 Pine needles with pustules of rust fungus Coleosporium asterum on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Pine seedling with needle rust caused by fungus Coleosporium asterum on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Pine needles with rust fungus Coleosporium asterum on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Close up of pine needle rust fungus (Coleosporium elephantopi, Coleosporium elephantopodis) on hairy elephant foot on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, July 27, 2018
 Pine needle rust fungus (Coleosporium elephantopi, Coleosporium elephantopodis) on hairy elephant foot (Elephantopus tomentosus(?)) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, July 27, 2018
 Wilted basal leaves of hairy elephant foot with pine needle rust fungus (Coleosporium elephantopi, Coleosporium elephantopodis) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, July 27, 2018
 Pine needle rust fungus (Coleosporium elephantopi, Coleosporium elephantopodis) on basal leaves of hairy elephant foot (Elephantopus tomentosus(?)) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, July 27, 2018
 Leaves of elephant foot plant (elephantopus tomentosus(?)) with needle rust fungus (Coleosporium elephantopi, Coleosporium elephantopodis) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, July 21, 2018
 Needle rust fungus (Coleosporium elephantopi, Coleosporium elephantopodis) on basal leaves of elephant foot plant (elephantopus tomentosus(?)) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, July 21, 2018
 Large urediospores of goldenrod rust fungus Coleosporium solidaginis (Coleosporium asterum)(?) collected over a sewage line in Lick Creek Park. College Station, Texas, August 3, 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
 Urediospores (under a microscope at low magnification) of goldenrod rust fungus Coleosporium solidaginis (Coleosporium asterum)(?) collected over a sewage line in Lick Creek Park. College Station, Texas, August 3, 2023
 Blackseed speargrass (oats needle grass, Piptochaetium avenaceum) in a pine forest on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 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
 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
 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
 Black spots of fungus Lophodermium (Rhytismataceae) on fallen pine needles on Richards Loop Trail in Sam Houston National Forest. Texas, April 6, 2020
 Shoot of tall goldenrod (Solidago altissima) or may be fragrant goldenrod (S. odora) infected by goldenrod rust fungus Coleosporium solidaginis (Coleosporium asterum)(?), collected over a sewage line in Lick Creek Park. College Station, Texas, August 3, 2023
 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
 Leaves of May apple (Podophyllum peltatum) with yellow spots caused by teleutosori of mayapple rust fungus Allodus podophylli (Puccinia podophylli) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, March 23, 2020
 Oak leaves with brown spots caused by a fungus(?) on Richards Loop Trail in Sam Houston National Forest, Texas, November 19, 2020
 Pine needles on resupinate polypore mushroom Fibroporia radiculosa on a side surface of a fallen pine on North Wilderness Loop Trail in Sam Houston National Forest near Richards. Texas, December 27, 2020
 Mushrooms Gymnopus luxurians among pine needles and twigs on Richards Loop Trail in Sam Houston National Forest. Texas, September 25, 2020
 Bald knight (Melanoleuca melaleuca)(?) mushrooms among pine needles on Richards Loop Trail in Sam Houston National Forest. Texas, September 25, 2020
 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
 Bolete mushrooms Pulveroboletus curtisii among pine needles on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, October 3, 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
 Large olive-brown grisette mushrooms Amanita justicei(?) among pine needles on Richards Loop Trail in Sam Houston National Forest. Texas, September 25, 2020
 Rusty crust fungus (Physisporinus vitreus)(?) and a pine needle on a log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, October 24, 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
 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
 Leaves of Carolina bristlemallow (Modiola caroliniana) with blister-like pustules of rust fungus Puccinia modiolae on a receding shore of Lake Conroe on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, February 16, 2020
 Small waxcap mushrooms Hygrocybe virginea var. ochraceopallida ( Cuphophyllus virgineus)(?) among pine needles on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 2020
 Group of large olive-brown grisette mushrooms Amanita justicei(?) among pine needles on Richards Loop Trail in Sam Houston National Forest. Texas, September 25, 2020
 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
 Underside of small waxcap mushrooms Hygrocybe virginea var. ochraceopallida ( Cuphophyllus virgineus)(?) among pine needles on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 2020
 Velvet-top fungus (Phaeolus schweinitzii) enveloping needles and twigs on North Wilderness Loop Trail in Sam Houston National Forest near Richards. Texas, October 8, 2020
 May apple (mandrake, Podophyllum peltatum) with yellow spots caused by teleutosori of mayapple rust fungus Allodus podophylli (Puccinia podophylli) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, March 30, 2019
 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
 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
 Gymnopus dryophilus (Collybia dryophila)(?) mushrooms among pine needles and oak leaves on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, March 22, 2020
 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
 Greenbrier leaves with rust fungus Puccinia smilacis, collected on Richards Loop Trail in Sam Houston National Forest. Texas, March 9, 2022
 Slime mold Physarum globuliferum(?) on a pine needle on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 30, 2018
 Underside of greenbrier leaves with rust fungus Puccinia smilacis, collected on Richards Loop Trail in Sam Houston National Forest. Texas, March 9, 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
 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
 Close up of slime mold Physarum globuliferum(?) on a pine needle on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 30, 2018
 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
 Toothed cup fungus (Tarzetta cupularis) under pine needles and oak leaves on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, February 29, 2020
 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
 White Amanita mushroom on roadside with disturbed sandy soil with pine needles, oak leaves and some grass, in a pine forest at Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, December 9, 2021
