 Orange Berry Rust fungus Gymnoconia nitens on a leaf of blackberry in Falls on the Brazos Park. Marlin, Texas, March 16, 2018
 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
 Orange berry rust fungus (Gymnoconia nitens) on shoots of blackberry in Bastrop State Park. Bastrop, Texas, March 17, 2018
 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
 Blooming blackberry with orange berry rust fungus (Gymnoconia nitens) 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 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
 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
 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
 Texture of 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
 Orange berry rust, fungus Gymnoconia peckiana (Arthuriomyces peckianus) on a shoot of raspberry near Lenin Trail in area of Razliv near Dibuny, north-west from Saint Petersburg, Russia, May 21, 2019
 Orange berry rust, fungus Gymnoconia peckiana (Arthuriomyces peckianus) on underside of leaves of raspberry near Lenin Trail in area of Razliv near Dibuny, north-west from Saint Petersburg, Russia, May 21, 2019
 Falls on the Brazos Park. Marlin, Texas, March 16, 2018
 Dam of Falls on the Brazos Park. Marlin, Texas, March 16, 2018
 Orange berry rust, fungus Gymnoconia peckiana (Arthuriomyces peckianus) on a shoot of raspberry on black background near Lenin Trail in area of Razliv near Dibuny, north-west from Saint Petersburg, Russia, May 21, 2019
 Tiger sawgill mushrooms (Lentinus tigrinus) on a tree branch taken from shallow water in Falls on the Brazos Park. Marlin, Texas, July 29, 2018
 Dam of Falls on the Brazos Park. Marlin, Texas, July 17, 2011
 Falls on the Brazos Park. Marlin, Texas, July 17, 2011
 Orange aeciospores of pine-pine gall rust (Endocronartium harknessii, Cronartium harknessii rust fungus) on Four Notch Loop Trail of Sam Houston National Forest near Huntsville. Texas, March 23, 2019
 Bloomink blackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 11, 2018
 Aeciospores (orange) of mayapple rust fungus (Puccinia podophylli) collected in Sam Houston National Forest. Texas, March 4, 2023
 Aeciospores (orange) and some other spores of mayapple rust fungus (Puccinia podophylli) collected in Sam Houston National Forest. Texas, March 4, 2023
 Orange aeciospores under a microscope of mayapple rust fungus (Puccinia podophylli), collected in Sam Houston National Forest. Texas, March 4, 2023
 Shoots 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
 Orange spores (aeciospores) of Cronartium harknessii rust fungus (Endocronartium harknessii) collected from a pine in Sam Houston National Forest north from Montgomery. Texas, March 11, 2023
 Orange-yellow rust fungus Puccinia poarum (Puccinia liatridis) on a leaf of gayfeather (Liatris) on Richards Loop Trail in Sam Houston National Forest. Texas, March 26, 2020
 Orange-yellow rust fungus Puccinia poarum (Puccinia liatridis) on basal leaves of gayfeather (Liatris) on Richards Loop Trail in Sam Houston National Forest. Texas, March 26, 2020
 Basal leaves of gayfeather (Liatris) with orange-yellow rust fungus Puccinia poarum (Puccinia liatridis) on Richards Loop Trail in Sam Houston National Forest. Texas, March 26, 2020
 Orange-brown bumps on underside of leaf of Carolina bristlemallow (Modiola caroliniana) caused by rust fungus Puccinia modiolae, taken from a lawn near apartments on George Bush Drive. College Station, Texas, March 13, 2019
 Underside of basal leaves of gayfeather (Liatris) with orange-yellow rust fungus Puccinia poarum (Puccinia liatridis) on Richards Loop Trail in Sam Houston National Forest. Texas, March 26, 2020
 Close-up of orange-yellow rust fungus Puccinia poarum (Puccinia liatridis) on basal leaves of gayfeather (Liatris) on Richards Loop Trail in Sam Houston National Forest. Texas, March 26, 2020
 Blooming blackberry in Bastrop State Park. Bastrop, Texas, March 17, 2018
 Orange berry (Masaa) of desert thorn (Lycium shawii, local name Awsaj). Harrarah, 40 miles south-west from Doha, Qatar, March 12, 2010
 Small green flowers of pigeon-berry (Rivina humilis, rouge-plant) in a forest near Onion Creek in McKinney Falls State Park. Austin, Texas, October 26, 2008
 Blister-like pustules on underside and yellow-orange sunken spots on upper leaf surface of Carolina bristlemallow (Modiola caroliniana) caused by rust fungus Puccinia modiolae, taken from a lawn near apartments on George Bush Drive. College Station, Texas, March 13, 2019
 Small red berries of pigeon-berry (Rivina humilis, rouge-plant, baby peppers) in a forest near Onion Creek in McKinney Falls State Park. Austin, Texas, October 26, 2008
 Carolina bristlemallow (Modiola caroliniana) with blister-like pustules of rust fungus Puccinia modiolae in area of a former pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Close up of aeciospores of pine-pine gall rust (Endocronartium harknessii, Cronartium harknessii rust fungus) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, March 10, 2019
 Aeciospores (orange) of mayapple rust fungus (Puccinia podophylli) collected in Sam Houston National Forest near Montgomery. Texas, April 16, 2022
 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
 Swollen pine root with pine-pine gall rust (Endocronartium harknessii, Cronartium harknessii rust fungus) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, March 10, 2019
 Pigeon-berry (Rivina humilis, rouge-plant, baby peppers) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 5, 2018
 Pine-pine gall rust (Endocronartium harknessii, Cronartium harknessii rust fungus) on a swollen root at the base of a pine in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, March 10, 2019
 Orange jelly fungus Dacryopinax spathularia on a log in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 28, 2018
 Partially dissected swollen pine root with pine-pine gall rust (Endocronartium harknessii, Cronartium harknessii rust fungus) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, March 10, 2019
 Bright orange mayapple rust fungus Allodus podophylli (Puccinia podophylli) on underside of leaves of May apple (Podophyllum peltatum) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, March 21, 2023
 Close-up of bright orange cups of mayapple rust fungus Allodus podophylli (Puccinia podophylli) on underside of leaves of May apple (Podophyllum peltatum) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, March 21, 2023
