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2473-12. Common yellow oxalis (Oxalis stricta) with sorrel rust fungus (Puccinia oxalidis) in wet area on Raccoon Run Trail in Lick Creek Park. College Station, Texas, March 26, 2019Similar picturesLarge thumbnails | Use small thumbnails | View as slideshow |
 Common yellow oxalis (Oxalis stricta) with sorrel rust fungus (Puccinia oxalidis) in wet area on Raccoon Run Trail in Lick Creek Park. College Station, Texas, March 22, 2019  Sorrel rust fungus (Puccinia oxalidis) on yellow oxalis (Oxalis stricta) in wet area on Raccoon Run Trail in Lick Creek Park. College Station, Texas, March 26, 2019  Leaves of yellow oxalis (Oxalis stricta) with sorrel rust fungus (Puccinia oxalidis) in wet area on Raccoon Run Trail in Lick Creek Park. College Station, Texas, March 26, 2019  Common yellow wood sorrel (Oxalis stricta) on Lost Pines Trail in Bastrop State Park. Bastrop, Texas, March 14, 2019  Blooming common yellow wood sorrel (Oxalis stricta) on Lost Pines Trail in Bastrop State Park. Bastrop, Texas, March 14, 2019  Yellow flowers of common wood sorrel (Oxalis stricta) on Lost Pines Trail in Bastrop State Park. Bastrop, Texas, March 14, 2019  Close up of yellow flowers of common wood sorrel (Oxalis stricta) on Lost Pines Trail in Bastrop State Park. Bastrop, Texas, March 14, 2019  Yellow wood sorrel (Oxalis stricta) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020  Yellow wood sorrel (Oxalis stricta) on Richards Loop Trail in Sam Houston National Forest. Texas, March 26, 2020  Flowers of yellow wood sorrel (Oxalis stricta) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020  Tiny purple flower of Violet wood sorrel (shamrock, Oxalis) on Deer Run Trail in Lick Creek Park. College Station, Texas, September 30, 2008  Yellow woodsorrel (Oxalis stricta) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 9, 2019  Blooming yellow wood sorrel (shamrock, Oxalis dillenii?) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 29, 2009  Blooming yellow wood sorrel (shamrock, Oxalis dillenii?) with soldier flies (Stratiomyidae) in Big Thicket park on Sandhill Loop Trail. Texas, March 23, 2008  Orange-yellow rust fungus Puccinia poarum (Puccinia liatridis) on a leaf of gayfeather (Liatris) on Richards Loop Trail in Sam Houston National Forest. Texas, March 26, 2020  Basal leaves of gayfeather (Liatris) with orange-yellow rust fungus Puccinia poarum (Puccinia liatridis) on Richards Loop Trail in Sam Houston National Forest. Texas, March 26, 2020  Orange-yellow rust fungus Puccinia poarum (Puccinia liatridis) on basal leaves of gayfeather (Liatris) on Richards Loop Trail in Sam Houston National Forest. Texas, March 26, 2020  Close-up of orange-yellow rust fungus Puccinia poarum (Puccinia liatridis) on basal leaves of gayfeather (Liatris) on Richards Loop Trail in Sam Houston National Forest. Texas, March 26, 2020  Underside of basal leaves of gayfeather (Liatris) with orange-yellow rust fungus Puccinia poarum (Puccinia liatridis) on Richards Loop Trail in Sam Houston National Forest. Texas, March 26, 2020  Yellow wood sorrel (shamrock, Oxalis dillenii?) in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, May 26, 2012  Yellow flower of wood sorrel (shamrock, Oxalis dillenii?) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 13, 2012  Blooming yellow wood sorrel (shamrock, Oxalis dillenii?) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 13, 2012  May apple (mandrake, Podophyllum peltatum) with yellow spots caused by mayapple rust fungus Allodus podophylli (Puccinia podophylli) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, March 30, 2019  Blister-like pustules on underside and yellow-orange sunken spots on upper leaf surface of Geranium carolinianum caused by hollyhock or mallow rust fungus (Puccinia malvacearum), taken from a lawn near apartments on George Bush Drive. College Station, Texas, March 13, 2019  Inflorescence of common witchgrass (Panicum capillare) on Raccoon Run Trail on Raccoon Run Trail in Lick Creek Park. College Station, Texas, August 23, 2020  Blooming common witchgrass (Panicum capillare) on Raccoon Run Trail on Raccoon Run Trail in Lick Creek Park. College Station, Texas, August 23, 2020  Violet wood sorrel (shamrock, Oxalis violacea) on Richards Loop Trail in Sam Houston National Forest. Texas, March 26, 2020  Violet wood sorrel (shamrock, Oxalis violacea) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020  Leaves of May apple (Podophyllum peltatum) with yellow spots caused by mayapple rust fungus Allodus podophylli (Puccinia podophylli) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, March 23, 2020  Leaves of Geranium carolinianum with blister-like pustules of hollyhock or mallow rust fungus (Puccinia malvacearum) taken from a lawn near apartments on George Bush Drive. College Station, Texas, March 11, 2019  Leaves of Geranium carolinianum with blister-like pustules of hollyhock or mallow rust fungus (Puccinia malvacearum) taken from a lawn near apartments on George Bush Drive. College Station, Texas, March 13, 