 Leaves of bur clover (Medicago polymorpha) with white spots of powdery mildew fungus Erysiphe trifoliorum(?) in Lick Creek Park. College Station, Texas, April 18, 2022
 Details of round cleistothecia(?) of powdery mildew fungus Erysiphe trifoliorum(?) under microscope, collected from bur clover in Lick Creek Park. College Station, Texas, April 18, 2022
 Round cleistothecia(?) of powdery mildew fungus Erysiphe trifoliorum(?) under microscope at low magnification, collected from bur clover in Lick Creek Park. College Station, Texas, April 18, 2022
 Details of chasmothecia with ascus and asco spores(?) of powdery mildew fungus Erysiphe trifoliorum(?) under microscope, collected from bur clover in Lick Creek Park. College Station, Texas, April 18, 2022
 Chasmothecia with ascus and asco spores(?) of powdery mildew fungus Erysiphe trifoliorum(?) under microscope at low magnification, collected from bur clover in Lick Creek Park. College Station, Texas, April 18, 2022
 Chasmothecia with ascus and asco spores (cleistothecia)(?) of powdery mildew fungus Erysiphe trifoliorum(?) under microscope at very low magnification, collected from bur clover in Lick Creek Park. College Station, Texas, April 18, 2022
 Ascus and asco spores(?) inside a round chasmothecia of powdery mildew fungus Erysiphe trifoliorum(?) under microscope, collected from bur clover in Lick Creek Park. College Station, Texas, April 18, 2022
 Spores of white powdery mildew fungus Podosphaera euphorbiae collected in Lick Creek Park. College Station, Texas, April 11, 2022
 Conidia of white powdery mildew fungus Podosphaera euphorbiae collected in Lick Creek Park. College Station, Texas, April 11, 2022
 Various spores of white powdery mildew fungus Podosphaera euphorbiae collected in Lick Creek Park. College Station, Texas, April 11, 2022
 Spores of different types of white powdery mildew fungus Podosphaera euphorbiae collected in Lick Creek Park. College Station, Texas, April 11, 2022
 Tissues of white powdery mildew fungus Podosphaera euphorbiae under a microscope, collected on Raccoon Run Trail in Lick Creek Park. College Station, Texas, April 11, 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
 Star-shaped structure insides white powdery mildew fungus Podosphaera euphorbiae collected in Lick Creek Park. College Station, Texas, April 11, 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
 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
 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
 Conidia and cleistothecia, or ascomata (round) in KOH solution of white powdery mildew fungus Podosphaera euphorbiae collected on Raccoon Run Trail in Lick Creek Park. College Station, Texas, April 11, 2022
 Conidia chain and conidia with fibrosin bodies of white powdery mildew fungus Podosphaera euphorbiae collected in Lick Creek Park. College Station, Texas, April 11, 2022
 Conidia and cleistothecia, or ascomata (round) in iodine solution of white powdery mildew fungus Podosphaera euphorbiae collected on Raccoon Run Trail in Lick Creek Park. College Station, Texas, April 11, 2022
 Conidia and cleistothecia, or ascomata (round) in iodine solution of white powdery mildew fungus Podosphaera euphorbiae collected on Raccoon Run Trail in Lick Creek Park. College Station, Texas, April 11, 2022
 Bur-clover (Medicago polymorpha) taken from a lawn on Texas Avenue. College Station, Texas, April 8, 2019
 Close up of bur-clover (Medicago polymorpha) taken from a lawn on Texas Avenue. College Station, Texas, April 8, 2019
 Grass with powdery mildew fungus Blumeria graminis (Erysiphe graminis) on a lawn of apartments on George Bush Drive. College Station, Texas, March 13, 2023
 Spores of corn powdery mildew fungus Blumeria graminis (Erysiphe graminis) in Melzer, collected from grass on a lawn of apartments on George Bush Drive. College Station, Texas, March 13, 2023
 Spores and conidia of corn powdery mildew fungus Blumeria graminis (Erysiphe graminis) collected from grass on a lawn of apartments on George Bush Drive. College Station, Texas, March 13, 2023
 Spores and conidia of corn powdery mildew fungus Blumeria graminis (Erysiphe graminis) collected from grass on a lawn of apartments on George Bush Drive. College Station, Texas, March 13, 2023
 Various types of spores of corn powdery mildew fungus Blumeria graminis (Erysiphe graminis) collected from grass on a lawn of apartments on George Bush Drive. College Station, Texas, March 13, 2023
 Spores and chasmothecia(?) of corn powdery mildew fungus Blumeria graminis (Erysiphe graminis) collected from grass on a lawn of apartments on George Bush Drive. College Station, Texas, March 13, 2023
