 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
 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
 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
 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
 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
 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
 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
 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
 Root rot fungus (polypore mushroom) Heterobasidion annosum(?) on a pine log in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, March 20, 2021
 Root rot fungus Heterobasidion annosum on bark of a pine log in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 Texture of root rot fungus Heterobasidion annosum on a pine log in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 Close-up of root rot fungus Heterobasidion annosum on a pine log in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 Round patch of root rot fungus Heterobasidion annosum on a pine log in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 Root rot fungus (polypore mushroom) Heterobasidion annosum(?) on a dry pine in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, November 23, 2018
 Root rot fungus Heterobasidion annosum on leaves attached to a pine log in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 White pores of root rot fungus Heterobasidion annosum on a pine log in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 Root rot fungus Heterobasidion annosum enveloping leaves and needles on a pine log in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 Terracotta hedgehog mushrooms (Hydnum rufescens) near a pine root in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, November 21, 2021
 Velvet-top fungus (Phaeolus schweinitzii) near a pine in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, October 20, 2019
 Underside of velvet-top fungus (Phaeolus schweinitzii) near a pine in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, October 20, 2019
 Velvet-top fungus (Phaeolus schweinitzii mushroom) on a pine stump in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, June 26, 2019
 Dust lichen (Lepraria incana) on pine bark in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, March 10, 2019
 Pine needles with rust fungus Coleosporium asterum on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Mold like fungus Tilachlidium setigerum(?) parasitising on gingertail (Xeromphalina campanella) on a pine log in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, November 27, 2019
 Pine needles with pustules of rust fungus Coleosporium asterum on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Dust lichen (Lepraria incana) on bark of a large pine tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, March 10, 2019
 Pine seedling with needle rust caused by fungus Coleosporium asterum on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 White mold fungus Tilachlidium setigerum(?) parasitising on pinewood gingertail (Xeromphalina campanella) on a pine log in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, November 27, 2019
 Aecial pustules of a needle rust caused by fungus Coleosporium asterum on pine needles on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Orange corticioid fungus Leucogyrophana olivascens (Penttilamyces olivascens, or Serpula, Coniophora) on a pine log at Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, November 2, 2019
 Brown corticioid fungus on a fallen pine in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 Fibrecap (Inocybe) mushrooms in a pine forest in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, June 26, 2019
 Mushroom Amanita luzernensis(?) in a pine forest in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, October 20, 2019
 Milkcap mushrooms Lactarius frustratus(?) in a pine forest in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, November 2, 2019
 Small brittlestem (Psathyrella) mushrooms in a pine forest in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, June 26, 2019
 Fairy cap mushrooms Mycena clavicularis in a pine forest in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, November 2, 2019
 Carolina shield lichen (Canoparmelia caroliniana) on a pine in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 Physisporinus(?) mushroom on a vertically cut surface of a fallen pine in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, October 20, 2019
 Porous crust fungus on a fallen branch of a pine in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, November 23, 2018
 Porous corticioid fungus on bark of a fallen pine in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, November 23, 2018
 Close-up of corticioid (crust) fungus on a fallen pine in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 Fallen pine covered by corticioid (crust) fungus in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 Brown corticioid (crust) fungus on a fallen pine in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 Corticioid fungus Coniophora olivacea(?) on pine bark in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 Bolete mushrooms Suillellus subluridus or may be Neoboletus in a pine forest in upper area in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, October 20, 2019
 Mushrooms with slippery stems Mycena clavicularis in a pine forest in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, November 2, 2019
 Corticioid mushroom Physisporinus(?) on a vertically cut surface of a fallen pine in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, October 20, 2019
 Oyster rollrim mushrooms (Tapinella panuoides) on pine wood in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, November 27, 2019
 Carolina shield lichen (Canoparmelia caroliniana) on a standing pine in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 Corticioid fungus Coniophora olivacea(?) on bark of a fallen pine in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 Close up of porous corticioid fungus on bark of a fallen pine in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, November 23, 2018
 Dissected bolete mushrooms Suillellus subluridus or may be Neoboletus in a pine forest in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, October 20, 2019
 Azalea gall fungus Exobasidium vaccinii on leaves of rhododendron in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, June 26, 2019
 Underside of honey fungus (Armillaria mellea) in dryer oak and pine forest in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, November 21, 2021
