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3410-17. Tissues infected by Juniper-hawthorn rust fungus (Gymnosporangium globosum) under a microscope in KOH, from upper surface of leaves of littlehip hawthorn (Crataegus spathulata), collected on Richards Loop Trail in Sam Houston National Forest. Texas, July 23, 2023Similar picturesLarge thumbnails | Use small thumbnails | View as slideshow |
 Pycnia of Juniper-hawthorn rust fungus (Gymnosporangium globosum) under a microscope in KOH, from upper surface of leaves of littlehip hawthorn (Crataegus spathulata), collected on Richards Loop Trail in Sam Houston National Forest. Texas, July 23, 2023  Pycnia of Juniper-hawthorn rust fungus (Gymnosporangium globosum) on leaves of littlehip hawthorn (Crataegus spathulata) on Richards Loop Trail in Sam Houston National Forest. Texas, July 23, 2023  Leaves of littlehip hawthorn (Crataegus spathulata) with pycnia of Juniper-hawthorn rust fungus (Gymnosporangium globosum) on Richards Loop Trail in Sam Houston National Forest. Texas, July 23, 2023  Juniper-hawthorn rust fungus (Gymnosporangium globosum) on littlehip hawthorn (Crataegus spathulata) with pycnia near a pond on Richards Loop Trail in Sam Houston National Forest. Texas, July 23, 2023  Cedar-hawthorn rust fungus (Gymnosporangium globosum) on littlehip hawthorn (Crataegus spathulata) on Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 2024  Cedar-hawthorn rust fungus (Gymnosporangium globosum)(?) on littlehip hawthorn (Crataegus spathulata) in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, May 18, 2014  Leaves of littlehip hawthorn (Crataegus spathulata) with cedar-hawthorn rust fungus (Gymnosporangium globosum) in Lick Creek Park. College Station, Texas, May 6, 2024  Leaves of littlehip hawthorn (Crataegus spathulata) with cedar-hawthorn rust fungus (Gymnosporangium globosum) in Lick Creek Park. College Station, Texas, April 18, 2018  Littlehip hawthorn (Crataegus spathulata) with cedar-hawthorn rust fungus (Gymnosporangium globosum) in Lick Creek Park. College Station, Texas, May 6, 2024  Cedar-hawthorn rust fungus (Gymnosporangium globosum) on littlehip hawthorn (Crataegus spathulata) in Lick Creek Park. College Station, Texas, April 18, 2018  Cedar-hawthorn rust fungus (Gymnosporangium globosum) on leaves of Engelmann s hawthorn (Crataegus engelmannii) in Lick Creek Park. College Station, Texas, May 7, 2018  Spores and tissues of cedar-hawthorn rust fungus (Gymnosporangium globosum) collected in Lick Creek Park. College Station, Texas, May 6, 2024  Conidiospores and tissues of cedar-hawthorn rust fungus (Gymnosporangium globosum) collected in Lick Creek Park. College Station, Texas, May 6, 2024  Young leaves of parsley hawthorn (Crataegus marshallii) on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, March 28, 2021  Young leaves and flowers of hawthorn on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023  Reddish young leaves and flowers of hawthorn on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023  Black balls of rust fungus Uromyces lespedezae or may be Cercospora from underside of leaves of hairy bush clover under a microscope at low magnifications collected on Richards Loop Trail in Sam Houston National Forest. Texas, July 10, 2022  Rust fungus Puccinia smilacis on greenbrier leaves under a microscope, collected on Richards Loop Trail in Sam Houston National Forest. Texas, March 9, 2022  Urediniospores of rust fungus Puccinia smilacis on greenbrier leaves under a microscope, collected on Richards Loop Trail in Sam Houston National Forest. Texas, March 9, 2022  Urediniospores of rust fungus Puccinia smilacis on greenbrier leaves under a microscope, collected on Richards Loop Trail in Sam Houston National Forest. Texas, March 9, 2022  Tissues under a microscope of beech woodwart fungus (Hypoxylon fragiforme) from a fallen twig, collected on Richards Loop Trail in Sam Houston National Forest. Texas, February 5, 2023  Leaves of parsley hawthorn (Crataegus marshallii) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, April 20, 2019  Shoot of parsley hawthorn (Crataegus marshallii) on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, March 28, 2021  Parsley hawthorn (Crataegus marshallii) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, March 4, 