![](../../pictures/archives/compress/2020/2830/jpeg/17t.jpg) Close-up of a leaf of sassafras on Richards Loop Trail in Sam Houston National Forest. Texas, December 15, 2020
![](../../pictures/archives/compress/2020/2830/jpeg/15t.jpg) Orange leaf of sassafras on Richards Loop Trail in Sam Houston National Forest. Texas, December 15, 2020
![](../../pictures/archives/compress/2020/2830/jpeg/18t.jpg) Texture of a leaf of sassafras on Richards Loop Trail in Sam Houston National Forest. Texas, December 15, 2020
![](../../pictures/archives/compress/2020/2666/jpeg/20t.jpg) Venation of a sassafras leaf on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
![](../../pictures/archives/compress/2020/2830/jpeg/14t.jpg) Fall foliage of sassafras on Richards Loop Trail in Sam Houston National Forest. Texas, December 15, 2020
![](../../pictures/archives/compress/2012/1100/jpeg/04t.jpg) Red leaf of sassafras at Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, August 19, 2012
![](../../pictures/archives/compress/2020/2666/jpeg/06t.jpg) Young leaves of sassafras on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
![](../../pictures/archives/compress/2023/3366/jpeg/04t.jpg) Leaves of sassafras on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
![](../../pictures/archives/compress/2024/3510/jpeg/05t.jpg) Young leaves of sassafras on Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 2024
![](../../pictures/archives/compress/2020/2704/jpeg/18t.jpg) Oak leaf anthracnose (leaf spot fungus, Dicarpella dryina, Tubakia dryina) on Richards Loop Trail in Sam Houston National Forest. Texas, May 10, 2020
![](../../pictures/archives/compress/2020/2756/jpeg/19t.jpg) 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
![](../../pictures/archives/compress/2020/2704/jpeg/20t.jpg) 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
![](../../pictures/archives/compress/2020/2704/jpeg/19t.jpg) 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
![](../../pictures/archives/compress/2020/2810/jpeg/03t.jpg) Woolly growth (gall) on a dry oak leaf on Richards Loop Trail in Sam Houston National Forest. Texas, November 5, 2020
![](../../pictures/archives/compress/2020/2738/jpeg/07t.jpg) Narrow-leaf gayfeather (Liatris mucronata(?)) on Richards Loop Trail in Sam Houston National Forest. Texas, July 12, 2020
![](../../pictures/archives/compress/2020/2756/jpeg/18t.jpg) 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
![](../../pictures/archives/compress/2020/2738/jpeg/15t.jpg) Flowers of narrow-leaf gayfeather (Liatris mucronata(?)) on Richards Loop Trail in Sam Houston National Forest. Texas, July 12, 2020
![](../../pictures/archives/compress/2018/2393/jpeg/20t.jpg) Sassafras leaf and beautyberry on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville. Texas, November 4, 2018
![](../../pictures/archives/compress/2019/2476/jpeg/23t.jpg) Back lit leaf of sassafras on Lone Star Hiking Trail south from Stubblefield Campground in Sam Houston National Forest. Huntsville, Texas, April 2, 2019
![](../../pictures/archives/compress/2020/2666/jpeg/08t.jpg) Young red lobed leaf of mustang grape (Vitis mustangensis) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
![](../../pictures/archives/compress/2020/2667/jpeg/07t.jpg) Young lobed leaf of mustang grape (Vitis mustangensis) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
![](../../pictures/archives/compress/2020/2697/jpeg/12t.jpg) Hickory leaf with dense cover of Phylloxera galls on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, May 2, 2020
![](../../pictures/archives/compress/2020/2819/jpeg/08t.jpg) Large catalpa-like leaf with pronounced veins on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, November 20, 2020
![](../../pictures/archives/compress/2020/2819/jpeg/05t.jpg) Yellow leaf of passion flower (Passiflora lutea) on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, November 20, 2020
![](../../pictures/archives/compress/2021/3091/jpeg/22t.jpg) Milky false truffle mushroom Zelleromyces cinnabarinus placed on an oak leaf with a gall on Richards Loop Trail in Sam Houston National Forest. Texas, December 28, 2021
![](../../pictures/archives/compress/2020/2810/jpeg/17t.jpg) Texas leaf cutting ant (Atta texana) on a sand mound on Richards Loop Trail in Sam Houston National Forest. Texas, November 5, 2020
![](../../pictures/archives/compress/2020/2810/jpeg/18t.jpg) Texas leaf cutting ants (Atta texana) excavating sand on Richards Loop Trail in Sam Houston National Forest. Texas, November 5, 2020
![](../../pictures/archives/compress/2020/2810/jpeg/19t.jpg) Texas leaf cutting ants (Atta texana) carrying sand bits on Richards Loop Trail in Sam Houston National Forest. Texas, November 5, 2020