 Caps of corticioid mushroom Physisporinus(?) on a vertically cut surface of a fallen pine in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, October 20, 2019
 Close up of corticioid mushroom Physisporinus(?) on a vertically cut surface of a fallen pine in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, October 20, 2019
 Texture of corticioid mushroom Physisporinus(?) on a vertically cut surface of a fallen pine in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, October 20, 2019
 Gymnopus subnudus (Collybia subnuda) mushrooms among pine needles and dry oak leaves in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, June 26, 2019
 Large rustgill (Gymnopilus) mushroom on a recently dried pine tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 5, 2019
 White rot fungus Phlebiopsis gigantea in a crack of a broken pine tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 Pattern of Ascomycete fungus Catinella olivacea on underside of a thick pine log in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, April 30, 2023
 Pore surface of a bolete mushroom Suillellus subluridus or may be Neoboletus in a pine forest in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, October 20, 2019
 Side view of bolete mushrooms Suillellus subluridus or may be Neoboletus in a pine forest in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, October 20, 2019
 Green cups of Ascomycete fungus Catinella olivacea on underside of a thick pine log in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, April 30, 2023
 Orange jelly spot fungus (Dacrymyces chrysospermus) on a fallen pine branch in Big Creek Scenic Area of Sam Houston National Forest near Shepherd. Texas, December 21, 2021
 White rot fungus Phlebiopsis gigantea on a broken and vertically split pine tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 Bleeding conifer crust fungus (Stereum sanguinolentum) on a fallen pine branch in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, July 10, 2021
 White rot fungus Phlebiopsis gigantea growing in cracks of a broken pine tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 Texture of white rot fungus Phlebiopsis gigantea in a crack of a broken pine tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 Details of white rot fungus Phlebiopsis gigantea in a crack of a broken pine tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 Hyphae of white rot fungus Phlebiopsis gigantea in a crack of a broken pine tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 Close-up of a gall caused by the fungus Exobasidium symploci-japonicae in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, March 20, 2021
 Mushrooms Leucogloea compressa (Helicogloea compressa) on a wet pine log in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, April 20, 2019
 Fresh leaves of Henry s Spiderlily (Hymenocallis occidentalis var. eulae) in a pine forest in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, March 7, 2020
 Close-up of green cups of Ascomycete fungus Catinella olivacea on underside of a thick pine log in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, April 30, 2023
 Texture of bleeding conifer crust fungus (Stereum sanguinolentum) on a fallen pine branch in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, July 10, 2021
 Tiny green cup fungus Catinella olivacea on underside of a thick half-decomposed pine log in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, April 30, 2023
 Close-up of bleeding conifer crust fungus (Stereum sanguinolentum) on a fallen pine branch in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, July 10, 2021
 Close-up of white rot fungus Phlebiopsis gigantea on a broken and vertically split pine tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 Close-up of orange jelly spot fungus (Dacrymyces chrysospermus) on a fallen pine limb in Big Creek Scenic Area of Sam Houston National Forest near Shepherd. Texas, December 21, 2021
 Hyphae of white rot fungus Phlebiopsis gigantea spreading from cracks of a broken pine tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 Decomposing of green cups of Ascomycete fungus Catinella olivacea on underside of a thick pine log in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, April 30, 2023
 Scratched surface of bleeding conifer crust fungus (Stereum sanguinolentum) on a fallen pine branch in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, July 10, 2021
 Black-edged Pluteus mushrooms (Pluteus atromarginatus) on a pine stump in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, November 27, 2019
 Gall caused by the fungus Exobasidium symploci-japonicae on a young shoot of sweetleaf in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, March 20, 2021
 Gills of black-edged Pluteus mushrooms (Pluteus atromarginatus) on a pine stump in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, November 27, 2019
 White polypore mushroom Antrodia gossypium (Fibroporia gossypium)(?) on a fallen wet pine branch without bark in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 5, 2019
 Mushrooms Trichaptum fuscoviolaceum on a dry pine in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, October 28, 2018
 Gymnopus mushrooms on a pine cone in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, October 28, 2018
 Insect gall on a shoot of blackberry in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, April 20, 2019
 Gall-like corticioid fungus on a fallen oak in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 Red brittlegill (Russula) mushrooms on moss at the base of a pine in a swampy area in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 16, 2021
 Gall-like corticioid fungus in cavities of a fallen oak in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 Gall-like corticioid fungus on a broken end of a fallen oak in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 Dyer s mazegill mushroom (Phaeolus schweinitzii) near a pine in Big Creek Scenic Area of Sam Houston National Forest near Shepherd. Texas, October 3, 2021
 Coral slime mold (Ceratiomyxa fruticulosa) on a wet pine log in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, April 28, 2018
 Violet webcap mushrooms (Cortinarius violaceus) in a pine forest in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, November 23, 2018
 Jellybaby mushrooms (Leotia lubrica) in a mixed oak and pine forest in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, October 28, 2018
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