramularia rubella under a microscope (in Melzer, low magnification), collected in Bee Creek Park. College Station, Texas, February 24, 2023
![](../../pictures/archives/compress/2023/3348/jpeg/19t.jpg) Some round structure on a leaf of curly dock (Rumex crispus) with fungus Ramularia rubella under a microscope (in Melzer), collected in Bee Creek Park. College Station, Texas, February 24, 2023
![](../../pictures/archives/compress/2023/3348/jpeg/14t.jpg) Close-up of a leaf of curly dock (Rumex crispus) with reddish purple blotches caused by fungus Ramularia rubella in Bee Creek Park. College Station, Texas, February 24, 2023
![](../../pictures/archives/compress/2023/3412/jpeg/24t.jpg) Dry plant of curly dock (Rumex crispus) with seeds in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, September 5, 2023
![](../../pictures/archives/compress/2022/3126/jpeg/01t.jpg) Black aphids on curly dock (Rumex) in a ditch in Bee Creek Park. College Station, Texas, April 5, 2022
![](../../pictures/archives/compress/2022/3126/jpeg/02t.jpg) Large number of black aphids on curly dock (Rumex) in Bee Creek Park. College Station, Texas, April 5, 2022
![](../../pictures/archives/compress/2022/3096/jpeg/13t.jpg) Ice crystals on leaves of curly dock near the creek in Bee Creek Park. College Station, Texas, January 4, 2022
![](../../pictures/archives/compress/2022/3096/jpeg/14t.jpg) Pattern of ice crystals on leaves of curly dock near the creek in Bee Creek Park. College Station, Texas, January 4, 2022
![](../../pictures/archives/compress/2015/1559/jpeg/01t.jpg) Curly dock (Rumex crispus) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 2015
![](../../pictures/archives/compress/2015/1548/jpeg/10t.jpg) Fruits of curly dock (Rumex crispus) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
![](../../pictures/archives/compress/2015/1559/jpeg/21t.jpg) Curly dock (Rumex crispus) on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, March 14, 2015
![](../../pictures/archives/compress/2015/1548/jpeg/08t.jpg) Curly dock (Rumex crispus) in a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
![](../../pictures/archives/compress/2015/1548/jpeg/09t.jpg) Flowers of curly dock (Rumex crispus) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
![](../../pictures/archives/compress/2015/1548/jpeg/11t.jpg) Close up of fruits of curly dock (Rumex crispus) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
![](../../pictures/archives/compress/2008/631/jpeg/18t.jpg) Flowers of curly dock (Rumex crispus)(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 13, 2008
![](../../pictures/archives/compress/2015/1548/jpeg/12t.jpg) Green seeds of curly dock (Rumex crispus) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, February 20, 2015
![](../../pictures/archives/compress/2012/1048/jpeg/24t.jpg) Black Eyed Susan (Rudbeckia hirta) and curly dock (Rumex) in Lick Creek Park. College Station, Texas, May 3, 2012
![](../../pictures/archives/compress/2010/859/jpeg/11t.jpg) Salt Marsh Moth caterpillar (Estigmene acrea) feeding on curly dock (Rumex) in Lick Creek Park. College Station, Texas, May 13, 2010
![](../../pictures/archives/compress/2021/2881/jpeg/07t.jpg) Ramularia leaf spot fungus (Ramularia rubella) on curly dock (Rumex crispus) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2021
![](../../pictures/archives/compress/2021/2881/jpeg/08t.jpg) Close-up of Ramularia leaf spot fungus (Ramularia rubella) on curly dock (Rumex crispus) in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2021
![](../../pictures/archives/compress/2022/3096/jpeg/20t.jpg) Leaf texture of an icy leaf of curly dock near the creek in Bee Creek Park. College Station, Texas, January 4, 2022
![](../../pictures/archives/compress/2022/3096/jpeg/10t.jpg) Frost covered grass leaves near the creek in Bee Creek Park. College Station, Texas, January 4, 2022
