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2247-13. Leaves of littlehip hawthorn (Crataegus spathulata) with cedar-hawthorn rust fungus (Gymnosporangium globosum) in Lick Creek Park. College Station, Texas, April 18, 2018Similar picturesLarge thumbnails | Use small thumbnails | View as slideshow |
 Cedar-hawthorn rust fungus (Gymnosporangium globosum) on littlehip hawthorn (Crataegus spathulata) in Lick Creek Park. College Station, Texas, April 18, 2018  Leaves of littlehip hawthorn (Crataegus spathulata) with cedar-hawthorn rust fungus (Gymnosporangium globosum) in Lick Creek Park. College Station, Texas, May 6, 2024  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) 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  Cedar-hawthorn rust fungus (Gymnosporangium globosum) on leaves of Engelmann s hawthorn (Crataegus engelmannii) in Lick Creek Park. College Station, Texas, May 7, 2018  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  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  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, 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  Conidiospores and tissues of cedar-hawthorn rust fungus (Gymnosporangium globosum) collected in Lick Creek Park. College Station, Texas, May 6, 2024  Spores and tissues of cedar-hawthorn rust fungus (Gymnosporangium globosum) collected in Lick Creek Park. College Station, Texas, May 6, 2024  Blooming Engelmann s hawthorn (Crataegus engelmannii) in Lick Creek Park. College Station, Texas, March 20, 2023  White flowers of Engelmann s hawthorn (Crataegus engelmannii) in Lick Creek Park. College Station, Texas, March 20, 2023  Leaves of parsley hawthorn (Crataegus marshallii) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, April 20, 2019  Cedar apple rust fungus Gymnosporangium juniperi-virginianae on a twig of red cedar near a road along north shore of Lake Somerville near Birch Creek Unit Somerville Lake State Park. Texas, March 14, 2018  Young leaves of parsley hawthorn (Crataegus marshallii) on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, March 28, 2021  White flowers of hawthorn on Lick Creek Greenway Trail. College Station, Texas, April 2, 2024  Cedar-apple gall (fungus Gymnosporangium juniperi-virginianae) on a twig of Eastern red cedar (Juniperus virginiana) in Wolf Pen Creek Park. College Station, Texas, March 13, 2019  Cedar-apple gall (fungus Gymnosporangium juniperi-virginianae) with gelatinous protrusions on a twig of red cedar (Juniperus virginiana) in Wolf Pen Creek Park. College Station, Texas, March 13, 2019  Cedar-apple gall (fungus Gymnosporangium juniperi-virginianae) with gelatinous protrusions on Eastern red cedar (Juniperus virginiana) in Wolf Pen Creek Park. College Station, Texas, March 13, 2019  Cedar-apple gall (fungus Gymnosporangium juniperi-virginianae) with gelatinous protrusions from Eastern red cedar (Juniperus virginiana) in Wolf Pen Creek Park. College Station, Texas, March 13, 2019  Blooming hawthorn in Lick Creek Park. College Station, Texas, March 10, 2009  Close up of gelatinous protrusions of cedar-apple gall (fungus Gymnosporangium juniperi-virginianae) on Eastern red cedar (Juniperus virginiana) in Wolf Pen Creek Park. College Station, Texas, March 13, 2019  Gelatinous protrusions of cedar-apple gall (fungus Gymnosporangium juniperi-virginianae) on a twig of Eastern red cedar (Juniperus virginiana) in Wolf Pen Creek Park. College Station, Texas, March 13, 2019  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  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 Lone Star Hiking Trail east from Trailhead 3 in Sam Houston National Forest near Montgomery. Texas, October 9, 2022  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  Hawthorn Crataegus laevigata Rosea Flore Pleno in Peter the Great Botanical Garden of Komarov Botanical Institute. Saint Petersburg, Russia, June 3, 2019  Fungus Gymnosporangium juniperi-virginianae on Eastern red cedar (Juniperus virginiana) in Wolf Pen Creek Park. College Station, Texas, March 13, 2019  Blooming hawthorn in Bee Creek Park. College Station, Texas, February 26, 2024  White flowers of hawthorn in Bee Creek Park. College Station, Texas, February 26, 2024  Close-up of leaves of cut-leaved evening primrose (Oenothera laciniata) with rust fungus Puccinia dioicae or may be P. oenotherae in Lick Creek Park. College Station, Texas, April 18, 2022  Underside of leaves of cut-leaved evening primrose (Oenothera laciniata) with rust fungus Puccinia dioicae or may be P. oenotherae in Lick Creek Park. College Station, Texas, April 18, 2022  Basal leaves of cut-leaved evening primrose (Oenothera laciniata) with rust fungus Puccinia dioicae or may be P. oenotherae in Lick Creek Park. College Station, Texas, April 18, 2022  Warty spurge (Euphorbia spathulata) with white powdery mildew