 Necrotic spots that develop into angular lesions on underside of a leaf of persimmon (Diospyros virginiana) caused by persimmon Cercospora leaf spot fungus Pseudocercospora diospyricola on Richards Loop Trail in Sam Houston National Forest. Texas, August 21, 2020
 Leaf of persimmon (Diospyros virginiana) prematurely turned yellow with black spots of fungus Pseudocercospora diospyricola on Richards Loop Trail in Sam Houston National Forest. Texas, August 21, 2020
 Oak leaf anthracnose (leaf spot fungus, Dicarpella dryina, Tubakia dryina) on Richards Loop Trail in Sam Houston National Forest. Texas, May 10, 2020
 Close-up of oak leaf anthracnose (leaf spot fungus, Dicarpella dryina, Tubakia dryina) on Richards Loop Trail in Sam Houston National Forest. Texas, May 10, 2020
 Back lit oak leaf anthracnose (leaf spot fungus, Dicarpella dryina, Tubakia dryina) on Richards Loop Trail in Sam Houston National Forest. Texas, May 10, 2020
 Circular dark purplish red spots with centers fading with age caused by Deutero fungus (Cercospora smilacis) on leaves of common greenbrier (Smilax rotundifolia) on Richards Loop Trail in Sam Houston National Forest. Texas, May 10, 2020
 Oak leaf anthracnose (leaf spot fungus, Dicarpella dryina, Tubakia dryina) on Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, June 17, 2018
 Close up of oak leaf anthracnose (leaf spot fungus, Dicarpella dryina, Tubakia dryina) on Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, June 17, 2018
 Deutero fungus (Cercospora smilacis) on leaves of common greenbrier (Smilax rotundifolia) on Richards Loop Trail in Sam Houston National Forest. Texas, May 10, 2020
 Dark red spots of Deutero fungus (Cercospora smilacis) on leaves of common greenbrier (Smilax rotundifolia) on Richards Loop Trail in Sam Houston National Forest. Texas, May 10, 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
 Oak leaves with brown spots caused by a fungus(?) on Richards Loop Trail in Sam Houston National Forest, Texas, November 19, 2020
 Close-up of a leaf of sassafras on Richards Loop Trail in Sam Houston National Forest. Texas, December 15, 2020
 Speckled leaf of sassafras on Richards Loop Trail in Sam Houston National Forest. Texas, December 15, 2020
 Orange leaf of sassafras on Richards Loop Trail in Sam Houston National Forest. Texas, December 15, 2020
 Venation of a sassafras leaf on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Texture of a leaf of sassafras on Richards Loop Trail in Sam Houston National Forest. Texas, December 15, 2020
 Red leaf of sassafras at Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, August 19, 2012
 Woolly growth (gall) on a dry oak leaf on Richards Loop Trail in Sam Houston National Forest. Texas, November 5, 2020
 Narrow-leaf gayfeather (Liatris mucronata(?)) on Richards Loop Trail in Sam Houston National Forest. Texas, July 12, 2020
 Pine seedling with needle rust caused by fungus Coleosporium asterum on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Flowers of narrow-leaf gayfeather (Liatris mucronata(?)) on Richards Loop Trail in Sam Houston National Forest. Texas, July 12, 2020
 Persimmon (Diospyros virginiana) in Lake Bryan Park. Bryan, Texas, August 26, 2012
 Fruits of persimmon (Diospyros virginiana) in Lake Bryan Park. Bryan, Texas, August 26, 2012
 Young lobed leaf of mustang grape (Vitis mustangensis) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Young red lobed leaf of mustang grape (Vitis mustangensis) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Hickory leaf with dense cover of Phylloxera galls on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, May 2, 2020
 Large catalpa-like leaf with pronounced veins on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, November 20, 2020
 Shield-backed bug (Scutelleridae) on a leaf of yaupon holly in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, August 10, 2008
 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
 Yellow leaf of passion flower (Passiflora lutea) on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, November 20, 2020
 Purple pleat-leaf (Pinewood lily, Alophia drummondii, Eustylis purpurea) on Little Lake Creek Loop Trail in Sam Houston National Forest, with 3 large rounded dark purple outer petal segments and 3 boat-like inner petals with a yellow spot at central pithed-in area. Richards, Texas, June 22, 2008