![](../../pictures/archives/compress/2020/2756/jpeg/21t.jpg) 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
![](../../pictures/archives/compress/2022/3211/jpeg/10t.jpg) 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 18, 2022
![](../../pictures/archives/compress/2020/2674/jpeg/16t.jpg) 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
![](../../pictures/archives/compress/2020/2830/jpeg/19t.jpg) Yellow leaves of hickory on Richards Loop Trail in Sam Houston National Forest. Texas, December 15, 2020
![](../../pictures/archives/compress/2020/2824/jpeg/07t.jpg) Mushroom Amanita polypyramis on Richards Loop Trail in Sam Houston National Forest. Texas, December 3, 2020
![](../../pictures/archives/compress/2020/2830/jpeg/26t.jpg) Fall colors of sweetgum on Richards Loop Trail in Sam Houston National Forest. Texas, December 15, 2020
![](../../pictures/archives/compress/2020/2835/jpeg/25t.jpg) Yellow web-like corticioid fungus under a pine(?) log on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 2020
![](../../pictures/archives/compress/2020/2824/jpeg/08t.jpg) Cross section of a mushroom Amanita polypyramis on Richards Loop Trail in Sam Houston National Forest. Texas, December 3, 2020
![](../../pictures/archives/compress/2020/2835/jpeg/26t.jpg) Details of yellow web-like corticioid fungus under a pine(?) log on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 2020
![](../../pictures/archives/compress/2020/2830/jpeg/20t.jpg) Pine Spike mushroom (Chroogomphus vinicolor) on Richards Loop Trail in Sam Houston National Forest. Texas, December 15, 2020
![](../../pictures/archives/compress/2020/2838/jpeg/02t.jpg) Mature Hebeloma(?) mushrooms on North Wilderness Loop Trail in Sam Houston National Forest near Richards. Texas, December 27, 2020
![](../../pictures/archives/compress/2020/2838/jpeg/22t.jpg) Poison pie mushrooms (Hebeloma crustuliniforme) in a pine forest on North Wilderness Loop Trail in Sam Houston National Forest near Richards. Texas, December 27, 2020
![](../../pictures/archives/compress/2004/419/jpeg/26t.jpg) Sassafras leaf on Morse Loop Trail in Borderland State Park. North Easton, Massachusetts, October 16, 2004
![](../../pictures/archives/compress/2020/2835/jpeg/31t.jpg) White and orange corticioid (crust) fungus on a pine log on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 2020
![](../../pictures/archives/compress/2020/2824/jpeg/11t.jpg) Mature stinkhorn mushrooms (Phallus impudicus) near a rotting log on Richards Loop Trail in Sam Houston National Forest. Texas, December 3, 2020
![](../../pictures/archives/compress/2020/2835/jpeg/16t.jpg) Some white resupinate polypore mushroom on underside of a pine log on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 2020
![](../../pictures/archives/compress/2020/2835/jpeg/34t.jpg) Light orange corticioid (crust) fungus on a pine log on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 2020
![](../../pictures/archives/compress/2021/3019/jpeg/19t.jpg) Caterpillar munching leaf of an oak on Richards Loop Trail in Sam Houston National Forest. Texas, September 8, 2021
![](../../pictures/archives/compress/2021/2994/jpeg/03t.jpg) Leaf of mustang grape on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
![](../../pictures/archives/compress/2012/1062/jpeg/23t.jpg) Skeletonized leaf in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, May 26, 2012
![](../../pictures/archives/compress/2020/2835/jpeg/14t.jpg) Resupinate polypore mushroom Skeletocutis odora(?) on a cut surface of a pine log on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 2020
![](../../pictures/archives/compress/2020/2835/jpeg/32t.jpg) Close-up of white and orange corticioid (crust) fungus on a pine log on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 2020
![](../../pictures/archives/compress/2020/2838/jpeg/07t.jpg) Bonnet (Mycena) mushrooms on a wet fallen pine on North Wilderness Loop Trail in Sam Houston National Forest near Richards. Texas, December 27, 2020
![](../../pictures/archives/compress/2020/2824/jpeg/06t.jpg) Gills of orange mock oyster mushrooms (Phyllotopsis nidulans) on Richards Loop Trail in Sam Houston National Forest. Texas, December 3, 2020
![](../../pictures/archives/compress/2020/2830/jpeg/21t.jpg) Cross section of Pine Spike mushroom (Chroogomphus vinicolor) on Richards Loop Trail in Sam Houston National Forest. Texas, December 15, 2020
![](../../pictures/archives/compress/2020/2830/jpeg/24t.jpg) Side view of spectacular rustgill mushrooms (Gymnopilus junonius) on Richards Loop Trail in Sam Houston National Forest. Texas, December 15, 2020