 Chain of conidia of corn powdery mildew fungus Blumeria graminis (Erysiphe graminis) collected from grass on a lawn of apartments on George Bush Drive. College Station, Texas, March 13, 2023
 Spores (conidia?) of corn powdery mildew fungus Blumeria graminis (Erysiphe graminis) collected from grass on a lawn of apartments on George Bush Drive. College Station, Texas, March 13, 2023
 Conidia and chasmothecia(?) of corn powdery mildew fungus Blumeria graminis (Erysiphe graminis) collected from grass on a lawn of apartments on George Bush Drive. College Station, Texas, March 13, 2023
 Spores of corn powdery mildew fungus Blumeria graminis (Erysiphe graminis) at low magnification, in lugol, collected from grass on a lawn of apartments on George Bush Drive. College Station, Texas, March 13, 2023
 Spores, conidia and chasmothecia(?) of corn powdery mildew fungus Blumeria graminis (Erysiphe graminis) collected from grass on a lawn of apartments on George Bush Drive. College Station, Texas, March 13, 2023
 Spores of powdery mildew (lawn and garden fungus) Blumeria graminis (Erysiphe graminis) collected from grass on a lawn of apartments on George Bush Drive. College Station, Texas, March 13, 2023
 Warty spurge (Euphorbia spathulata) with 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
 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
 Powdery mildew of oak (Erysiphe alphitoides) on oak seedlings in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024
 Oak seedlings discolored by powdery mildew of oak (Erysiphe alphitoides) in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024
 Whitish covering of oak leaves caused by powdery mildew of oak (Erysiphe alphitoides) in Dubki (The Oaks) Park in Sestroretsk, near Saint Petersburg. Russia, August 7, 2024
 Conidia of powdery mint mildew caused by fungus Neoerysiphe galeopsidis under microscope, from clasping henbit (henbit deadnettle, Lamium amplexicaule) collected in Bee Creek Park. College Station, Texas, March 25, 2022
 Medicago laciniata (Medicago polymorpha, Medicago aschersoniana, local names nafal abu hasak, hassak, jet barri) near Dukhan Road. Western Qatar, March 1, 2014
 Conidia of powdery mint mildew caused by fungus Neoerysiphe galeopsidis under microscope in iodine solution, from clasping henbit (henbit deadnettle, Lamium amplexicaule) collected in Bee Creek Park. College Station, Texas, March 25, 2022
 Medicago laciniata (Medicago polymorpha, Medicago aschersoniana, local names nafal abu hasak, hassak, jet barri) with spherical fruits near Dukhan Road. Western Qatar, March 1, 2014
 Medicago laciniata (Medicago polymorpha, Medicago aschersoniana, local names nafal abu hasak, hassak, jet barri) and a torpedo seed of Erodium near Dukhan Road. Western Qatar, March 1, 2014
 Medicago laciniata (Medicago polymorpha, Medicago aschersoniana, local names nafal abu hasak, hassak, jet barri) and a torpedo seed of Erodium (at the bottom) near Dukhan Road. Western Qatar, March 1, 2014
 Medicago laciniata (Medicago polymorpha, Medicago aschersoniana, local names nafal abu hasak, hassak, jet barri) and a stray torpedo seed of Erodium near Dukhan Road. Western Qatar, March 1, 2014
 Spiderwort (Tradescantia) flowers on pipeline right of way in Lick Creek Park. College Station, Texas, April 18, 2022
 White sweet clover (Melilotus alba) on Deer Run Trail in Lick Creek Park. College Station, Texas, April 29, 2009
 White powdery, with stripes corticioid fungus on a fallen hardwood tree in Lick Creek Park. College Station, Texas, January 2, 2023
 Shoots of dog fennel (Eupatorium capillifolium) on a pipeline right-of-way in Lick Creek Park. College Station, Texas, April 11, 2022
 White spots of corticioid fungus Dendrothele candida on bark of a fallen oak on Racoon Run Trail in Lick Creek Park. College Station, Texas, February 9, 2023
 Texture of white powdery, with stripes corticioid fungus on a fallen hardwood tree in Lick Creek Park. College Station, Texas, January 2, 2023
 Close-up of white powdery, with stripes corticioid fungus on a fallen hardwood tree in Lick Creek Park. College Station, Texas, January 2, 2023
 Margin of white powdery, with stripes corticioid fungus on a fallen hardwood tree in Lick Creek Park. College Station, Texas, January 2, 2023
 Spores of white powdery, with stripes corticioid fungus from a fallen hardwood tree, collected a day before in Lick Creek Park. College Station, Texas, January 3, 2023
 White web-like fungus on rotting oak wood in Lick Creek Park. College Station, Texas, April 29, 2022
 Desert plant Medicago laciniata (Medicago polymorpha, local names nafal abu hasak, hassak, jet barri) in sand near Trainah in southern Qatar, February 14, 2014
 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
