 Conidiophores and conidia (in Melzer) from soft light brown anamorph (asexual stage) of fungus Hypoxylon rubiginosum collected in Sam Houston National Forest near Richards. Texas, April 2, 2023
 Conidiophores and spores (conidia) (in Melzer) from soft light brown anamorph (asexual stage) of fungus Hypoxylon rubiginosum collected in Sam Houston National Forest near Richards. Texas, April 2, 2023
 Conidia and conidiophores of anamorph (asexual stage) of crust fungus Hypoxylon rubiginosum growing as soft tiny granules on elm wood under a microscope in KOH, collected on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, April 16, 2023
 Conidia and conidiophores of anamorph (asexual stage) of crust fungus Hypoxylon rubiginosum growing as brown fluffy granules on elm wood under a microscope in KOH, collected on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, April 16, 2023
 Conidia (in Melzer) from soft light brown anamorph (asexual stage) of fungus Hypoxylon rubiginosum together with spores of some Ascomycete, collected a day before in Sam Houston National Forest near Richards. Texas, April 3, 2023
 Conidia from soft light brown anamorph (asexual stage) of fungus Hypoxylon rubiginosum together with a large septate spore of some Ascomycete, collected a day before in Sam Houston National Forest near Richards. Texas, April 3, 2023
 Spores (in KOH, low magnification) of endophyte fungus Lylea tetracoila (Heteroconium tetracoilum)(?) from a tiny black dot on wood near orange crust of Hypoxylon rubiginosum, collected a day before in Sam Houston National Forest near Richards. Texas, April 3, 2023
 Conidiophores and tissue of anamorph (asexual stage) of crust fungus Hypoxylon rubiginosum growing as soft tiny granules on elm wood under a microscope in KOH, collected on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, April 16, 2023
 Spores (in KOH) of fungus Hypoxylon rubiginosum from a tiny black dot on wood, collected a day before in Sam Houston National Forest near Richards. Texas, April 3, 2023
 Conidia of fungus Xylaria hypoxylon from an oak log collected three days before on Richards Loop Trail in Sam Houston National Forest. Texas, April 28, 2023
 Conidiospores (in lugol) from soft light brown anamorph (asexual stage) of fungus Hypoxylon rubiginosum, collected a day before in Sam Houston National Forest near Richards. Texas, April 3, 2023
 Conidiospores (in Melzer) from soft light brown anamorph (asexual stage) of fungus Hypoxylon rubiginosum, collected a day before in Sam Houston National Forest near Richards. Texas, April 3, 2023
 Bi-septate spores of endophyte fungus Lylea tetracoila (Heteroconium tetracoilum)(?) from a tiny black dot on wood near crust of Hypoxylon rubiginosum, collected a day before in Sam Houston National Forest near Richards. Texas, April 3, 2023
 Orange crust fungus Hypoxylon rubiginosum on a fallen oak branch without bark on South Wilderness Loop Trail at Little Lake Creek Wilderness in Sam Houston National Forest near Richards. Texas, April 2, 2023
 Spores (in KOH), together with some larger spore of endophyte fungus Lylea tetracoila (Heteroconium tetracoilum)(?) from a tiny black dot on wood near crust of Hypoxylon rubiginosum, collected a day before in Sam Houston National Forest near Richards. Texas, April 3, 2023
 Pattern of orange crust fungus Hypoxylon rubiginosum on a fallen oak branch without bark on South Wilderness Loop Trail at Little Lake Creek Wilderness in Sam Houston National Forest near Richards. Texas, April 2, 2023
 Orange crust fungus Hypoxylon rubiginosum with velvety anamorph (asexual stage) at its margins on South Wilderness Loop Trail at Little Lake Creek Wilderness in Sam Houston National Forest near Richards. Texas, April 2, 2023
 Helically coiled conidia and conidiophores (brown) of corticioid fungus Drepanospora viridis (Helicoma viride)(?) from underside of a fallen pine, collected on Richards Loop Trail in Sam Houston National Forest. Texas, December 17, 2023
 Conidiophores (brown) and helically coiled conidia at low magnification of corticioid fungus Drepanospora viridis (Helicoma viride)(?) from underside of a fallen pine, collected on Richards Loop Trail in Sam Houston National Forest. Texas, December 17, 2023
 Spores (in KOH) and some black hair (under a microscope) of endophyte fungus Lylea tetracoila (Heteroconium tetracoilum)(?) from a tiny black dot on wood near crust of Hypoxylon rubiginosum, collected a day before in Sam Houston National Forest near Richards. Texas, April 3, 2023