![](../../pictures/archives/compress/2020/2838/jpeg/23t.jpg) Underside of poison pie mushrooms (Hebeloma crustuliniforme) on North Wilderness Loop Trail in Sam Houston National Forest near Richards. Texas, December 27, 2020
![](../../pictures/archives/compress/2020/2838/jpeg/09t.jpg) Bonnet (Mycena) mushrooms on a large pine log on North Wilderness Loop Trail in Sam Houston National Forest near Richards. Texas, December 27, 2020
![](../../pictures/archives/compress/2020/2830/jpeg/25t.jpg) Cross section of spectacular rustgill mushrooms (Gymnopilus junonius) on Richards Loop Trail in Sam Houston National Forest. Texas, December 15, 2020
![](../../pictures/archives/compress/2020/2838/jpeg/08t.jpg) Bonnet (Mycena) mushrooms on a mossy pine log on North Wilderness Loop Trail in Sam Houston National Forest near Richards. Texas, December 27, 2020
![](../../pictures/archives/compress/2020/2835/jpeg/29t.jpg) Soft bracket mushrooms (Leptoporus mollis) on a cut surface of a pine log on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 2020
![](../../pictures/archives/compress/2020/2824/jpeg/12t.jpg) Side view of mature stinkhorn mushrooms (Phallus impudicus) on Richards Loop Trail in Sam Houston National Forest. Texas, December 3, 2020
![](../../pictures/archives/compress/2022/3128/jpeg/13t.jpg) Young leaf of mustang grape on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022
![](../../pictures/archives/compress/2022/3128/jpeg/07t.jpg) Reddish leaf of mustang grape on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022
![](../../pictures/archives/compress/2021/2994/jpeg/04t.jpg) Young leaf of mustang grape on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
![](../../pictures/archives/compress/2020/2824/jpeg/04t.jpg) Young orange mock oyster mushrooms (Phyllotopsis nidulans) on a pine log on Richards Loop Trail in Sam Houston National Forest. Texas, December 3, 2020
![](../../pictures/archives/compress/2020/2838/jpeg/11t.jpg) Close-up of bonnet (Mycena) mushrooms on a mossy pine log on North Wilderness Loop Trail in Sam Houston National Forest near Richards. Texas, December 27, 2020
![](../../pictures/archives/compress/2020/2835/jpeg/20t.jpg) Orange resupinate polypore mushroom Fibroporia radiculosa on underside of a pine log on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 2020
![](../../pictures/archives/compress/2020/2830/jpeg/29t.jpg) Common rustgill mushrooms (Gymnopilus penetrans) on rotting pine wood on Richards Loop Trail in Sam Houston National Forest. Texas, December 15, 2020
![](../../pictures/archives/compress/2020/2838/jpeg/10t.jpg) Underside of bonnet (Mycena) mushrooms on a large pine log on North Wilderness Loop Trail in Sam Houston National Forest near Richards. Texas, December 27, 2020
![](../../pictures/archives/compress/2020/2835/jpeg/15t.jpg) Texture of resupinate polypore mushroom Skeletocutis odora(?) on a cut surface of a pine log on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 2020
![](../../pictures/archives/compress/2020/2824/jpeg/01t.jpg) Young brown purplepore bracket mushrooms (Trichaptum fuscoviolaceum) on a pine log on Richards Loop Trail in Sam Houston National Forest. Texas, December 3, 2020
![](../../pictures/archives/compress/2020/2830/jpeg/23t.jpg) Young spectacular rustgill mushrooms (Gymnopilus junonius) on a buried oak(?) root on Richards Loop Trail in Sam Houston National Forest. Texas, December 15, 2020
![](../../pictures/archives/compress/2020/2835/jpeg/13t.jpg) Close-up of resupinate polypore mushroom Skeletocutis odora(?) on a cut surface of a pine log on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 2020
![](../../pictures/archives/compress/2020/2824/jpeg/03t.jpg) Underside of brown purplepore bracket mushrooms (Trichaptum fuscoviolaceum) on a pine log on Richards Loop Trail in Sam Houston National Forest. Texas, December 3, 2020
![](../../pictures/archives/compress/2020/2835/jpeg/09t.jpg) White resupinate polypore mushroom with small pores on underside of a pine log on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 2020
![](../../pictures/archives/compress/2020/2835/jpeg/23t.jpg) Texture of resupinate polypore mushroom Fibroporia radiculosa under a rotting pine log on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 2020
![](../../pictures/archives/compress/2020/2835/jpeg/33t.jpg) White corticioid (crust) fungus on a pine log turning orange in several spots on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 2020
![](../../pictures/archives/compress/2020/2838/jpeg/24t.jpg) Side view of poison pie mushrooms (Hebeloma crustuliniforme) on North Wilderness Loop Trail in Sam Houston National Forest near Richards. Texas, December 27, 2020