![](../../pictures/archives/compress/2009/747/jpeg/04t.jpg) Mature seed head of curly dock (Rumex) in McKinney Falls State Park near Austin. Texas, May 10, 2009
![](../../pictures/archives/compress/2012/1050/jpeg/18t.jpg) Black-eyed susan, Mock Bishop s Weed, and Curly Dock in Lick Creek Park. College Station, Texas, May 7, 2012
![](../../pictures/archives/compress/2022/3096/jpeg/12t.jpg) Leaf of giant ragweed(?) with frost near the creek in Bee Creek Park. College Station, Texas, January 4, 2022
![](../../pictures/archives/compress/2013/1133/jpeg/02t.jpg) Frost rimmed leaves of farkleberry (Vaccinium arboreum) in Lick Creek Park. College Station, Texas, January 17, 2013
![](../../pictures/archives/compress/2013/1133/jpeg/19t.jpg) Frost rimmed orange leaves of greenbrier (Smilax) in Lick Creek Park. College Station, Texas, January 17, 2013
![](../../pictures/archives/compress/2010/856/jpeg/12t.jpg) Yellow hairy caterpillar of Salt Marsh Moth (Estigmene acrea) on dock (Rumex) in Lick Creek Park. College Station, Texas, April 27, 2010
![](../../pictures/archives/compress/2013/1133/jpeg/03t.jpg) Back lit frost rimmed leaves of farkleberry (Vaccinium arboreum) in Lick Creek Park. College Station, Texas, January 17, 2013
![](../../pictures/archives/compress/2013/1133/jpeg/13t.jpg) Frost rimmed orange leaves of farkleberry (Vaccinium arboreum) in Lick Creek Park. College Station, Texas, January 17, 2013
![](../../pictures/archives/compress/2022/3096/jpeg/05t.jpg) Curly ice crystals grown on frostweed after hard freeze in Lick Creek Park. College Station, Texas, January 3, 2022
![](../../pictures/archives/compress/2009/704/jpeg/19t.jpg) Curly-leafed cabbage (ornamental kale) in frost in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 29, 2009
![](../../pictures/archives/compress/2023/3328/jpeg/08t.jpg) Curly dock growing in the lake at low water level near Birch Creek Unit of Somerville Lake State Park. Texas, January 16, 2023
![](../../pictures/archives/compress/2014/1468/jpeg/04t.jpg) Dock (Rumex) in Lemontree Park. College Station, Texas, July 27, 2014
![](../../pictures/archives/compress/2010/820/jpeg/25t.jpg) 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
![](../../pictures/archives/compress/2019/2516/jpeg/02t.jpg) Leaves of bitter dock (Rumex obtusifolius) with reddish purple blotches caused by fungus Ramularia rubella in Sosnovka Park. Saint Petersburg, Russia, May 30, 2019
![](../../pictures/archives/compress/2019/2516/jpeg/01t.jpg) Reddish purple blotches on leaves of broad leaved dock (Rumex obtusifolius) caused by a plant pathogen fungus Ramularia rubella in Sosnovka Park. Saint Petersburg, Russia, May 30, 2019
![](../../pictures/archives/compress/2021/2916/jpeg/26t.jpg) Bladder dock (Rumex) in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, April 23, 2021
![](../../pictures/archives/compress/2008/680/jpeg/02t.jpg) Long curly strands of grayish linear leaves of Spanish moss (Tillandsia usneoides) in Lick Creek Park. College Station, Texas, October 19, 2008
![](../../pictures/archives/compress/2022/3105/jpeg/03t.jpg) Rime frost on grass blades in Lick Creek Park. College Station, Texas, February 5, 2022
![](../../pictures/archives/compress/2015/1533/jpeg/24t.jpg) Bladder dock (Rumex vesicarius) found on roadside near IKEA supermarket. Doha, Qatar, January 24, 2015
![](../../pictures/archives/compress/2022/3105/jpeg/02t.jpg) Spiky comb-like rime frost on the ground in Lick Creek Park. College Station, Texas, February 5, 2022
![](../../pictures/archives/compress/2013/1133/jpeg/15t.jpg) Frost rimmed red leaf of oak in Lick Creek Park. College Station, Texas, January 17, 2013
![](../../pictures/archives/compress/2022/3105/jpeg/04t.jpg) Rime frost on grass in a frozen water pool in Lick Creek Park. College Station, Texas, February 5, 2022
