 Cottony thallus surface of a lichen Cryptothecia striata on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, April 28, 2018
 Lichen Cryptothecia striata on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 Round patch of lichen Cryptothecia striata on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 Lichen Cryptothecia striata on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 5, 2019
 Lichen Cryptothecia striata on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, March 20, 2021
 Lichen Cryptothecia striata on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 Lichen Cryptothecia striata in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 5, 2019
 Spreading lichen Cryptothecia striata on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 Close-up of lichen Cryptothecia striata in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, March 20, 2021
 Lobed cotton lichen (Crocynia pyxinoides, Phyllopsora pyxinoides) and Cryptothecia striata in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 Lichens Cryptothecia striata and Phyllopsora pyxinoides (Crocynia pyxinoides) on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 Phyllopsora pyxinoides (Crocynia pyxinoides) and Cryptothecia striata lichens on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 Greenish grey thallus of brick-spored firedot lichen Brigantiaea leucoxantha on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 5, 2019
 Lichen Cryptothecia striata on a tree on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, March 22, 2020
 Dirinaria lichen on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 Beard lichen (Usnea) fallen from a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 White fringe lichen (Heterodermia albicans) on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 Partially dry lace-scale lichen Phyllopsora parvifolia on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 Loop lichen Parmelinopsis minarum (Hypotrachyna minarum) on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 Striped ramalina lichen (Ramalina montagnei) on a living tree in a forest in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 Pore surface of Phellinus(?) mushroom taken from rotting holly or other tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 16, 2021
 Tree lichen Trypethelium virens (Viridothelium virens) forming yellowish-brown and olive warts in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 Upper surface of mushrooms Stereum complicatum on a fallen tree branch in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, October 11, 2020
 Cap surface of bracket polypore mushrooms Trametes nivosa in moss on a dry standing tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, April 25, 2020
 Pore surface of mushroom Polyporus radicatus(?) taken from a base of a small dry tree, may be holly, in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, April 25, 2020
 Cap surface of bracket polypore mushrooms Trametes nivosa on a dry standing tree with moss in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, April 25, 2020
 Fissurina lichen on bark of a magnolia tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 5, 2019
 Brigantiaea(?) lichen on a deciduous tree near the creek in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 5, 2019
 Surprise lichen (Bacidia schweinitzii) on a holly tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 5, 2019
 Surprise lichen (Bacidia schweinitzii) at the base of a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 5, 2019
 White fringe lichen (Heterodermia albicans) on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 5, 2019
 Details of pore surface of bracket polypore mushrooms Trametes nivosa on a dry standing tree near the creek in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, April 25, 2020
 Close up of Brigantiaea(?) lichen on a deciduous tree near the creek in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 5, 2019
 Texture of Brigantiaea(?) lichen on a deciduous tree near the creek in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 5, 2019
 Brick-spored firedot lichen Brigantiaea leucoxantha on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 5, 2019
 Bark rash lichen (Pyrenula cruenta) on a tree near the creek in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 5, 2019
 Texture of brick-spored firedot lichen Brigantiaea leucoxantha on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 5, 2019
 Blue jellyskin lichen (Leptogium cyanescens) on a magnolie or holly tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 5, 2019
 Brick-spored firedot lichen (Brigantiaea)(?) on bark of a deciduous tree near the creek in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 5, 2019
 Shade form of bark rash lichen (Pyrenula cruenta) on a tree near the creek in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 5, 2019
 Crimson warts of bark rash lichen (Pyrenula cruenta) on a tree near the creek in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 5, 2019
 Orange apothecia of brick-spored firedot lichen Brigantiaea leucoxantha on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 5, 2019
 Brown spot of some fungus over Cryptothecia striata lichen on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, April 24, 2021
 Some zonate fungus spreading over Cryptothecia striata lichen on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, April 24, 2021
 Golden dust lichen Chrysothrix xanthina with a folious lichen on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 Mushrooms Trametopsis cervina on a fallen tree branch in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 Lichen Cryptothecia striata on rough oak bark in Lick Creek Park. College Station, Texas, January 18, 2019
 Blister lichen Trypethelium carolinianum (Bathelium carolinianum) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 Lobed cotton lichen (Crocynia pyxinoides, Phyllopsora pyxinoides) on a holly tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 5, 2019
 Cap surface of fungus Xylobolus subpileatus in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, September 12, 2020
 Pores of polypore mushroom Trametes nivosa on a dry standing tree near the creek in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 Bracket polypore mushrooms Trametes nivosa on a dry standing tree near the creek in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 Shelves of polypore mushrooms Trametes nivosa on a dry standing tree near the creek in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 Asexual stage of crust fungus Biscogniauxia atropunctata on a fallen tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 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
 Pyxine(?) lichen on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 Pyxine(?) lichen on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 Physcia lichen on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 Underside of bracket polypore mushroom Trametes nivosa on a dry standing tree near the creek 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
 Brown asexual stroma of crust fungus Biscogniauxia atropunctata on a fallen tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 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
 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
 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
 Medallion lichen (Dirinaria) on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 Lichen Canoparmelia caroliniana(?) on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 Ramalina dasypoga lichen on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 Pyxine(?) lichen on tree bark in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 Ruffle lichen (Parmotrema) on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 Warty lichen Pyrenula on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 Canoparmelia caroliniana(?) lichen on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 Physcia lichen on tree bark in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 Lichen Parmelinopsis minarum on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 Bark lichen Pyrenula on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 Warty lichen Pyrenula on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 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
 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
 Lichens Parmelinopsis minarum (Hypotrachyna minarum) and Dirinaria on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 Surprise lichen (Bacidia schweinitzii) on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 Ruffle lichen (Parmotrema) on tree bark in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 Some lichen with brown apothecia that looks like Brigantiaea on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 Pox lichen Pyrenula anomala on a tree bark in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 Lichen Parmelinopsis minarum or may be Bulbothrix on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 Squamules of Cladonia lichen at the base of a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, March 20, 2021
 Fissurina lichen on a magnolia tree near the creek in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 Lichen Phyllopsora confusa on a tree near the creek in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 Panus lecomtei (Panus neostrigosus) mushrooms on a fallen tree near the creek in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
 Hairy surface of cloud ear jelly mushroom (Auricularia nigricans) on a big stump of a broken tree, could be elm, in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, July 10, 2021
 Shield lichen (Canoparmelia caroliniana) on a deciduous tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 Lace-scale lichen Phyllopsora parvifolia on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 Bark rash lichen (Pyrenula cruenta) on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 Parmotrema subisidiosum (Rimelia subisidiosa)(?) lichen on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 White fringe lichen (Heterodermia albicans) on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 Streaked rosette lichen (Physcia atrostriata) on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 Pixie-hair lichen (Coenogonium implexum) on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 Buttoned rosette lichen (Pyxine) on a magnolia tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 Parmelinopsis minarum or may be Bulbothrix lichen on tree bark in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
 Streaked rosette lichen (Physcia atrostriata) on a tree in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
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