2019  Violet wood sorrel (Oxalis violacea) on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019  Back lit leaf with blister-like pustules of hollyhock or mallow rust fungus (Puccinia malvacearum) on Geranium carolinianum taken from a lawn near apartments on George Bush Drive. College Station, Texas, March 13, 2019  Flower of violet wood sorrel (Oxalis violacea) on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019  Violet wood sorrel (shamrock, Oxalis violacea?) in Big Thicket park on Sundew Trail. Texas, October 11, 2008  Blister-like pustules of hollyhock or mallow rust fungus (Puccinia malvacearum) on lower leaf surface of Geranium carolinianum on a lawn near apartments on George Bush Drive. College Station, Texas, March 11, 2019  Blister-like pustules of hollyhock or mallow rust fungus (Puccinia malvacearum) on lower leaf surface of Geranium carolinianum taken from a lawn near apartments on George Bush Drive. College Station, Texas, March 13, 2019  Underside of a leaf of May apple (Podophyllum peltatum) with mayapple rust fungus (Allodus podophylli, Puccinia podophylli) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, March 16, 2019  Young plants of May apple (Podophyllum peltatum) with mayapple rust fungus Allodus podophylli (Puccinia podophylli) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, March 2, 2019  Orange-brown bumps on underside of Geranium carolinianum leaf caused by hollyhock or mallow rust fungus (Puccinia malvacearum), taken from a lawn near apartments on George Bush Drive. College Station, Texas, March 13, 2019  Blister-like pustules of hollyhock or mallow rust fungus (Puccinia malvacearum) on lower leaf surface and a stem of Geranium carolinianum taken from a lawn near apartments on George Bush Drive. College Station, Texas, March 13, 2019  Sporangia of mayapple rust fungus Allodus podophylli (Puccinia podophylli) on underside of leaves of May apple (Podophyllum peltatum) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, March 2, 2019  Wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Sobstvennaya Dacha Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019  Blooming wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Sobstvennaya Dacha Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019  Flowers of wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Sobstvennaya Dacha Park. Old Peterhof, west from Saint Petersburg, Russia, May 17, 2019  Back lit Violet Wood Sorrel (Oxalis violacea) in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 22, 2011  Flowers of Violet Wood Sorrel (Oxalis violacea) in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 22, 2011  Flower of Violet Wood Sorrel (Oxalis violacea) in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 22, 2011  Rust fungus Puccinia urticata on leaves of common (stinging) nettle in Sosnovka Park. Saint Petersburg, Russia, May 27, 2017  Tiny bright orange cups of mayapple rust fungus (Allodus podophylli, Puccinia podophylli) underside of a leaf of May apple (Podophyllum peltatum) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, March 16, 2019  Yellow parasitic fungus Sporophagomyces chrysostomus(?) growing over brown resupinate polypore mushroom Fuscoporia (Hymenochaetaceae) on Raccoon Run Train in Lick Creek Park. College Station, Texas, December 31, 2019  Purple flowers of Violet wood sorrel (shamrock, Oxalis) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 9, 2009  Fungus Helvellosebacina concrescens on a side of Raccoon Run Trail in Lick Creek Park. College Station, Texas, June 25, 2019  Violet wood sorrel (Oxalis violacea, shamrock) on Hoots Hollow Trail in Brazos Bend State Park. Needville, Texas, February 15, 2020  Violet Wood Sorrel (Oxalis violacea) blooming at fall without leaves in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 22, 2011  Wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Tarkhovka near Sestroretsk. West from Saint Petersburg, Russia, May 13, 2019  Wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, May 16, 2019  Yellow mycelial fans of a parasitic fungus Sporophagomyces chrysostomus(?) growing over brown resupinate polypore mushroom Fuscoporia (Hymenochaetaceae) on Raccoon Run Train in Lick Creek Park. College Station, Texas, December 31, 2019  Fluffy yellow mycelial fan of a parasitic fungus Sporophagomyces chrysostomus(?) growing over brown resupinate polypore mushroom Fuscoporia (Hymenochaetaceae) on Raccoon Run Train in Lick Creek Park. College Station, Texas, December 31, 2019  Pink flower of Violet wood sorrel (Oxalis violacea, shamrock) on Prairie Trail in Brazos Bend State Park. Needville, Texas, April 22, 2008  Leaves of May apple (mandrake, Podophyllum peltatum) with yellow spots caused by mayapple rust fungus Allodus podophylli (Puccinia podophylli) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, May 5, 2018  Vein-bordered yellow areas on the leaf of May apple (mandrake, Podophyllum peltatum) with mayapple rust fungus Allodus podophylli (Puccinia podophylli) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, May 5, 