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2883-09. Dwarf rosette lichen Physcia neogaea on a dry pad of prickly pear cactus in prairie in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021Similar picturesLarge thumbnails | Use small thumbnails | View as slideshow |
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2883-09. Dwarf rosette lichen Physcia neogaea on a dry pad of prickly pear cactus in prairie in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021Similar picturesLarge thumbnails | Use small thumbnails | View as slideshow |
 Dwarf rosette lichen Physcia neogaea on a dry pad of prickly pear cactus (Opuntia) in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021  Slender orange-bush lichen (Teloschistes exilis) together with Parmotrema and Physcia on an old pad of prickly pear cactus in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021  Gold dust lichen (Chrysothrix xanthina) in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021  Close-up of pore lichen (Pertusaria) on a juniper branch in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021  Medallion lichen Dirinaria confusa on a juniper tree in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021  Pore lichen (Pertusaria) on bark of a juniper branch in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021  Pore lichen (Pertusaria) with apothecia on a juniper branch in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021  White fringe lichen (Heterodermia albicans) on a tree (may be juniper) in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021  Medallion lichen Dirinaria confusa with black apothecia on juniper bark in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021  Medallion lichen Dirinaria confusa with black apothecia on a juniper tree in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021  Close-up of medallion lichen Dirinaria confusa with black apothecia on juniper bark in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021  Salted rock-shield lichen (Xanthoparmelia mexicana) or may be other Xanthoparmelia growing on an exposed flint stone in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021  Leaf of poison ivy in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021  Young leaves of oak in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021  Salted rock-shield lichen (Xanthoparmelia mexicana) or may be other Xanthoparmelia on an exposed flint stone in open area near pine and oak forest in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021  Details of salted rock-shield lichen (Xanthoparmelia mexicana) or may be other Xanthoparmelia on an exposed flint stone in open area in a forest in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021  Close-up of salted rock-shield lichen (Xanthoparmelia mexicana) or may be other Xanthoparmelia on an exposed flint stone in open area in a forest in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021  Texture of salted rock-shield lichen (Xanthoparmelia mexicana) or may be other Xanthoparmelia on an exposed flint stone in open area in a forest in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021  Young leaves of Virginia creeper in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021  Tender leaves of Virginia creeper in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021  Close-up of stickpins lichen Mycocalicium subtile or may be other Mycocaliciaceae (Mycocalicium, Chaenothecopsis) on a trunk of a juniper tree (Eastern red cedar) on spot where its branch was cut in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021  Stickpins lichen Mycocalicium subtile or may be other Mycocaliciaceae (Mycocalicium, Chaenothecopsis) on a trunk of a juniper tree (Eastern red cedar) where its branch was cut, around 1.5 meters above ground, in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021  Salted rock-shield lichen (Xanthoparmelia mexicana) or may be other Xanthoparmelia on an exposed flint stone on rocky soil in sunny area near a forest in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021  Violet spiderwort (Tradescantia gigantea(?)) flowers in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021  Violet flowers of spiderwort (Tradescantia gigantea(?)) in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021  Copper-colored young leaves of Virginia creeper in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021  Bend of Colorado River from Bluff Trail Loop in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021  Fringed puccoon (Narrowleaf gromwell, Lithospermum incisum) in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021  View of Colorado River from Bluff Trail Loop in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021  Steep descent to Colorado River from Bluff Trail Loop