 Fungus Hypoxylon rubiginosum together with soft light brown anamorph (asexual stage) at its margins on South Wilderness Loop Trail at Little Lake Creek Wilderness in Sam Houston National Forest near Richards. Texas, April 2, 2023
 Close-up of crust fungus Hypoxylon rubiginosum and light brown anamorph (asexual stage) at its margins on South Wilderness Loop Trail at Little Lake Creek Wilderness in Sam Houston National Forest near Richards. Texas, April 2, 2023
 Conidia (in lugol) from Xylocoremium flabelliforme, anamorph stage of fungus Xylaria cubensis, collected in Sam Houston National Forest near Richards. Texas, April 2, 2023
 Close-up of crust fungus Hypoxylon rubiginosum with light brown fluffy anamorph (asexual stage) at its margins on South Wilderness Loop Trail at Little Lake Creek Wilderness in Sam Houston National Forest near Richards. Texas, April 2, 2023
 Tiny soft granules of anamorph (asexual stage) of crust fungus Hypoxylon rubiginosum(?) together with some orange tooth-like corticioid fungus on a fallen tree branch in Lick Creek Park. College Station, Texas, April 19, 2023
 Conidia of candlesnuff fungus (Xylaria hypoxylon(?)) from a large fallen hickory collected in Sam Houston National Forest. Texas, September 3, 2022
 Conidiophores (brown) at low magnification of corticioid fungus Drepanospora viridis (Helicoma viride)(?) from underside of a fallen pine, collected on Richards Loop Trail in Sam Houston National Forest. Texas, December 17, 2023
 Thin yellow corticioid fungus (Hypoxylon rubiginosum(?), young stage) covering underside of a decorticated oak log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, May 19, 2018
 Crust fungus Hypoxylon rubiginosum(?) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, September 7, 2019
 Crust fungus Hypoxylon rubiginosum(?) on a log on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, September 7, 2019
 Tiny soft granules of anamorph (asexual stage) of crust fungus Hypoxylon rubiginosum(?) on an elm log in wet area on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, April 16, 2023
 Growth of tiny puffs of anamorph (asexual stage) of crust fungus Hypoxylon rubiginosum(?) on an elm log in wet area on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, April 16, 2023
 Thin yellow crust of corticioid fungus Hypoxylon rubiginosum around tunnels of bark beetles on an elm log in wet area on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, April 16, 2023
 Chain of cubical conidia from tufts of conidiophores of soft yellowish mold-like fungus from underside of a broadleaf log, may be Arthroconidium, Coremiella cubispora or Wallemia, collected a day before in Lick Creek Park. College Station, Texas, January 10, 2023
 Conidiophores and conidia of downy mildew fungus Plasmopara geranii or may be P. pusilla from a leaf of crane s bill (Geranium carolinianum), collected near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Spores of white smooth corticioid fungus from underside of burned pines, collected on Richards Loop Trail in Sam Houston National Forest four days before. Texas, July 27, 2023
 Helically coiled conidia of corticioid fungus Drepanospora viridis (Helicoma viride)(?) from underside of a fallen pine, collected on Richards Loop Trail in Sam Houston National Forest. Texas, December 17, 2023
 Close-up of thin yellow crust of corticioid fungus Hypoxylon rubiginosum around tunnels of bark beetles on an elm log in wet area on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, April 16, 2023
 Details of thin yellow crust of corticioid fungus Hypoxylon rubiginosum around tunnels of bark beetles on an elm log in wet area on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, April 16, 2023
 Fungus Xylaria hypoxylon on an oak log on Richards Loop Trail in Sam Houston National Forest. Texas, April 25, 2023
 Conidiophores and round conidia of downy mildew fungus Plasmopara geranii or may be P. pusilla from a leaf of crane s bill (Geranium carolinianum), collected near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Yellow corticioid fungus Hypoxylon rubiginosum together with is brown anamorph (asexual stage) around tunnels of bark beetles on an elm log in wet area on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, April 16, 2023
 Conidiophores and conidia (x100 objective) of downy mildew fungus Plasmopara geranii or may be P. pusilla from a leaf of crane s bill (Geranium carolinianum), collected near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Conidiophores and conidia (in lugol, x40 objective) of downy mildew fungus Plasmopara geranii or may be P. pusilla from a leaf of crane s bill (Geranium carolinianum), collected near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Tissues under a microscope of beech woodwart fungus (Hypoxylon fragiforme) from a fallen twig, collected on Richards Loop Trail in Sam Houston National Forest. Texas, February 5, 2023