2018  White flowers of wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Pavlovsk Park. Pavlovsk, a suburb of Saint Petersburg, Russia, May 16, 2019  Pink flowers of Violet wood sorrel (Oxalis violacea, shamrock) on Hoots Hollow Trail in Brazos Bend State Park. Needville, Texas, February 15, 2020  Violet wood sorrel (Oxalis violacea) on Sundew Trail in Big Thicket National Preserve. Kountze, Texas, August 2, 2014  Close-up of yellow umbrella-like circular fans of a parasitic fungus Sporophagomyces chrysostomus(?) growing over brown resupinate polypore mushroom Fuscoporia (Hymenochaetaceae) on Raccoon Run Train in Lick Creek Park. College Station, Texas, December 31, 2019  Back lit hickory like leaf on Raccoon Run Trail in Lick Creek Park. College Station, Texas, March 22, 2019  Violet wood sorrel (shamrock, Oxalis violacea?) in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, April 5, 2009  Pink wood sorrel (shamrock, Oxalis violacea?) in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, February 8, 2009  Common witchgrass (Panicum capillare) on Raccoon Run Trail in Lick Creek Park. College Station, Texas, August 23, 2020  Wood sorrel (Oxalis acetosella, Russian name Kislitsa) in area of Old Sylvia in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, May 18, 2015  Philadelphia fleabane (Erigeron philadelphicus) on Raccoon Run Trail in Lick Creek Park. College Station, Texas, March 15, 2019  Close up of wood sorrel (Oxalis acetosella, Russian name Kislitsa) in area of Old Sylvia in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, May 18, 2015  Flowers of wood sorrel (Oxalis acetosella, Russian name Kislitsa) in area of Old Sylvia in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, May 18, 2015  Flowers of Philadelphia fleabane (Erigeron philadelphicus) on Raccoon Run Trail in Lick Creek Park. College Station, Texas, March 15, 2019  White flowers of wood sorrel (Oxalis acetosella, Russian name Kislitsa) in area of Old Sylvia in Pavlovsk Park. Pavlovsk, suburb of Saint Petersburg, Russia, May 18, 2015  Wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Sosnovka Park. Saint Petersburg, Russia, May 20, 2017  Wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Sosnovka Park. Saint Petersburg, Russia, May 10, 2016  Tiny bright orange cups on the underside of leaves of mayapple caused by mayapple rust fungus Allodus podophylli(Puccinia podophylli) on underside of leaves of May apple (Podophyllum peltatum) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, March 2, 2019  Flowers of wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Sosnovka Park. Saint Petersburg, Russia, May 10, 2016  Flower of wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Sosnovka Park. Saint Petersburg, Russia, May 20, 2017  Wood sorrel (Oxalis acetosella, Russian name Kislitsa) in flower in Sosnovka Park. Saint Petersburg, Russia, May 20, 2017  Wood sorrel (Oxalis acetosella, Russian name Kislitsa) with flowers in Sosnovka Park. Saint Petersburg, Russia, May 20, 2017  Blooming wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Sosnovka Park. Saint Petersburg, Russia, May 10, 2016  Blooming wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Sosnovka Park. Saint Petersburg, Russia, May 20, 2017  Tiny white flowers of largeseed forget-me-not (Myosotis macrosperma) on Raccoon Run Trail in Lick Creek Park. College Station, Texas, March 15, 2019  Twoheaded water-starwort (Callitriche heterophylla) in a drying pool on Raccoon Run Trail in Lick Creek Park. College Station, Texas, March 26, 2019  Violet woodsorrel (Oxalis violacea) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, March 1, 2019  Carpet of flowers of wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Sosnovka Park. Saint Petersburg, Russia, May 10, 2016  Wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Dubki Park. Sestroretsk, a suburb of Saint Petersburg, Russia, May 20, 2015  White flowers of wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Sosnovka Park. Saint Petersburg, Russia, May 20, 2017  Wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Dubki Park. Sestroretsk, a suburb of Saint Petersburg, Russia, May 19, 2011  Carpet of flowers of wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Sosnovka Park. Saint Petersburg, Russia, May 20, 2017  Blooming wood sorrel (Oxalis) on Angliyskaya Alley in a park of Lomonosov (Oranienbaum). West from Saint Petersburg, Russia, May 23, 2011  Coltsfoot rust gall fungus, Puccinia poarum, in Sosnovka Park. Saint Petersburg, Russia, May 27, 2019  Twoheaded water-starwort (Callitriche heterophylla) floating a drying pool on Raccoon Run Trail in Lick Creek Park. College Station, Texas, March 26, 2019  Leaves of violet woodsorrel (Oxalis violacea) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, March 1, 2019  Some corticioid (crust) fungus on a rotting oak log on Raccoon Run Train in Lick Creek Park. College Station, Texas, December 31, 2019  White flowers of wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Pavlovsk Park, suburb of Saint Petersburg. Russia, May 15, 2011 |