 Late-flowering boneset (Eupatorium serotinum) with rust fungus Coleosporium steviae(?) on a pipeline clearing in Lick Creek Park. College Station, Texas, May 15, 2022
 Spores (in lugol) of white powdery, with stripes corticioid fungus from a fallen hardwood tree, collected a day before in Lick Creek Park. College Station, Texas, January 3, 2023
 Desert plant Medicago laciniata (Medicago polymorpha, local names nafal abu hasak, hassak, jet barri) near a road to Saudi Arabia in southern Qatar, February 11, 2014
 Desert plant Medicago laciniata (Medicago polymorpha, local names nafal abu hasak, hassak, jet barri) with seeds in sand near Trainah in southern Qatar, February 14, 2014
 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
 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
 Desert plant Medicago laciniata (Medicago polymorpha, local names nafal abu hasak, hassak, jet barri) with seeds near a road to Sawda Natheel in southern Qatar, February 11, 2014
 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
 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
 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 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
 Spores and tissues (at low magnification) 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
 Pipeline right of way in Lick Creek Park. College Station, Texas, March 30, 2022
 Pipeline right of way in Lick Creek Park. College Station, Texas, August 4, 2022
 Gas pipeline right of way in Lick Creek Park. College Station, Texas, February 22, 2022
 Pipeline right of way in Lick Creek Park. College Station, Texas, January 21, 2022
 Pipeline right of way in Lick Creek Park. College Station, Texas, February 5, 2022
 Powdery mint mildew caused by fungus Neoerysiphe galeopsidis on henbit leaves in TAMU Holistic Garden in Texas A and M University. College Station, Texas, March 27, 2021
 Flat-topped goldenrod (Euthamia leptocephala) with leaf tar spots caused by gall midge Asteromyia euthamiae with a symbiotic fungus Botryosphaeria dothidea in Lick Creek Park. College Station, Texas, June 1, 2022
 Flat-topped goldenrod (Euthamia leptocephala) with leaf tar spots caused by gall midge Asteromyia euthamiae with a symbiotic fungus Botryosphaeria dothidea in Lick Creek Park. College Station, Texas, September 29, 2022
 White clover (Trifolium repens) in Lick Creek Park. College Station, Texas, March 22, 2019
 Underground pipeline in Lick Creek Park. College Station, Texas, February 5, 2022
 Oaks on a pipeline right of way in Lick Creek Park. College Station, Texas, January 21, 2022
 Powdery mint mildew caused by fungus Neoerysiphe galeopsidis on clasping henbit (Lamium amplexicaule) in TAMU Holistic Garden in Texas A and M University. College Station, Texas, March 27, 2021
 Oxbow from a pipeline clearing in Lick Creek Park. College Station, Texas, June 27, 2022
 Oaks over underground pipeline in Lick Creek Park. College Station, Texas, February 5, 2022
 Medicago(?) with purple flowers on Raccoon Run Trail in Lick Creek Park. College Station, Texas, April 22, 2021
 Cattails (typha) on a pipeline clearing in Lick Creek Park. College Station, Texas, June 22, 2022
 Trail ower sewage pipeline in Lick Creek Park. College Station, Texas, August 4, 2022
 Alum Creek from a clearing over a pipeline in Lick Creek Park. College Station, Texas, June 17, 2022
 Some white resupinate polypore mushroom with brown spots on a rotting oak log in Lick Creek Park. College Station, Texas, June 4, 2021
 Hop sedge (Carex lupulina) on a clearing over a pipeline in Lick Creek Park. College Station, Texas, June 13, 2022
 Seed head of cattails (typha) on a pipeline right of way in Lick Creek Park. College Station, Texas, June 22, 2022
 Powdery mint mildew caused by fungus Neoerysiphe galeopsidis on henbit leaves near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 21, 2018
 Oaks on pipeline right-of-way in Lick Creek Park. College Station, Texas, April 12, 2021
 Fluffy seeds of cattails (typha) on a pipeline clearing in Lick Creek Park. College Station, Texas, June 22, 2022
 Many-spiked sedge (Cyperus polystachyos) on a clearing over a pipeline in Lick Creek Park. College Station, Texas, June 13, 2022
 Downy mildew fungus Plasmopara geranii on leaves of cranesbill (Geranium carolinianum) in Lick Creek Park. College Station, Texas, December 15, 2023
 Clasping henbit (henbit deadnettle, Lamium amplexicaule) with powdery mint mildew caused by fungus Neoerysiphe galeopsidis in TAMU Holistic Garden in Texas A and M University. College Station, Texas, March 27, 2021
 Oak forest near a pipeline clearing in Lick Creek Park. College Station, Texas, April 5, 2021
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