 Wild persimmon (Diospyros virginiana) near Gan s Creek trail head (blue trail) in Rock Bridge State Park. Columbia, Missouri, September 16, 2005
 Fruit of persimmon (Diospyros virginiana) on north shore of Lake Somerville. Texas, September 27, 2008
 Skeletonized leaf in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, May 26, 2012
 Distorted oak leaves caused by insect larvae(?) on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
 Collected fruits of persimmon (Diospyros virginiana) on a log in Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2012
 Black spots of fungus Lophodermium (Rhytismataceae) on fallen pine needles on Richards Loop Trail in Sam Houston National Forest. Texas, April 6, 2020
 Curling of leaves caused by blackberry psyllid (Trioza tripunctata) on Richards Loop Trail in Sam Houston National Forest. Texas, July 12, 2020
 Fruits of persimmon (Diospyros virginiana) in Lake Bryan Park. Bryan, Texas, September 18, 2009
 Back lit leaf of black cherry Prunus serotina on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, April 16, 2019
 Young flowers of narrow-leaf gayfeather (Liatris mucronata) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 20, 2008
 Opening flowers of narrow-leaf gayfeather (Liatris mucronata) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 20, 2008
 Shrubby (narrow-leaf) water-primrose (Ludwigia octovalvis) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 22, 2008
 Purple pleat-leaf (Pinewood lily, Alophia drummondii, Eustylis purpurea) in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, May 26, 2012
 Tiny white flowers of rustweed (juniper leaf, Polypremum procumbens) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 20, 2008
 Greenish-yellow, bell-shaped flower of persimmon (Diospyros virginiana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 9, 2009
 Purple pleat-leaf (Pinewood lily, Alophia drummondii, Eustylis purpurea) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 13, 2014
 Purple pleat-leaf (Pinewood lily, Alophia drummondii, Eustylis purpurea) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 13, 2014
 Some fungus on underside of a magnolia leaf on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, September 22, 2018
 Flower of purple pleat-leaf (Pinewood lily, Alophia drummondii, Eustylis purpurea) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 13, 2014
 Flower of Purple pleat-leaf (Pinewood lily, Alophia drummondii, Eustylis purpurea) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 13, 2014
 Narrow-leaf gayfeather (Liatris mucronata), close up of flowers with imbricated phyllaries enclosing each cluster, on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 20, 2008
 Thin round fungus on underside of a magnolia leaf on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, September 22, 2018
 Central area of a flower of Purple pleat-leaf (Pinewood lily, Alophia drummondii, Eustylis purpurea) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 13, 2014
 Various leaves with black fungus dots Mycosphaerella leaf spot (Mycosphaerella microsora)? in Lisiy Nos, west from Saint Petersburg. Russia, October 9, 2016
 Red and black ripening blackberries on Richards Loop Trail in Sam Houston National Forest. Texas, April 11, 2020
 Young leaf of May apple (Podophyllum peltatum) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, February 9, 2020
 Leaf venation of May apple (Podophyllum peltatum) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, February 9, 2020
 Leaf of resurrection fern (Pleopeltis polypodioides) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, November 26, 2020
 Black-eyed susan (Rudbeckia hirta) on Richards Loop Trail in Sam Houston National Forest. Texas, May 10, 2020
 Gymnopus mushrooms on black background on Richards Loop Trail in Sam Houston National Forest. Texas, April 20, 2020
 Floral receptacles of lire-leaf sage on a trail in Sam Houston National Forest, near Road 149, near Richards. Texas, May 15, 2010
 Clitocybula lacerata(?) mushrooms on black background on Richards Loop Trail in Sam Houston National Forest. Texas, April 6, 2020
 Orange jelly spot fungus (Dacrymyces chrysospermus) on a fallen pine branch on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, May 31, 2020
 Orange jelly spot fungus (Dacrymyces chrysospermus) emerging from crack of pine bark on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, May 31, 2020