fungus Podosphaera euphorbiae or may be Oidium in Lick Creek Park. College Station, Texas, April 18, 2022  Warty spurge (Euphorbia spathulata) with white powdery mildew fungus Podosphaera euphorbiae on Raccoon Run Trail in Lick Creek Park. College Station, Texas, April 11, 2022  Young leaves of hawthorn at Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 8, 2019  Cedar-apple gall (fungus Gymnosporangium juniperi-virginianae) on a twig of red cedar at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 25, 2019  Warty spurge (Euphorbia spathulata) with white powdery mildew fungus Podosphaera euphorbiae or may be Oidium on Raccoon Run Trail in Lick Creek Park. College Station, Texas, April 18, 2022  Orange berry rust fungus Gymnoconia nitens on young leaves of blackberry in Lick Creek Park. College Station, Texas, March 14, 2022  Reticulate-seeded spurge (Euphorbia spathulata) infected by white powdery mildew fungus Podosphaera euphorbiae on Raccoon Run Trail in Lick Creek Park. College Station, Texas, April 11, 2022  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  Hawthorn twiglet mushrooms (Tubaria dispersa) among fallen leaves in Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, October 2, 2016  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  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  Leaves of Carolina bristlemallow (Modiola caroliniana) with blister-like pustules of rust fungus Puccinia modiolae taken from Lick Creek Park. College Station, Texas, March 7, 2022  Rust fungus Coleosporium steviae(?) on leaves of late-flowering boneset (Eupatorium serotinum) on a pipeline clearing in Lick Creek Park. College Station, Texas, May 15, 2022  Young leaves and flowers of hawthorn on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023  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  Reddish young leaves and flowers of hawthorn on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023  Leaves of spring scorpion grass (Myosotis macrosperma, Boraginaceae) with rust fungus Puccinia eatoniae var. myosotidis(?) near Racoon Run Trail in Lick Creek Park. College Station, Texas, March 7, 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  Leaves of cocklebur (Xanthium strumarium) with cocklebur rust fungus (Puccinia xanthii), over sewage line in Lick Creek Park. College Station, Texas, August 15, 2023  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  Leaves of spring scorpion grass (Myosotis macrosperma, Boraginaceae) with rust fungus Puccinia eatoniae var. myosotidis(?) on sewage line right of way near Racoon Run Trail in Lick Creek Park. College Station, Texas, February 9, 2023  Teliospores (in KOH) of cocklebur rust fungus (Puccinia xanthii) from underside of leaves of cocklebur (Xanthium strumarium), collected over sewage line in Lick Creek Park a day before. College Station, Texas, August 13, 2023  Underside of leaves of cocklebur (Xanthium strumarium) damaged by cocklebur rust fungus (Puccinia xanthii), collected over sewage line in Lick Creek Park a day before. College Station, Texas, August 13, 2023  Upper and lowers sides of leaves of cocklebur (Xanthium strumarium) with cocklebur rust fungus (Puccinia xanthii), over sewage line in Lick Creek Park. College Station, Texas, August 15, 2023  Cut-leaved evening primrose (Oenothera laciniata) with rust fungus Puccinia dioicae or may be P. oenotherae in Lick Creek Park. College Station, Texas, April 18, 2022  Biseptate teliospores (in KOH) of cocklebur rust fungus (Puccinia xanthii) from underside of leaves of cocklebur (Xanthium strumarium), collected over sewage line in Lick Creek Park a day before. College Station, Texas, August 13, 2023  Teliospores (in KOH, low magnification) of cocklebur rust fungus (Puccinia xanthii) from underside of leaves of cocklebur (Xanthium strumarium) collected over sewage line in Lick Creek Park a day before. College Station, Texas, August 13, 2023  Details of teliospores (in KOH) of cocklebur rust fungus (Puccinia xanthii) from underside of leaves of cocklebur (Xanthium strumarium), collected over sewage line in Lick Creek Park a day before. College Station, Texas, August 13, 2023  Large teliospores (in KOH) of cocklebur rust fungus (Puccinia xanthii) from underside of leaves of cocklebur (Xanthium strumarium), collected over sewage line in Lick Creek Park a day before. College Station, Texas, August 13, 2023  Spores of different sizes of rust fungus Puccinia dioicae under microscope, collected from cut-leaved evening primrose in Lick Creek Park. College Station, Texas, April 18, 2022  Various types of spores of rust fungus Puccinia dioicae under microscope, collected from cut-leaved evening primrose in Lick Creek Park. College Station, Texas, April 18, 2022  Teleutospores and aeciospores of rust fungus Puccinia dioicae under microscope, collected from cut-leaved