![](../../pictures/archives/compress/2024/3458/jpeg/08t.jpg) Morning frost on small plants in Lick Creek Park. College Station, Texas, January 10, 2024
![](../../pictures/archives/compress/2013/1133/jpeg/07t.jpg) Frost on berries of greenbrier (Smilax) in Lick Creek Park. College Station, Texas, January 17, 2013
![](../../pictures/archives/compress/2013/1133/jpeg/20t.jpg) Frost rimmed back lit oak leaf in Lick Creek Park. College Station, Texas, January 17, 2013
![](../../pictures/archives/compress/2022/3096/jpeg/19t.jpg) Ice crystals on leaves of hardy swamp lily (Crinum bulbispermum) near the creek in Bee Creek Park. College Station, Texas, January 4, 2022
![](../../pictures/archives/compress/2013/1133/jpeg/12t.jpg) Morning frost on farkleberry (Vaccinium arboreum) in Lick Creek Park. College Station, Texas, January 17, 2013
![](../../pictures/archives/compress/2013/1133/jpeg/09t.jpg) Frost covered farkleberry (Vaccinium arboreum) in Lick Creek Park. College Station, Texas, January 17, 2013
![](../../pictures/archives/compress/2013/1133/jpeg/08t.jpg) Frost on Southern wax myrtle (Bayberry, Myrica cerifera) in Lick Creek Park. College Station, Texas, January 17, 2013
![](../../pictures/archives/compress/2013/1133/jpeg/18t.jpg) Frost covered orange leaf of greenbrier (Smilax) in Lick Creek Park. College Station, Texas, January 17, 2013
![](../../pictures/archives/compress/2013/1133/jpeg/11t.jpg) Frost rimmed orange leaf of farkleberry (Vaccinium arboreum) in Lick Creek Park. College Station, Texas, January 17, 2013
![](../../pictures/archives/compress/2016/1736/jpeg/27t.jpg) Blooming Bladder dock (Rumex vesicarius, local name Hummeid) on a roadside east from Al Jebail water treatment plant. Al Khor, Qatar, January 23, 2016
![](../../pictures/archives/compress/2009/700/jpeg/17t.jpg) Curly leaves of ornamental cabbage (Brassica oleracea) in TAMU Holistic Garden in Texas A and M University. College Station, Texas, January 14, 2009
![](../../pictures/archives/compress/2013/1133/jpeg/10t.jpg) Frost rimmed brilliant orange leaf of farkleberry (Vaccinium arboreum) in Lick Creek Park. College Station, Texas, January 17, 2013
![](../../pictures/archives/compress/2015/1533/jpeg/25t.jpg) Striped Hawkmoth caterpillar (Hyles livornica) eating bladder dock (Rumex vesicarius) found on roadside near IKEA supermarket. Doha, Qatar, January 24, 2015
![](../../pictures/archives/compress/2009/702/jpeg/11t.jpg) Frost on cabbage leaves in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 21, 2009
![](../../pictures/archives/compress/2022/3098/jpeg/01t.jpg) Mushrooms Leucopaxillus laterarius on oak leaves in Anderson Arboretum at bee Creek Park. College Station, Texas, January 14, 2022
![](../../pictures/archives/compress/2009/702/jpeg/12t.jpg) Frost and ice crystals on cabbage leaves in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 21, 2009
![](../../pictures/archives/compress/2009/702/jpeg/13t.jpg) Frost on rainbow chard (beet) leaves in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 21, 2009
![](../../pictures/archives/compress/2010/871/jpeg/07t.jpg) Dock (Rumex) seeds in Sosnovka Park in Saint Petersburg. Russia, June 24, 2010
![](../../pictures/archives/compress/2009/702/jpeg/16t.jpg) Frost on leaves of rosette of skullcap (scutellaria ovata) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 21, 2009
![](../../pictures/archives/compress/2010/820/jpeg/22t.jpg) 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
![](../../pictures/archives/compress/2010/820/jpeg/18t.jpg) 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
![](../../pictures/archives/compress/2022/3207/jpeg/01t.jpg) Yellow leaves of Nandina domestica and dried oak leaves in Wolf Pen Creek Park. College Station, Texas, August 8, 2022
![](../../pictures/archives/compress/2011/971/jpeg/11t.jpg) Curly dock in fields west from Deviatkino. Saint Petersburg, Russia, June 29, 2011