 Two-toned caps of Gymnopus mushrooms on black background on Richards Loop Trail in Sam Houston National Forest. Texas, April 20, 2020
 Bolete mushroom Xanthoconium affine on black background on Richards Loop Trail in Sam Houston National Forest. Texas, September 25, 2020
 Underside of a leaf of May apple (Podophyllum peltatum) with 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 16, 2019
 Gills of oyster mushroom Pleurotus pulmonarius(?) on black background on Richards Loop Trail in Sam Houston National Forest. Texas, September 25, 2020
 Underside of a leaf of May apple (mandrake, Podophyllum peltatum) with brown spores 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
 Bolete mushrooms Pulveroboletus curtisii on black background on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, October 3, 2020
 Bur-like seed capsules with hooks of Canadian black snakeroot (Sanicula canadensis) on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
 Vein-bordered yellow areas on the leaf of May apple (mandrake, Podophyllum peltatum) with 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
 Tiny white disks of ascomycete fungus Phaeohelotium epiphyllum on a leaf in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, April 25, 2020
 Leaves of May apple (Podophyllum peltatum) with yellow spots caused by 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
 Tiny bright orange cups 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
 Young leaf of May apple (Podophyllum peltatum) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, March 1, 2019
 Small waxcap mushrooms Hygrocybe virginea var. ochraceopallida ( Cuphophyllus virgineus)(?) on black background on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 2020
 Black crust fungus Camillea punctulata on a fallen oak on Winters Bayou Trail in Sam Houston National Forest. Cleveland, Texas, August 22, 2020
 Underside of a leaf of violet woodsorrel (Oxalis violacea) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, March 1, 2019
 Candlesnuff fungus (Xylaria hypoxylon) on a log on Richards Loop Trail in Sam Houston National Forest. Texas, April 20, 2020
 Yellow web-like corticioid fungus under a pine(?) log on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 2020
 Texas persimmon (Chapote, Diospyros texana) with black fruits in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, July 29, 2009
 Texture of black crust fungus Camillea punctulata on a fallen oak on Winters Bayou Trail in Sam Houston National Forest. Cleveland, Texas, August 22, 2020
 Black corticioid fungus Camillea punctulata between bark of a fallen oak on Winters Bayou Trail in Sam Houston National Forest. Cleveland, Texas, August 22, 2020
 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
 Details of yellow web-like corticioid fungus under a pine(?) log on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 2020
 Some brown cup Ascomycete fungus on a site of old bonfire on Richards Loop Trail in Sam Houston National Forest. Texas, March 26, 2020
 Some golden dust corticioid fungus under a pine(?) log on Richards Loop Trail in Sam Houston National Forest. Texas, November 5, 2020
 False coral fungus (Tremellodendron schweinitzii) on Richards Loop Trail in Sam Houston National Forest. Texas, April 20, 2020
 Large spot of yellow netted slime mold on a rotten pine log on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 30, 2018
 Cap of black-edged Pluteus mushroom (Pluteus atromarginatus) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 8, 2020
 Beautyberry (Callicarpa americana) in a pine forest on Richards Loop Trail in Sam Houston National Forest. Texas, August 21, 2020
 Forest Service Road 203A at sunrise on Richards Loop Trail in Sam Houston National Forest. Texas, August 21, 2020
 Black fungus Annulohypoxylon annulatum on on a fallen twig on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, August 31, 2019
 Scratched surface of black crust fungus Camillea punctulata on a fallen oak on Winters Bayou Trail in Sam Houston National Forest. Cleveland, Texas, August 22, 2020
 Black corticioid fungus Camillea punctulata scratched by animals on a fallen oak on Winters Bayou Trail in Sam Houston National Forest. Cleveland, Texas, August 22, 2020
 Gulf Coast lemon Amanita mushroom (Amanita levistriata group) on black background on Richards Loop Trail in Sam Houston National Forest. Texas, May 20, 2020
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