 Aeciospores of blackberry rust fungus Gymnoconia nitens (stacked image), collected on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
 Aeciospores of blackberry rust fungus Gymnoconia nitens, collected on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
 Aeciospores of blackberry rust fungus Gymnoconia nitens at low magnification, collected on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
 Orange berry rust fungus Gymnoconia nitens on shoots of blackberry on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
 Orange berry rust fungus Gymnoconia nitens on young leaves of blackberry on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
 Orange aeciospores of blackberry rust fungus Gymnoconia nitens from Lick Creek Park. College Station, Texas, March 14, 2022
 Aeciospores of blackberry rust fungus Gymnoconia nitens at low magnification from Lick Creek Park. College Station, Texas, March 14, 2022
 Texture of echinulate spores of blackberry rust fungus Gymnoconia nitens from Lick Creek Park. College Station, Texas, March 14, 2022
 Orange aeciospores of rust fungus Puccinia eatoniae var. myosotidis(?) from spring scorpion grass collected at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 3, 2022
 Blooming blackberry with orange berry rust fungus (Gymnoconia nitens) in Bastrop State Park. Bastrop, Texas, March 17, 2018
 Orange berry rust fungus (Gymnoconia nitens) on shoots of blackberry in Bastrop State Park. Bastrop, Texas, March 17, 2018
 Blooming blackberry damaged by orange berry rust fungus (Gymnoconia nitens) in Bastrop State Park. Bastrop, Texas, March 17, 2018
 Orange berry rust fungus Gymnoconia nitens on young leaves of blackberry in Lick Creek Park. College Station, Texas, March 14, 2022
 Orange Berry Rust fungus Gymnoconia nitens on shoots of blackberry in Falls on the Brazos Park. Marlin, Texas, March 16, 2018
 Orange Berry Rust fungus Gymnoconia nitens on a leaf of blackberry in Falls on the Brazos Park. Marlin, Texas, March 16, 2018
 Spores (stacked image) of white crust fungus Dendrothele nivosa from bark of red cedar (juniper), collected a day before near Birch Creek Unit of Somerville Lake State Park. Texas, January 17, 2023
 Spores of rust fungus Puccinia eatoniae var. myosotidis(?) from spring scorpion grass under a microscope showing their texture, collected at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 3, 2022
 Aeciospores of Cronartium harknessii rust fungus (Endocronartium harknessii) (stacked image) collected from a pine in Sam Houston National Forest north from Montgomery. Texas, March 11, 2023
 Texture of orange rust fungus Coleosporium ipomoeae on a leaf of Ipomoea lacunosa at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
 Texture of orange spots of rust fungus Coleosporium ipomoeae on a leaf of Ipomoea lacunosa at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
 Orange Berry Rust fungus Gymnoconia nitens on blackberry, with purple spots to the right caused by asexual stage of Helicobasidium purpureum (violet root rot, Tuberculina persicina), in Falls on the Brazos Park. Marlin, Texas, March 16, 2018
 Spores of rust fungus Puccinia eatoniae var. myosotidis(?) from spring scorpion grass collected at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 3, 2022
 Textured surface of spores of rust fungus Puccinia eatoniae var. myosotidis(?) from spring scorpion grass collected at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 3, 2022
 Blooming blackberry at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 14, 2020
 Blooming blackberry at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2019
 Spring scorpion grass (Myosotis macrosperma) with rust fungus Puccinia eatoniae var. myosotidis(?) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2022
 Spores of rust fungus Puccinia eatoniae var. myosotidis(?) at low magnification from spring scorpion grass at low magnification, collected at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 3, 2022
 Underside of a leaf of spring scorpion grass (Myosotis macrosperma) with rust fungus Puccinia eatoniae var. myosotidis(?) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 12, 2022
 Hyphae of peat mold fungus (Chromelosporium fulvum) collected at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 6, 2024
 Tissues and spores at low magnification of peat mold fungus (Chromelosporium fulvum) from soil, collected at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 6, 2024
 Hyphae and spores at low magnification of peat mold fungus (Chromelosporium fulvum) from soil, collected at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 6, 2024
 Leaves of Ipomoea lacunosa with rust fungus Coleosporium ipomoeae at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
 Close-up of a leaf of Ipomoea lacunosa with rust fungus Coleosporium ipomoeae at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