2023  Shoot of parsley hawthorn (Crataegus marshallii) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, March 4, 2023  Flowers of hawthorn on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023  Early blooming hawthorn on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023  Young leaves of hawthorn at Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 8, 2019  Shoot of parsley hawthorn (Crataegus marshallii) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, March 20, 2022  Parsley hawthorn (Crataegus marshallii) on Lone Star Hiking Trail east from Trailhead 3 in Sam Houston National Forest near Montgomery. Texas, October 9, 2022  Black balls of rust fungus Uromyces lespedezae or may be Cercospora from underside of leaves of hairy bush clover collected on Richards Loop Trail in Sam Houston National Forest. Texas, July 10, 2022  Blooming hawthorn on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022  Blooming hawthorn on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022  Blooming hawthorn on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020  White grainy substance from Protomyces(?) fungus near parasitic Ascomycete fungus Coccoidella scutula from upper surface of leaves of red bay (Persea borbonia) under a microscope with x100 objective, collected a day before in Little Thicket Nature Sanctuary. Texas, March 26, 2023  Greenbrier leaves with rust fungus Puccinia smilacis, collected on Richards Loop Trail in Sam Houston National Forest. Texas, March 9, 2022  White grainy substance from Protomyces(?) fungus near parasitic Ascomycete fungus Coccoidella scutula from upper surface of leaves of redbay tree (Persea borbonia) under a microscope with x40 objective, collected a day before in Little Thicket Nature Sanctuary. Texas, March 26, 2023  Underside of greenbrier leaves with rust fungus Puccinia smilacis, collected on Richards Loop Trail in Sam Houston National Forest. Texas, March 9, 2022  Orange spots on leaves of mountain ash caused by mountain ash-juniper rust fungus (Gymnosporangium cornutum) in Petiayarvi, north from Saint Petersburg. Russia, July 17, 2015  Tissues of tiny cup mushrooms Hyaloscipha brotannica(?) under microscope collected on Richards Loop Trail in Sam Houston National Forest. Texas, February 27, 2022  Blooming Engelmann s hawthorn (Crataegus engelmannii) in Lick Creek Park. College Station, Texas, March 20, 2023  Discoid black spots (ascostromata) of parasitic Ascomycete fungus Coccoidella scutula and white grainy substance from Protomyces(?) fungus through a binocular microscope on upper surface of leaves of redbay (Persea borbonia) collected a day before in Little Thicket Nature Sanctuary. Texas, March 26, 2023  Tissues of tiny cup mushrooms Hyaloscipha brotannica(?) together with some other fungi under microscope collected on Richards Loop Trail in Sam Houston National Forest. Texas, February 27, 2022  Tissues of tiny cup mushrooms Hyaloscipha brotannica(?) and some algae under microscope collected on Richards Loop Trail in Sam Houston National Forest. Texas, February 27, 2022  White flowers of Engelmann s hawthorn (Crataegus engelmannii) in Lick Creek Park. College Station, Texas, March 20, 2023  Tissues under a microscope of mold fungus Syzygites megalocarpus collected in Sam Houston National Forest. Texas, October 28, 2023  Some tissues of Ascomycete fungus Trichoderma citrinoviride (Hypocrea schweinitzii) from a fallen pine, collected on Richards Loop Trail in Sam Houston National Forest. Texas, December 17, 2023  Tissues of orange sclerotia of some fungus under a microscope, collected north from Trailhead No. 6 in Sam Houston National Forest. Texas, December 31, 2023  Tissues and some spores of corticioid fungus Drepanospora viridis (Helicoma viride)(?) from underside of a fallen pine, collected on Richards Loop Trail in Sam Houston National Forest. Texas, December 17, 2023  Tissues (in Congo Red) of orange sclerotia of some fungus under a microscope at low magnification, collected north from Trailhead No. 6 in Sam Houston National Forest. Texas, December 31, 2023  Orange aeciospores under a microscope of mayapple rust fungus (Puccinia podophylli), collected in Sam Houston National Forest. Texas, March 4, 2023  Tissues of Ramaria mushroom from lower part of rotten pine log under a