 Conidiophores and conidia (in lugol, x100 objective) of downy mildew fungus Plasmopara geranii or may be P. pusilla from a leaf of crane s bill (Geranium carolinianum), collected near Birch Creek Unit of Somerville Lake State Park. Texas, March 5, 2023
 Spores or may be conidia of Mucor mold-like fungus Phycomyces or Zygomyces from poop, collected in Sam Houston National Forest near Montgomery. Texas, December 2, 2023
 Tissues and conidia of mold fungus Tilachlidium setigerum(?) from Xeromphalina collected north from Trailhead No. 6 in Sam Houston National Forest. Texas, December 31, 2023
 Terminal phialides(?) and conidia of mold fungus Tilachlidium setigerum(?) from Xeromphalina collected north from Trailhead No. 6 in Sam Houston National Forest. Texas, December 31, 2023
 Cross section of orange amorphous stuff on a side of the path in sandy exposed soil, may be sclerotium of a fungus Penicillium vanoranjei, on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, December 22, 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
 Hyphae and conidia under a microscope with x40 objective of mold-like fungus Tilachlidium setigerum(?) from dried Xeromphalina mushrooms, collected in Sam Houston National Forest near Montgomery. Texas, December 2, 2023
 Conidia and tissues under a microscope with x40 objective of mold-like fungus Tilachlidium setigerum(?) from dried Xeromphalina mushrooms, collected in Sam Houston National Forest near Montgomery. Texas, December 2, 2023
 Spores of brown corticioid fungus growing over Hypoxylon from a fallen oak collected in Sam Houston National Forest a day before. Texas, February 19, 2023
 Conidia of magnolia-cone Xylaria fungus (Xylaria magnoliae) collected in Big Creek Scenic Area of Sam Houston National Forest a day before. Texas, May 1, 2023
 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
 Spores (in KOH) Hypoxylon fungus from a twig (may be contamination) collected near Caney Creek three days before in Sam Houston National Forest. Texas, February 8, 2023
 Spores (in KOH, low magnification) Hypoxylon fungus from a twig (may be contamination) collected near Caney Creek three days before in Sam Houston National Forest. Texas, February 8, 2023
 Spores of resupinate polypore mushroom covering large area on a fallen and cut oak, collected a day before on South Wilderness Loop Trail in Sam Houston National Forest near Richards. Texas, January 15, 2023
 Conidiaphores and conidia of mold fungus Hypomyces from blushing bracket mushrooms, collected on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, January 22, 2023
 Hyphae and conidia of mold fungus Hypomyces from blushing bracket mushrooms, collected on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, January 22, 2023
 Spores (in lugol) of wrinkled crust fungus Serpula himantioides from a pine log (spore print orange-brown, turns orange in KOH), collected a day before in Sam Houston National Forest. Texas, January 12, 2023
 Candlesnuff fungus (Xylaria hypoxylon) on a log on Richards Loop Trail in Sam Houston National Forest. Texas, April 20, 2020
 Spores (under applied pressure) of resupinate polypore mushroom covering large area on a fallen and cut oak, collected a day before on South Wilderness Loop Trail in Sam Houston National Forest near Richards. Texas, January 15, 2023
 Variable in size conidia (in lugol) of blue mold fungus (Penicillium italicum) from trifoliate orange, collected on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, October 30, 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
 Crust fungus Hypoxylon rubiginosum(?) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, August 31, 2019
 Bright brown corticioid fungus growing over black Hypoxylon or Biscogniauxia crust on a fallen oak on Richards Loop Trail in Sam Houston National Forest. Texas, February 18, 2023
 Close-up of brown corticioid fungus growing over black Hypoxylon or Biscogniauxia crust on a fallen oak on Richards Loop Trail in Sam Houston National Forest. Texas, February 18, 2023
 Fungus Hypoxylon rubiginosum(?) on rotting wood on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, September 14, 2019
 Fungus Hypoxylon rubiginosum(?) on rotting wood on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, August 31, 2019
 Texture of corticioid fungus Hypoxylon rubiginosum(?) on a log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, November 26, 2020