 Black blotches on the leaf of persimmon (Diospyros virginiana) caused by Cercospora leaf spot fungus Pseudocercospora diospyricola on Richards Loop Trail in Sam Houston National Forest. Texas, August 21, 2020
 Downy conecap mushrooms (Conocybe subpubescens) on pine needles on a terrace over the creek on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, March 22, 2020
 Tiny mushrooms Mycena chloroxantha var. appalachienensis (Mycena sect. Sacchariferae) on pine needles on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, March 22, 2020
 Yellow spots caused by some rust fungus on a leaf of jumpseed (knotweed, Persicaria virginiana) on floodplain on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, July 3, 2022
 Distorted oak leaves caused by insect larvae(?) on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
 Brick-red Clitocybe mushrooms (Clitocybe sinopica, Bonomyces sinopicus) among burned pine needles and oak leaves after a prescribed burn a week ago on Richards Loop Trail in Sam Houston National Forest. Texas, March 21, 2021
 Brown webcap (Cortinarius) mushrooms on pine needles on Richards Loop Trail in Sam Houston National Forest. Texas, January 9, 2021
 Melanoleuca mushrooms growing on pine needles of Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, October 2, 2021
 Circular dark purplish red spots with centers fading with age caused by Deutero fungus (Neocercosporidium smilacis, Cercospora smilacis) on leaves of common greenbrier (Smilax rotundifolia) on Richards Loop Trail in Sam Houston National Forest. Texas, May 10, 2020
 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
 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
 Yellow web-like corticioid fungus under a pine(?) log on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 2020
 Spores of rust fungus Coleosporium elephantopodis collected in Sam Houston National Forest north from Montgomery. Texas, June 2, 2022
 Spores of rust fungus Coleosporium elephantopodis collected in Sam Houston National Forest north from Montgomery. Texas, June 18, 2022
 Underside of Melanoleuca mushrooms growing on pine needles of Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, October 2, 2021
 Close-up of Melanoleuca mushrooms growing on pine needles of Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, October 2, 2021
 Melanoleuca mushrooms on sandy soil with pine needles of Forest Service Road 203 on Richards Loop Trail in Sam Houston National Forest. Texas, October 13, 2021
 Black trumpet mushrooms (Craterellus fallax) among pine needles on Richards Loop Trail in Sam Houston National Forest. Texas, June 2, 2021
 Red chanterelle mushrooms (Cantharellus cinnabarinus) with pine needles in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, May 18, 2014
 Small Gymnopus mushrooms on fallen pine needles on Road FS 203 near Richards Loop Trail in Sam Houston National Forest. Texas, August 25, 2022
 Top view of brown webcap (Cortinarius) mushroom on pine needles on Richards Loop Trail in Sam Houston National Forest. Texas, January 9, 2021
 Gills of brown webcap (Cortinarius) mushroom on pine needles on Richards Loop Trail in Sam Houston National Forest. Texas, January 9, 2021
 Gymnopus biformis mushrooms growing on litter and pine needles near Richards Loop Trail in Sam Houston National Forest. Texas, October 2, 2021
 Curling of leaves caused by blackberry psyllid (Trioza tripunctata) on Richards Loop Trail in Sam Houston National Forest. Texas, July 12, 2020
 Surprise webcap mushrooms (Cortinarius semisanguineus) among pine needles near Forest Service Road 203 on Richards Loop Trail in Sam Houston National Forest. Texas, February 27, 2022
 May apple leaf with yellow spots caused by teleutosori of mayapple rust fungus Allodus podophylli (Puccinia podophylli) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, April 6, 2024
 Details of yellow web-like corticioid fungus under a pine(?) log on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 2020
 Spores of rust fungus Coleosporium elephantopodis at low magnification collected in Sam Houston National Forest north from Montgomery. Texas, June 2, 2022
 Side view of brown webcap (Cortinarius) mushrooms on pine needles on Richards Loop Trail in Sam Houston National Forest. Texas, January 9, 2021
 Cross section of brown webcap (Cortinarius) mushroom on pine needles on Richards Loop Trail in Sam Houston National Forest. Texas, January 9, 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
 Jellied false coral mushrooms (Sebacina schweinitzii) on a trail covered by pine needles on Richards Loop Trail in Sam Houston National Forest. Texas, June 2, 2021
 Yellow spots on a leaf of May apple (Podophyllum peltatum) caused by teleutosori of rust fungus Allodus podophylli (Puccinia podophylli) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, April 10, 2021
 Leaves of May apple (mandrake, Podophyllum peltatum) with yellow spots caused by teleutosori of mayapple rust fungus Allodus podophylli (Puccinia podophylli) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, May 5, 2018
 Gymnopus biformis mushrooms on pine needles on Forest Service Road 203 on a shortcut of Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 22, 2018
 Melanoleuca mushrooms growing among pine needles on Forest Service Road 203 on a shortcut of Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 22, 2018
 Some small Melanoleuca mushrooms among pine needles on Forest Service Road 203 on a shortcut of Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 22, 2018
 Brown Melanoleuca mushrooms among pine needles on Forest Service Road 203 on a shortcut of Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 22, 2018
 Path covered by pine needles on Little Lake Loop Trail in Sam Houston National Forest east from Trail Head No. 4, near Montgomery. Texas, November 29, 2020
 Light orange corticioid (crust) fungus on a pine log on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 2020
 White and orange corticioid (crust) fungus on a pine log on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 2020
 Side view of Ascomycete mushroom Helvella lacunosa on pine needles on Road FS 203 near Richards Loop Trail in Sam Houston National Forest. Texas, February 18, 2023
 Chanterelle mushrooms Cantharellus tabernensis among pine needles in the middle of Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 30, 2018
 Leaves of May apple (Podophyllum peltatum) with yellow spots caused by teleutosori of mayapple rust fungus Allodus podophylli (Puccinia podophylli) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, April 23, 2022
 Corticioid fungus Coniophora olivacea and clustered icicle fungus (Mucronella calva) on a fallen pine on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, February 8, 2020
|