microscope in Congo Red, collected on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, February 12, 2023  Tissues of a tooth of swarming spine fungus (Mucronella calva) under a microscope with x40 objective, collected in Sam Houston National Forest near Montgomery a day before. Texas, April 9, 2023  Tissues of resupinate polypore mushroom with pinkish fungus Tulasnella violea(?) under a microscope (x10 objective, in KOH) collected on Stubblefield section of Lone Star hiking trail in Sam Houston National Forest. Texas, April 11, 2023  Tissues of resupinate polypore mushroom with pinkish fungus Tulasnella violea(?) under a microscope (x40 objective, in KOH) collected on Stubblefield section of Lone Star hiking trail in Sam Houston National Forest. Texas, April 11, 2023  Tissues at low magnification of black fungus Sphaeria subiculata (Rosellinia subiculata)(?) collected on South Wilderness Loop Trail in Sam Houston National Forest near Richards. Texas, January 14, 2023  Tissues of resupinate polypore mushroom with pinkish fungus Tulasnella violea(?) under a microscope (x100 objective, in KOH) collected on Stubblefield section of Lone Star hiking trail in Sam Houston National Forest. Texas, April 11, 2023  Tissues of white web-like fungus from pine cones under a microscope (x40 objective) in Congo Red dye, collected on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, April 9, 2023  Leaves of hairy bush clover (Lespedeza hirta) with rust fungus Uromyces lespedezae or may be Cercospora on Richards Loop Trail in Sam Houston National Forest. Texas, July 10, 2022  Tissues and spores at low magnification of a black ball of fungus Sphaeria subiculata (Rosellinia subiculata)(?) collected on South Wilderness Loop Trail in Sam Houston National Forest near Richards. Texas, January 14, 2023  Tissues of white web-like fungus from pine cones under a microscope (x100 objective) in Congo Red dye, collected on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, April 9, 2023  Conidia and tissues under a microscope with x40 objective of mold-like fungus Tilachlidium setigerum(?) from dried Xeromphalina mushrooms, collected in Sam Houston National Forest near Montgomery. Texas, December 2, 2023  Tissues of white web-like fungus with hyphal cords from pine cones with some spore under a microscope in Melzer, collected on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, April 9, 2023  Tissues of tiny Mycena mushrooms from a slope of an ash pit at low manification, collected on Richards Loop Trail in Sam Houston National Forest. Texas, May 6, 2023  Reticulate-seeded spurge (Euphorbia spathulata) infected by white powdery mildew fungus Podosphaera euphorbiae on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, April 16, 2022  Tissues of a small orange cap bolete mushroom Boletus subfraternus infected by Hypomyces fungus collected in Sam Houston National Forest near Montgomery. Texas, June 6, 2022  Tissues and spores of tiny Mycena mushrooms from a slope of an ash pit at low manification, collected on Richards Loop Trail in Sam Houston National Forest. Texas, May 6, 2023  Tissues and spores of a small orange cap bolete mushroom Boletus subfraternus infected by Hypomyces fungus collected in Sam Houston National Forest near Montgomery. Texas, June 6, 2022  Aeciospores of rust fungus Puccinia podophylli from a May apple leaf under a microscope, collected from Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, March 10, 2022  Tissues (with x40 objective) of false truffle mushroom Rhizopogon roseolus(?) collected a day before on Richards Loop Trail in Sam Houston National Forest. Texas, November 6, 2023  Fungus Hyaloscypha britannica under a microscope, collected on Richards Loop Trail in Sam Houston National Forest. Texas, March 9, 2022  Blooming hawthorn on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, March 28, 2021  Tissues (under x40 objective) of whitish mold fungus Hypomyces(?) from rotting Rhizopogon (no pictures of the fungus were taken) collected on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, October 29, 2023  Spores of mushrooms Antracobia tristis(?) under a microscope in lugol, collected on Richards Loop Trail in Sam Houston National Forest. Texas, February 28, 2023  Asci of mushrooms Antracobia tristis(?) under a microscope in