 Details of corticioid fungus Hypoxylon rubiginosum(?) on a log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, November 26, 2020
 Candlesnuff fungus (Xylaria hypoxylon) on rotting wood on Richards Loop Trail in Sam Houston National Forest. Texas, April 20, 2020
 Conidia of brittle cinder fungus (Kretzschmaria deusta) from large fallen hickory (no pictures of the fungus were taken) collected in Sam Houston National Forest. Texas, September 3, 2022
 Crust fungus Hypoxylon rubiginosum(?) on rotting wood on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, August 31, 2019
 Hypoxylon rubiginosum(?) crust fungus on underside of a piece of wood on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, June 9, 2018
 Yellow crust fungus Hypoxylon rubiginosum(?) on underside of a piece of wood on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, May 26, 2018
 Yellow corticioid fungus (Hypoxylon rubiginosum(?), young stage) on underside of an oak log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, May 19, 2018
 Conidia (in KOH) of corticioid fungus Virgariella (anamorph of Hypoxylon fuscum complex) from Japanese privet, collected in Hensel Park. College Station, Texas, March 11, 2024
 Close up of Hypoxylon rubiginosum(?) crust fungus on underside of a piece of wood on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, June 9, 2018
 Crust fungus Hypoxylon rubiginosum(?) on a fallen tree branch on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, November 26, 2020
 Yellow and dark-brown Hypoxylon rubiginosum(?) fungus on underside of a piece of wood on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, June 9, 2018
 Close up of a yellow fungus (Hypoxylon rubiginosum(?), young stage) that looks like sprayed paint on underside of an oak log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, May 19, 2018
 Yellow corticioid fungus (Hypoxylon rubiginosum(?), young stage) that looks like sprayed paint on underside of an oak log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, May 19, 2018
 Thin yellow corticioid fungus (Hypoxylon rubiginosum(?), young stage) on underside of a decorticated oak log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, May 19, 2018
 Masses of conidia (in KOH) of corticioid fungus Virgariella (anamorph of Hypoxylon fuscum group) from Japanese privet, collected in Hensel Park. College Station, Texas, March 11, 2024
 Cylindrical conidia (in Congo Red) of mold fungus Cylindrium elongatum(?) from a rotting oak leaf, collected on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, January 19, 2023
 Cylindrical conidia (in lugol) of mold fungus Cylindrium elongatum(?) from a rotting oak leaf, collected on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, January 19, 2023
 Yellow and dark-brown Hypoxylon rubiginosum(?) corticioid fungus on underside of a piece of wood on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, June 9, 2018
 Spreading yellow and dark-brown fungus Hypoxylon rubiginosum(?) on underside of a piece of wood on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, June 9, 2018
 Yellow and dark-brown crust fungus Hypoxylon rubiginosum(?) on underside of a piece of wood on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, June 9, 2018
 Cylindrical conidia (in lugol, low magnification) of mold fungus Cylindrium elongatum(?) from a rotting oak leaf, collected on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, January 19, 2023
 Hyphae and conidia(?) of web-like fungus Sporophagomyces chrysostomus from resupinate polypore mushroom Fuscoporia (Hymenochaetaceae) collected a day before on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, December 29, 2023
 Conidia and encrusted cystidia (in KOH) of corticioid fungus Virgariella (anamorph of Hypoxylon fuscum complex) from Japanese privet, collected in Hensel Park. College Station, Texas, March 11, 2024
 Tissues of orange sclerotia of some fungus under a microscope, collected north from Trailhead No. 6 in Sam Houston National Forest. Texas, December 31, 2023
 Aeciospores (orange) of mayapple rust fungus (Puccinia podophylli) collected in Sam Houston National Forest. Texas, March 4, 2023
 Spores of resupinate polypore mushroom from the same log as orange Tomentella fungus, collected a day before in Sam Houston National Forest. Texas, November 20, 2023
 Yellow and dark-brown Hypoxylon rubiginosum(?) crust fungus spreading on underside of a piece of wood on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, June 9, 2018
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