in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021  Whitening pattern of a fungus Robergea albicedrae on bark of Ashe juniper in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021  Corticioid mushroom Dendrothele nivosa on bark of Eastern red cedar (Juniper) in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021  Close-up of corticioid fungus Dendrothele nivosa on bark of Eastern red cedar (Juniper) in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021  White juniper fungus (Robergea albicedrae) on bark of Juniperus ashei tree in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021  Typical whitening pattern on bark of Ashe juniper with a fungus Robergea albicedrae in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021  Redeye prickly pear cactus (Engelmann prickly pear, Opuntia phaeacantha var. discata) on Savanna Meadow Trail in Ladybird Johnson Wildflower Center. Austin, Texas, May 10, 2009  White juniper fungus (Robergea albicedrae) on bark of a young Juniperus ashei tree in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021  Dwarf rosette lichen Physcia neogaea or may be P. aipolia or P. pumilior on smooth bark of hackberry tree at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019  White juniper fungus (Robergea albicedrae) around of a broken branch spot on Juniperus ashei tree in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021  White juniper fungus (Robergea albicedrae) small gray nodules where spores are produced on bark of a young Juniperus ashei tree in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021  Close-up of white juniper fungus (Robergea albicedrae) small gray nodules where spores are produced on bark of a young Juniperus ashei tree in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021  Rosette lichen (Physcia), possibly P. aipolia, P. pumilior, or P. neogaea, near the base of a big tree, possibly hackberry, in Hensel Park. College Station, Texas, December 30, 2018  Rosette lichen (Physcia), possibly P. aipolia, P. pumilior, or P. neogaea, with apothecia near the base of a big tree, possibly hackberry, in Hensel Park. College Station, Texas, December 30, 2018  Orange flowers of Prickly pear cactus (Opuntia) on Savanna Meadow Trail in Ladybird Johnson Wildflower Center. Austin, Texas, May 10, 2009  Yellow flowers of Prickly pear cactus (Opuntia) on Savanna Meadow Trail in Ladybird Johnson Wildflower Center. Austin, Texas, May 10, 2009  Yellow and orange flowers of Engelmann prickly pear cactus (Opuntia phaeacantha var. discata) on Savanna Meadow Trail in Ladybird Johnson Wildflower Center. Austin, Texas, May 10, 2009  Nymphs of cactus bug Chelinidea vittiger feeding on prickly pear cactus in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, August 11, 2021  Prickly pear cactus (Opuntia) in Dahl Al Hamam Park at Al Markhiya Street. Doha, Qatar, March 21, 2016  Pad decay fungus Aspergillus alliaceus(?) (black) on prickly pear cactus (Opuntia) on Kiwanis Nature Trail. College Station, Texas, December 20, 2017  Warped pad of prickly pear cactus (Opuntia) with a cladode rot fungus Aspergillus alliaceus(?) (black) on Kiwanis Nature Trail. College Station, Texas, December 20, 2017  Top view of young pad of prickly pear cactus (Opuntia) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024  Close-up of young pad of prickly pear cactus (Opuntia) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024  Young pads of prickly pear cactus (Opuntia) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024  Cactus coreid bug Chelinidea vittiger on a pad of prickly pear cactus in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, September 12, 2008  Cactus coreid bug Chelinidea vittiger nymph on a pad of prickly pear cactus in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, September 29, 2008  Nymphs of cactus bug Chelinidea vittiger feeding on prickly pear cactus (discolored areas of opuntia is the result of punctures) in TAMU Holistic Garden in Texas A and M University. College Station, Texas, May 11, 2008  Rosette lichen (Physcia) on a tree on Kiwanis Nature Trail, College Station, Texas, February 26, 2019  Christmas cholla cactus (Tasajillo, Opuntia leptocaulis) on Homestead Trail in McKinney Falls State Park. Austin, Texas, October 26, 2008  Patch of rosette lichen (Physcia) on a tree on Kiwanis Nature Trail, College Station, Texas, February 26, 2019  Rosette lichen (Physcia) on tree bark on Kiwanis Nature Trail, College Station, Texas, February 26, 2019  Some rosette lichen (Physcia) on tree bark on Kiwanis Nature Trail, College Station, Texas, February 26, 2019  Texture of a pad skeleton of prickly pear cactus (Opuntia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024  Flower of prickly pear cactus (Opuntia engelmanii(?)) in Lick Creek