 Tiny bright orange cups on aecia of mayapple rust fungus (Allodus podophylli, Puccinia podophylli) underside of a leaf of May apple (Podophyllum peltatum) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, March 16, 2019
 Tiny bright orange cups on aecia of mayapple rust fungus (Allodus podophylli, Puccinia podophylli) underside of a leaf of May apple (Podophyllum peltatum) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, March 4, 2023
 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
 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
 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
 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
 Flower and red berry of Carolina wolfberry (box-thorn, Christmas-berry, Lycium carolinianum var. quadrifidum, Solanaceae) on Clapper Rail Trail in Galveston Island State Park. Texas, December 20, 2019
 Squaw-weed (Senecio ampullaceus) with sunflower white rust fungus Pustula tragopogonis (Pustula obtusata, Albugo tragopogonis)(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 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 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
 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
 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
 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 squaw-weed (Senecio ampullaceus) with sunflower white rust fungus Pustula tragopogonis (Pustula obtusata, Albugo tragopogonis)(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Spores of rust fungus Puccinia modiolae collected from Lick Creek Park. College Station, Texas, March 7, 2022
 Urediniospores of sorrel rust fungus (Puccinia oxalidis), collected in Bee Creek Park. College Station, Texas, March 29, 2022
 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
 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
 Pigeon-berry (Rivina humilis, rouge-plant, baby peppers) near a ferry site in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 5, 2018
 Swollen base of a pine with gall rust (Endocronartium harknessii, Cronartium harknessii rust fungus) near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, March 11, 2023
 Pigeon-berry (Rivina humilis, rouge-plant, baby peppers) collected near a ferry site in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 5, 2018
 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
 Spores of sorrel rust fungus (Puccinia oxalidis) at low magnofication, collected in Bee Creek Park. College Station, Texas, March 29, 2022
 Tissues (in Melzer) of sunflower white rust fungus Pustula tragopogonis (Pustula obtusata, Albugo tragopogonis)(?), collected from white powdery stuff with web from underside leaves of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos a day before. Texas, March 7, 2023
 Spores an conidia(?) (in KOH) of sunflower white rust fungus Pustula tragopogonis (Pustula obtusata, Albugo tragopogonis)(?), collected from white powdery stuff with web from underside leaves of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos a day before. Texas, March 7, 2023
 Orange urediniospores of rust fungus Coleosporium tussilaginis on underside of lleaves of coltsfoot (Tussilago farfara) on Lenin Trail near Dibuny, north-west from Saint Petersburg. Russia, July 29, 2024
 Shoots of elm tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 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
 Shoots and flowers of hackberry in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Shoot of blackberry in Lick Creek Park. College Station, Texas, April 11, 2018
 Shoots of gum Bumelia (Sideroxylon lanuginosum) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 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
 Pine-pine gall rust (Endocronartium harknessii, Cronartium harknessii rust fungus) near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, March 11, 2023
 Underside of leaves of wood sorrel Oxalis stricta with rust fungus Puccinia oxalidis in Bee Creek Park. College Station, Texas, March 29, 2022
 Teliospores and urediniospores of rust fungus Puccinia modiolae at higher magnification collected from Lick Creek Park. College Station, Texas, March 7, 2022
 Urediniospores of rust fungus Puccinia eatoniae var. myosotidis(?) from scorpion grass collected from Lick Creek Park. College Station, Texas, March 7, 2022
 Shoots of eastern poison ivy (Toxicodendron radicans) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 27, 2019
 Close up of pine-pine gall rust (Endocronartium harknessii, Cronartium harknessii rust fungus) near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, March 11, 2023
 Orange, slimy substance slowly oozing from grapevine caused by fungus Fusicolla merismoides in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2021
 Orange slime caused by Deer Vomit fungus (Fusicolla merismoides) on oozing sap of grapevine in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2021
 Spores (in Melzer) of sunflower white rust fungus Pustula tragopogonis (Pustula obtusata, Albugo tragopogonis)(?) together with conidia of Alternaria leaf spot(?), collected from white powdery stuff with web from underside leaves of squaw-weed (Senecio ampullaceus) in Washington-on-the-Brazos a day before. Texas, March 7, 2023
 Leaves of littlehip hawthorn (Crataegus spathulata) with cedar-hawthorn rust fungus (Gymnosporangium globosum) in Lick Creek Park. College Station, Texas, April 18, 2018
 Spindle-shaped teliospores of rust fungus Puccinia modiolae at higher magnification collected from Lick Creek Park. College Station, Texas, March 7, 2022
 Leaves of squaw-weed (Senecio ampullaceus) with light yellow areas on leaves caused by sunflower white rust fungus Pustula tragopogonis (Pustula obtusata, Albugo tragopogonis)(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Close-up of orange slime caused by Deer Vomit fungus (Fusicolla merismoides) on oozing sap of grapevine in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 14, 2021
 Tiny bright orange cups of aecia on the underside of leaves of mayapple caused by mayapple rust fungus Allodus podophylli(Puccinia podophylli) on underside of leaves of May apple (Podophyllum peltatum) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, March 2, 2019
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