![](../../pictures/archives/compress/2011/906/jpeg/01t.jpg) Laughing gym (spectacular rustgill, Gymnopilus spectabilis, Gymnopilus junonius)(?) mushrooms damaged by frost at a tree base near Racoon Run Trail in Lick Creek Park. College Station, Texas, January 4, 2011
![](../../pictures/archives/compress/2010/820/jpeg/21t.jpg) 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
![](../../pictures/archives/compress/2022/3212/jpeg/18t.jpg) Brown rotting leaves together with yellow leaves of winged elm on the ground after recent rains in Lick Creek Park. College Station, Texas, August 19, 2022
![](../../pictures/archives/compress/2015/1558/jpeg/03t.jpg) Bladder dock (Rumex vesicarius) taken from Al Luqta area. Doha, Qatar, March 13, 2015
![](../../pictures/archives/compress/2015/1545/jpeg/01t.jpg) Bladder dock (Rumex vesicarius) found on roadside of Dukhan Road. Qatar, February 13, 2015
![](../../pictures/archives/compress/2010/820/jpeg/19t.jpg) 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
![](../../pictures/archives/compress/2009/744/jpeg/19t.jpg) Sheep sorrel (Rumex) in Lick Creek Park. College Station, Texas, May 7, 2009
![](../../pictures/archives/compress/2010/857/jpeg/05t.jpg) Sheep sorrel (Rumex) in dew in Lick Creek Park. College Station, Texas, May 4, 2010
![](../../pictures/archives/compress/2022/3210/jpeg/30t.jpg) Brown leaves on elm trees near a creek in Lick Creek Park. College Station, Texas, August 15, 2022
![](../../pictures/archives/compress/2016/1773/jpeg/02t.jpg) Bladder dock (Rumex vesicarius, local name Hummeid) on roadside of Salwa Road. Qatar, March 4, 2016
![](../../pictures/archives/compress/2015/1628/jpeg/12t.jpg) Seeds of dock (Rumex) near Oredezh River. Siverskaya south from Saint Petersburg, Russia, July 20, 2015
![](../../pictures/archives/compress/2016/1869/jpeg/15t.jpg) Seashore dock (Rumex maritimus) in Sestroretsk, north-west from Saint Petersburg. Russia, July 30, 2016
![](../../pictures/archives/compress/2022/3205/jpeg/02t.jpg) Leaves of common pennywort (Hydrocotyle umbellata) in a creek in Bee Creek Park. College Station, Texas, August 5, 2022
![](../../pictures/archives/compress/2016/1869/jpeg/09t.jpg) Fruits of seashore dock (Rumex maritimus) in Sestroretsk, north-west from Saint Petersburg. Russia, July 30, 2016
![](../../pictures/archives/compress/2016/1803/jpeg/02t.jpg) Bladder dock (Rumex vesicarius, local name Hummeid) on roadside of Salwa Highway. Southern Qatar, April 8, 2016
![](../../pictures/archives/compress/2014/1361/jpeg/01t.jpg) Bladder dock (Rumex vesicarius, local name Hummeid) in silty depression near Ras Laffan. Northern Qatar, February 28, 2014
![](../../pictures/archives/compress/2019/2593/jpeg/03t.jpg) Curly ice crystals grown on frostweed after hard freeze in Lick Creek Park. College Station, Texas, November 13, 2019
![](../../pictures/archives/compress/2016/1862/jpeg/06t.jpg) Asiatic dock (Rumex confertus, Russian name Shchavel) in fields near Deviatkino in northern Saint Petersburg. Russia, July 25, 2016
![](../../pictures/archives/compress/2016/1849/jpeg/25t.jpg) Seashore dock (Rumex maritimus) behind reeds on a beach in Sestroretsk, north-west from Saint Petersburg. Russia, July 8, 2016
![](../../pictures/archives/compress/2024/3593/jpeg/02t.jpg) Seashore dock (Rumex maritimus) behind reeds on a beach in Sestroretsk, north-west from Saint Petersburg. Russia, August 7, 2024
![](../../pictures/archives/compress/2013/1315/jpeg/09t.jpg) Leaf of muscadine grape after frost in Wolf Pen Creek Park. College Station, Texas, December 10, 2013
![](../../pictures/archives/compress/2016/1811/jpeg/01t.jpg) Aegean dock (Rumex dentatus) taken from Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 22, 2016
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