 Both sides of a leaf of Ipomoea lacunosa with rust fungus Coleosporium ipomoeae at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
 Leaves of Ipomoea lacunosa damaged by rust fungus Coleosporium ipomoeae at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
 Details of orange rust fungus Coleosporium ipomoeae on a leaf of Ipomoea lacunosa at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
 Pattern of orange rust fungus Coleosporium ipomoeae on a leaf of Ipomoea lacunosa at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
 Orange spots of rust fungus Coleosporium ipomoeae on a leaf of Ipomoea lacunosa at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
 Texture of a hydnoid (tooth) fungus under a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019
 Texture of corticioid fungus Hyphodontia on a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 29, 2020
 Orange spots of rust fungus Coleosporium ipomoeae on underside of a leaf of Ipomoea lacunosa at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
 Blooming whitestar morning-glory (Ipomoea lacunosa) with rust fungus Coleosporium ipomoeae at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
 Leaves of whitestar morning-glory (Ipomoea lacunosa) with rust fungus Coleosporium ipomoeae at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
 Close-up of orange spots of rust fungus Coleosporium ipomoeae on a leaf of Ipomoea lacunosa at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
 Spores (stacked image) of white crust fungus Dendrothele candida from bark of a large live oak at the entrance, collected a day before in Somerville Lake State Park. Texas, January 2, 2023
 Texture of resupinate polypore fungus Ceriporia(?) under a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
 Spores of rust fungus Puccinia eatoniae var. myosotidis(?) (stacked image), collected in Lick Creek Park. College Station, Texas, February 10, 2023
 Whitestar morning-glory (Ipomoea lacunosa) with orange spots from rust fungus Coleosporium ipomoeae at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
 Underside of a leaf of whitestar morning-glory (Ipomoea lacunosa) with rust fungus Coleosporium ipomoeae at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
 Flower of whitestar morning-glory (Ipomoea lacunosa) and a leaf with rust fungus Coleosporium ipomoeae at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
 Texture of resupinate polupore mushroom Trametes villosa on a fallen juniper at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 6, 2024
 Texture of corticioid (crust) fungus Dichostereum effuscatum on a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 18, 2021
 Texture of tooth fungus (Corticiae) Mycoaciella bispora under a fallen elm or oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019
 White substance from animal droppings under a microscope (in KOH), collected on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 2, 2024
 Wart disease (false rust) caused by fungus Synchytrium geranii (Chytrids) on crane s bill (Geranium carolinianum) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Whitestar morning-glory (Ipomoea lacunosa) with rust fungus Coleosporium ipomoeae in a frequently flooded area at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
 Leaves of whitestar morning-glory (Ipomoea lacunosa) with orange spots from rust fungus Coleosporium ipomoeae at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
 Whitestar morning-glory (Ipomoea lacunosa) in bloom with orange spots from rust fungus Coleosporium ipomoeae at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
 Texture of netted crust fungus (Byssomerulius corium) on a fallen oak branch at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
 Rust fungus Puccinia eatoniae var. myosotidis(?) on underside of a leaf of spring scorpion grass (Myosotis macrosperma, Boraginaceae) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 3, 2022
 Whitestar morning-glory (Ipomoea lacunosa) with a flower and a leaf with orange spots from rust fungus Coleosporium ipomoeae at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 19, 2021
 Texture of brown corticioid (crust) fungus Dichostereum effuscatum on a fallen live oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 1, 2023
 Spectacular rustgill mushrooms (Gymnopilus junonius) under oaks in bushes of blackberry at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 20, 2021
 Various seedlings on a path in shade collected at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 6, 2024
 Texture of blistered jelly lichen (Collema) on a fallen oak on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 18, 2024
 Spores of winter stalkball mushrooms (Tulostoma fimbriatum) collected at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 6, 2024
 Dichohypha of corticioid fungus Dichostereum effuscatum collected at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 1, 2023