Congo Red, collected on Richards Loop Trail in Sam Houston National Forest. Texas, February 28, 2023  Aeciospores of rust fungus Puccinia podophylli from a May apple leaf under a microscope at higher magnification, collected on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, March 10, 2022  Tissues of corticioid fungus Schizopora paradoxa from a pine branch collected on Richards Loop Trail in Sam Houston National Forest. Texas, February 6, 2022  Asci of fungus Hyaloscypha britannica under a microscope, collected on Richards Loop Trail in Sam Houston National Forest. Texas, March 9, 2022  Fungus Hyaloscypha britannica under a microscope at low magnification in KOH, collected on Richards Loop Trail in Sam Houston National Forest. Texas, March 9, 2022  White flowers of hawthorn on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, March 28, 2021  Tissues and spores (with x100 objective) of false truffle mushroom Rhizopogon roseolus(?) collected a day before on Richards Loop Trail in Sam Houston National Forest. Texas, November 6, 2023  Tissues at low magnification of small brown mushrooms Pluteus thomsonii(?), collected on South Wilderness Loop Trail in Sam Houston National Forest near Richards. Texas, January 14, 2023  Spores of mushrooms Antracobia tristis(?) under a microscope in lactofenol blue, collected on Richards Loop Trail in Sam Houston National Forest. Texas, February 28, 2023  Asci and paraphyses of mushrooms Antracobia tristis(?) under a microscope in Congo Red, collected on Richards Loop Trail in Sam Houston National Forest. Texas, February 28, 2023  Tissue of red Orbilia fungus from cut surface of a wet pine log through a microscope at low magnification collected on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest east from Trail Head No.4. Texas, March 15, 2022  Small orange cap bolete mushroom Boletus subfraternus infected by Hypomyces fungus in Congo Red solution under a microscope, collected in Sam Houston National Forest near Montgomery. Texas, June 6, 2022  Tissues (in Melzer) of fungus Hyaloscypha britannica(?) from a burned pine log collected in Sam Houston National Forest near Richards. Texas, February 18, 2023  Tissues (in Congo Red) of fungus Hyaloscypha britannica(?) from a burned pine log collected in Sam Houston National Forest near Richards. Texas, February 18, 2023  Close-up of a greenbrier leaf with rust fungus Puccinia smilacis, collected on Richards Loop Trail in Sam Houston National Forest. Texas, March 9, 2022  Tissues with cystidia at low magnification of small brown mushrooms Pluteus thomsonii(?), collected on South Wilderness Loop Trail in Sam Houston National Forest near Richards. Texas, January 14, 2023  Fungus Hyaloscypha britannica under a microscope at higher magnification in Lugol, collected on Richards Loop Trail in Sam Houston National Forest. Texas, March 9, 2022  Asci (in lugol) of tissues of fungus Hyaloscypha britannica(?) from a burned pine log collected in Sam Houston National Forest near Richards. Texas, February 18, 2023  Tissues (in lugol, low magnification) of fungus Hyaloscypha britannica(?) from a burned pine log collected in Sam Houston National Forest near Richards. Texas, February 18, 2023  Tissues of Ascomycete fungus Hyaloscypha britannica(?) from a burned pine log at low magnification collected in Sam Houston National Forest near Richards. Texas, February 18, 2023  Tissues of Ascomycete fungus Hyaloscypha britannica(?) from a burned pine log at very low magnification collected in Sam Houston National Forest near Richards. Texas, February 18, 2023  Tissues under a microscope of orange corticioid fungus Crustoderma dryinum collected on Stubblefield section of Lone Star hiking trail in Sam Houston National Forest. Texas, February 4, 2024  Tissues of mushrooms Pluteus albostipitatus(?) or may be P. escharites under a microscope in Congo Red, collected in Sam Houston National Forest near Montgomery. Texas, September 10, 2023  Tissues of Ascomycete fungus Hyaloscypha britannica under a microscope at low magnification, collected in Sam Houston National Forest north from Montgomery. Texas, May 7, 2022  Spores of white smooth corticioid fungus from underside of burned pines, collected on Richards Loop Trail in Sam Houston National Forest four days before. Texas, July 27, 2023 |