Park. College Station, Texas, May 4, 2020  Yellow flower of prickly pear cactus (Opuntia) in Lick Creek Park. College Station, Texas, May 7, 2020  Blooming prickly pear cactus (Opuntia engelmanii(?)) in Lick Creek Park. College Station, Texas, May 4, 2020  Prickly pear cactus on a mural "500 Anos de Resistencia" by Salvadoran artist Isaias Mata (1992) on 24th Street in Mission District of San Francisco. California, March 16, 2024  Yellow flower of prickly pear cactus (Opuntia engelmanii(?)) with a bee in Lick Creek Park. College Station, Texas, May 4, 2020  Tender young pad or nopalitos of prickly pear cactus (opuntia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, March 31, 2009  Spotted cucumber beetle (Diabrotica undecimpunctata) on a shoot of prickly pears cactus in Ladybird Johnson Wildflower Center. Austin, Texas, March 7, 2009  Rosette lichen (Physcia) on an old wooden bench in TAMU Holistic Garden in Texas A and M University. College Station, Texas, March 27, 2021  Dwarf yellow butterfly (Dainty Sulphur, Nathalis iole) on Texas aster near a pond of Upper falls in McKinney Falls State Park. Austin, Texas, October 26, 2008  Purple-tinged prickly pear cactus in the middle part of Smokey Creek Trail. Big Bend National Park, Texas, November 25, 2007  Flower buds on a pad of prickly pear cactus (Opuntia) in Bastrop State Park. Bastrop, Texas, April 15, 2023  Green flower buds of prickly pear cactus (Opuntia) in Bastrop State Park. Bastrop, Texas, April 15, 2023  Cactus coreid bug (Chelinidea vittiger) on a pad of prickly pear in Antique Rose Emporium. Independence, Texas, August 7, 2010  Snail feeding on a green pad of prickly pear cactus (Opuntia) in Antique Rose Emporium in Independence. Texas, May 3, 2009  Prickly pear cactus (Opuntia) on Moore s Hill Outcrop at FM Road 3090 near Navasota. Texas, April 21, 2018  Purple-tinged prickly pear cactus on Smokey Creek Trail near Trap Spring east from Mule Ear Overlook. Big Bend National Park, Texas, November 25, 2007  Blooming prickly pear cactus north from Capulin Canyon in Bandelier National Monument. New Mexico, near Los Alamos, May 24, 2008  Rosette lichen (Physcia) on a tomb in City Cemetery. Bryan, Texas, March 3, 2019  Rosette lichen (Physcia) and bare-bottomed sunburst lichen (Xanthomendoza weberi, Gallowayella weberi) on sandstone of Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, March 14, 2019  Tender young pads or nopalitos of prickly pear cactus (Opuntia) in Antique Rose Emporium. Independence, Texas, May 13, 2012  Rosette lichen (Physcia) on a marble tomb in City Cemetery. Bryan, Texas, March 3, 2019  Prickly pear cactus on Turkey Pass Trail in Enchanted Rock State Natural Area. Fredericksburg, Texas, October 27, 2007  Rosette lichen (Physcia) on sandstone of Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, February 28, 2021  Hoary rosette lichen Physcia aipolia and Xanthoria parietina on a tree near northern road in Yuntolovsky Park. Saint Petersburg, Russia, March 1, 2017  Apothecia of rosette lichen (Physcia) on sandstone of Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, February 28, 2021  Rosette lichen (Physcia) with apothecia on sandstone of Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, February 28, 2021  Rosette lichen Physcia dimidiata(?) on a leg of a marble angel in City Cemetery. Bryan, Texas, March 3, 2019  Close up of rosette lichen (Physcia) on a marble tomb in City Cemetery. Bryan, Texas, March 3, 2019  Rosette lichen (Physcia) with apothecia on a marble tomb in City Cemetery. Bryan, Texas, March 3, 2019  Rosette lichen Physcia dimidiata(?) on a marble angel in City Cemetery. Bryan, Texas, March 3, 2019  Rosette lichen (Physcia) on sandstone of Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, March 14, 2019  Black apothecia of rosette lichen (Physcia) on sandstone of Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, February 28, 2021  Tender young pad or nopalitos of prickly pear cactus with glossy wax coating and fresh areolas bearing leaf primordia, spines and tufts of glochids (barbed hairs) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, March 31, 2009  Section of prickly pear (cactus fruit) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from a supermarket. College Station, Texas, September 3, 2024  Close up of rosette lichen (Physcia) on sandstone of Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, March 14, 2019  Rosette lichen (Physcia) with soredia on sandstone of Lost Pines Overlook in Bastrop State Park. Bastrop, Texas, March 14, 2019  Tender young pad or nopalitos of prickly pear cactus (opuntia) with glossy wax coating and fresh areolas bearing leaf primordia, spines and tufts of glochids (barbed hairs) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, March 31, 2009 |