 Texture of elder whitewash fungus (Xylodon sambuci, Hyphodontia sambuci) under a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019
 Spores of Eastern North American destroying angel mushrooms (Amanita bisporigera)(?) collected on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Spores of resupinate polupore mushroom Trametes villosa from a fallen juniper, collected at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 6, 2024
 Leaves of Carolina bristlemallow (Modiola caroliniana) with blister-like pustules of rust fungus Puccinia modiolae near Flag Pond on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, March 10, 2021
 Oak curtain crust fungus (Hymenochaete rubiginosa) on fallen oak twigs collected at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 14, 2025
 Hyphae of a parasitic fungus Sporophagomyces with caught spores of Dichostereum effuscatum collected at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 1, 2023
 Urediospores (stacked image) of goldenrod rust fungus Coleosporium solidaginis (Coleosporium asterum)(?) collected over a sewage line in Lick Creek Park. College Station, Texas, August 3, 2023
 Leaf of squaw-weed (Senecio ampullaceus) with sunflower white rust fungus Pustula tragopogonis (Pustula obtusata, Albugo tragopogonis)(?) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Blooming Carolina bristlemallow (Modiola caroliniana) with blister-like pustules of rust fungus Puccinia modiolae on a muddy shore of Flag Pond on Lake Somerville Trailway near Nails Creek Unit of Somerville Lake State Park. Texas, March 10, 2021
 Tissues with dichotomously branched hyphae of corticioid fungus Dichostereum effuscatum from an oak branch, collected at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 1, 2023
 Hyphae and spores (in Congo Red) of peat mold fungus (Chromelosporium fulvum) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 6, 2024
 Peat mold fungus (Chromelosporium fulvum) on soil under live oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 6, 2024
 Underside of a leaf of squaw-weed (Senecio ampullaceus) with sunflower white rust fungus Pustula tragopogonis (Pustula obtusata, Albugo tragopogonis)(?) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Small, smooth, ellipsoid, inamyloid spores of oak curtain crust fungus (Hymenochaete rubiginosa) collected at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park a day before. Texas, December 15, 2025
 Bumpy or velvety hymenium of oak curtain crust fungus (Hymenochaete rubiginosa) on a fallen oak branch collected at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 14, 2025
 Swelling of a stem of tansy mustard (Descurainia pinnata) caused by white rust fungus of crucifers (Albugo candida) at Lake Somerville Trailway under oaks near Flag Pond, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023
 Spores (in KOH) of white rust fungus Pustula tragopogonis (Pustula obtusata, Albugo tragopogonis)(?) from a leaf of squaw-weed (Senecio ampullaceus), collected near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 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
 Close-up of peat mold fungus (Chromelosporium fulvum) on soil under live oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, February 6, 2024
 Sharp bend of a stem of tansy mustard (Descurainia pinnata) caused by white rust fungus of crucifers (Albugo candida) at Lake Somerville Trailway under oaks near Flag Pond, near Nails Creek Unit of Somerville Lake State Park. Texas, March 8, 2023
 Texture of resupinate polypore mushroom on a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, January 26, 2020
 Texture of resupinate polypore mushroom under a fallen oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, December 21, 2019
 Spores (in KOH) of split fibrecap mushrooms (Pseudosperma rimosum) collected on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 11, 2024
 Spores of bristled parachute mushrooms (Marasmius cohaerens) collected on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 11, 2024
 Former cattle pond on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Spiderwort (Tradescantia) on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Dead oak with greenbrier on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 29, 2024
 Corticioid fungus Dendrothele nivosa on bark of Eastern red cedar (Juniper) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, March 18, 2021
 Texture of a cap of bolete mushroom Strobilomyces dryophilus under live oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 17, 2021
 Texture of pore surface of bracket polypore mushrooms on rotting oak at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
 Texture of common duckweed (Lemna minor) on a flooded trail at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 14, 2019
 Spores (spore print light brown) of Mallocybe mushrooms collected on a trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 11, 2024
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