evening primrose in Lick Creek Park. College Station, Texas, April 18, 2022  Details of aeciospores of rust fungus Puccinia dioicae under microscope, collected from cut-leaved evening primrose in Lick Creek Park. College Station, Texas, April 18, 2022  Aecial peridium of rust fungus Puccinia dioicae under microscope, collected from cut-leaved evening primrose in Lick Creek Park. College Station, Texas, April 18, 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  Whitish peridial cells of rust fungus Puccinia dioicae under microscope, collected from cut-leaved evening primrose in Lick Creek Park. College Station, Texas, April 18, 2022  Details of aecial peridium of rust fungus Puccinia dioicae under microscope, collected from cut-leaved evening primrose in Lick Creek Park. College Station, Texas, April 18, 2022  Leaves of goldenrod (Solidago) with yellow spots from goldenrod rust fungus Coleosporium solidaginis (Coleosporium asterum)(?), collected over a sewage line in Lick Creek Park. College Station, Texas, August 3, 2023  Whitish peridial cells and aeciospores of rust fungus Puccinia dioicae under microscope, collected from cut-leaved evening primrose in Lick Creek Park. College Station, Texas, April 18, 2022  Underside of leaves of squaw-weed (Senecio ampullaceus) with sunflower white rust fungus Pustula tragopogonis (Pustula obtusata, Albugo tragopogonis)(?) in Lick Creek Park. College Station, Texas, March 20, 2023  Blooming hawthorn on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, April 11, 2021  Flowers of hawthorn on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, April 11, 2021  Leaves of goldenrod (Solidago) showing yellow spots with uredinia of goldenrod rust fungus Coleosporium solidaginis (Coleosporium asterum)(?), collected over a sewage line in Lick Creek Park. College Station, Texas, August 3, 2023  Close-up of underside of leaves of squaw-weed (Senecio ampullaceus) with sunflower white rust fungus Pustula tragopogonis (Pustula obtusata, Albugo tragopogonis)(?) in Lick Creek Park. College Station, Texas, March 20, 2023  Back lit young leaves of cedar elm in Lick Creek Park. College Station, Texas, March 11, 2019  Uderside of leaves of goldenrod (Solidago) showing yellow spots with uredinia of goldenrod rust fungus Coleosporium solidaginis (Coleosporium asterum)(?), collected over a sewage line in Lick Creek Park. College Station, Texas, August 3, 2023  Leaves of squaw-weed (Senecio ampullaceus) with sunflower white rust fungus Pustula tragopogonis (Pustula obtusata, Albugo tragopogonis)(?) on Yaupon Loop Trail in Lick Creek Park. College Station, Texas, February 17, 2024  Some tubular structure of rust fungus Puccinia dioicae under microscope, collected from cut-leaved evening primrose collected in Lick Creek Park. College Station, Texas, April 18, 2022  Underside of leaves of wood sorrel Oxalis stricta with rust fungus Puccinia oxalidis in Bee Creek Park. College Station, Texas, March 29, 2022  Aecial peridium showing the whitish peridial cells and aeciospores of rust fungus Puccinia dioicae under microscope at low magnification, collected from cut-leaved evening primrose in Lick Creek Park. College Station, Texas, April 18, 2022  Red cedar and oaks in Lick Creek Park. College Station, Texas, December 18, 2018  Fungus Ophiodothella vaccinii on infected leaves of farkleberry (Vaccinium arboreum) in Lick Creek Park. College Station, Texas, October 9, 2018  Conidiomata of fungus Ophiodothella vaccinii on infected leaves of farkleberry (Vaccinium arboreum) in Lick Creek Park. College Station, Texas, October 9, 2018  Climbing vine with narrow leaves Desmodium paniculatum in Lick Creek Park. College Station, Texas, April 11, 2018  Leaves of yaupon holly (Ilex vomitoria) with rust like fungus in Hensel Park. College Station, Texas, June 5, 2019  Spores of rust fungus Puccinia modiolae collected from Lick Creek Park. College Station, Texas, March 7, 2022  Close up of conidiomata of fungus Ophiodothella vaccinii on infected leaves of farkleberry (Vaccinium arboreum) in Lick Creek Park. College Station, Texas, October 9, 2018  Leaves of crane s bill (Geranium carolinianum) with red galls caused by wart disease (false rust) by fungus Synchytrium geranii (Chytrids) taken from Bee Creek Park. College Station, Texas, March 23, 2021  Spores (in lugol) of sunflower white rust fungus Pustula tragopogonis (Pustula obtusata, Albugo tragopogonis)(?) from white spots on leaves of squaw-weed (Senecio ampullaceus) collected on Yaupon Loop Trail in Lick Creek Park. College Station, Texas, February 17, 2024  Spores (in Congo Red) of sunflower white rust fungus Pustula tragopogonis (Pustula obtusata, Albugo tragopogonis)(?) from white spots on leaves of squaw-weed (Senecio ampullaceus) collected on Yaupon Loop Trail in Lick Creek Park. College Station, Texas, February 17, 2024 |