![](../../pictures/archives/compress/2019/2446/jpeg/14t.jpg) Speckled shield lichen (Punctelia) on a tree on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, February 9, 2019
![](../../pictures/archives/compress/2019/2446/jpeg/25t.jpg) Speckled shield lichen (Punctelia) on a pine on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, February 9, 2019
![](../../pictures/archives/compress/2024/3502/jpeg/15t.jpg) Back lit Phylloxera galls on a hickory leaf on Richards Loop Trail in Sam Houston National Forest. Texas, March 30, 2024
![](../../pictures/archives/compress/2021/2994/jpeg/16t.jpg) Narrow-leaf gayfeather (Liatris mucronata(?)) on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
![](../../pictures/archives/compress/2023/3410/jpeg/13t.jpg) Narrow-leaf gayfeather (Liatris mucronata(?)) on Richards Loop Trail in Sam Houston National Forest. Texas, July 23, 2023
![](../../pictures/archives/compress/2021/3001/jpeg/19t.jpg) Narrow-leaf gayfeather (Liatris mucronata(?)) on Richards Loop Trail in Sam Houston National Forest. Texas, August 7, 2021
![](../../pictures/archives/compress/2021/2994/jpeg/27t.jpg) Green lynx spider on a leaf of greenbrier on Richards Loop Trail in Sam Houston National Forest. Texas, July 29, 2021
![](../../pictures/archives/compress/2021/3008/jpeg/12t.jpg) Narrow-leaf gayfeather (Liatris mucronata(?)) on Richards Loop Trail in Sam Houston National Forest. Texas, August 15, 2021
![](../../pictures/archives/compress/2024/3637/jpeg/06t.jpg) Leaf of an aquatic plant in ultraviolet light from Richards Loop Trail in Sam Houston National Forest. Texas, October 27, 2024
![](../../pictures/archives/compress/2020/2835/jpeg/27t.jpg) Young pinewood gingertail mushrooms (Xeromphalina campanella) on a side of a rotting pine log on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 2020
![](../../pictures/archives/compress/2020/2837/jpeg/26t.jpg) Overlapping crust mushrooms Stereum subtomentosum on a fallen oak near a creek on North Wilderness Loop Trail in Sam Houston National Forest near Richards. Texas, December 27, 2020
![](../../pictures/archives/compress/2020/2835/jpeg/30t.jpg) Mature soft bracket polypore mushrooms Leptoporus mollis on a cut surface of a pine log on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 2020
![](../../pictures/archives/compress/2020/2824/jpeg/02t.jpg) Close-up of young brown purplepore bracket mushrooms (Trichaptum fuscoviolaceum) on a pine log on Richards Loop Trail in Sam Houston National Forest. Texas, December 3, 2020
![](../../pictures/archives/compress/2020/2835/jpeg/28t.jpg) Immature pinewood gingertail mushrooms (Xeromphalina campanella) on rotting pine wood on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 2020
![](../../pictures/archives/compress/2020/2835/jpeg/17t.jpg) Warped pink crust (corticioid) fungus Serpula himantioides(?) on underside of a pine log on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 2020
![](../../pictures/archives/compress/2020/2835/jpeg/21t.jpg) Soft orange resupinate polypore mushroom Fibroporia radiculosa on a rotting pine log on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 2020
![](../../pictures/archives/compress/2020/2838/jpeg/04t.jpg) Guttation of pink resupinate polypore mushroom under a fallen oak(?) branch on North Wilderness Loop Trail in Sam Houston National Forest near Richards. Texas, December 27, 2020
![](../../pictures/archives/compress/2020/2837/jpeg/12t.jpg) Woolly oyster mushrooms (Hohenbuehelia mastrucata) on underside of a fallen oak on North Wilderness Loop Trail in Sam Houston National Forest near Richards. Texas, December 27, 2020
![](../../pictures/archives/compress/2020/2835/jpeg/24t.jpg) Orange pores of soft resupinate mushroom Fibroporia radiculosa on a rotting pine log on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 2020
![](../../pictures/archives/compress/2020/2837/jpeg/08t.jpg) Gills of woolly oyster mushrooms (Hohenbuehelia mastrucata) on a fallen oak on North Wilderness Loop Trail in Sam Houston National Forest near Richards. Texas, December 27, 2020
![](../../pictures/archives/compress/2020/2835/jpeg/10t.jpg) Margin of white resupinate polypore mushroom with small pores on underside of a pine log on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 2020
![](../../pictures/archives/compress/2020/2835/jpeg/19t.jpg) Close-up of orange resupinate polypore mushroom Fibroporia radiculosa on underside of a pine log on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 2020
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