![](../../pictures/archives/compress/2019/2567/jpeg/13t.jpg) Mature velvet-top fungus (Phaeolus schweinitzii)(?) near a pine on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 21, 2019
![](../../pictures/archives/compress/2013/1289/jpeg/24t.jpg) Mature velvet-top fungus (Phaeolus schweinitzii mushroom) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 19, 2013
![](../../pictures/archives/compress/2013/1282/jpeg/07t.jpg) Young velvet-top fungus (Phaeolus schweinitzii mushroom) in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 28, 2013
![](../../pictures/archives/compress/2020/2787/jpeg/16t.jpg) Velvet-top fungus (Phaeolus schweinitzii together with bolete Buchwaldoboletus lignicola near a pine stump on Richards Loop Trail in Sam Houston National Forest. Texas, September 25, 2020
![](../../pictures/archives/compress/2013/1289/jpeg/23t.jpg) Velvet-top fungus (Phaeolus schweinitzii mushrooms) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 19, 2013
![](../../pictures/archives/compress/2013/1289/jpeg/05t.jpg) Young velvet-top fungus (Phaeolus schweinitzii mushroom) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 19, 2013
![](../../pictures/archives/compress/2020/2772/jpeg/03t.jpg) Mature Velvet-top fungus (Phaeolus schweinitzii) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, September 12, 2020
![](../../pictures/archives/compress/2020/2787/jpeg/17t.jpg) Velvet-top fungus (Phaeolus schweinitzii and underside of a bolete Buchwaldoboletus lignicola on Richards Loop Trail in Sam Houston National Forest. Texas, September 25, 2020
![](../../pictures/archives/compress/2019/2581/jpeg/15t.jpg) Velvet-top fungus (Phaeolus schweinitzii) near a pine in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, October 20, 2019
![](../../pictures/archives/compress/2019/2581/jpeg/16t.jpg) 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
![](../../pictures/archives/compress/2019/2537/jpeg/05t.jpg) 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
![](../../pictures/archives/compress/2018/2388/jpeg/19t.jpg) Mature velvet-top fungus (Phaeolus schweinitzii) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, October 28, 2018
![](../../pictures/archives/compress/2020/2797/jpeg/24t.jpg) Velvet-top fungus (Phaeolus schweinitzii) enveloping needles and twigs on North Wilderness Loop Trail in Sam Houston National Forest near Richards. Texas, October 8, 2020
![](../../pictures/archives/compress/2013/1282/jpeg/18t.jpg) Emerging velvet-top fungus (Phaeolus schweinitzii mushroom) Forest Service Road 203 in Sam Houston National Forest. Richards, Texas, September 28, 2013
![](../../pictures/archives/compress/2019/2578/jpeg/20t.jpg) Cap of velvet-top fungus (Phaeolus schweinitzii) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, October 20, 2019
![](../../pictures/archives/compress/2019/2578/jpeg/19t.jpg) Velvet-top fungus (Phaeolus schweinitzii) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, October 20, 2019
![](../../pictures/archives/compress/2022/3220/jpeg/12t.jpg) Mature dyer s mazegill mushrooms (Phaeolus schweinitzii) near a pine on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, August 28, 2022
![](../../pictures/archives/compress/2019/2578/jpeg/22t.jpg) Dissected velvet-top fungus (Phaeolus schweinitzii) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, October 20, 2019
![](../../pictures/archives/compress/2019/2537/jpeg/06t.jpg) Underside of velvet-top fungus (Phaeolus schweinitzii) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, June 26, 2019
![](../../pictures/archives/compress/2019/2578/jpeg/21t.jpg) Underside of velvet-top fungus (Phaeolus schweinitzii) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, October 20, 2019
![](../../pictures/archives/compress/2020/2797/jpeg/25t.jpg) Velvet cap surface of dyer s mazegill mushrooms (Phaeolus schweinitzii) on North Wilderness Loop Trail in Sam Houston National Forest near Richards. Texas, October 8, 2020
![](../../pictures/archives/compress/2020/2797/jpeg/23t.jpg) Velvet caps of dyer s mazegill mushrooms (Phaeolus schweinitzii) on North Wilderness Loop Trail in Sam Houston National Forest near Richards. Texas, October 8, 2020
![](../../pictures/archives/compress/2022/3233/jpeg/10t.jpg) Large Dyer s mazegill mushroom (Phaeolus schweinitzii) near a pine on Richards Loop Trail in Sam Houston National Forest. Texas, September 7, 2022
![](../../pictures/archives/compress/2024/3470/jpeg/01t.jpg) Mature dyer s mazegill mushrooms (Phaeolus schweinitzii) on Richards Loop Trail in Sam Houston National Forest. Texas, February 9, 2024
![](../../pictures/archives/compress/2022/3233/jpeg/20t.jpg) Young mushrooms Phaeolus schweinitzii together with Amanita canescens at the base of a pine on Richards Loop Trail in Sam Houston National Forest. Texas, September 7, 2022
![](../../pictures/archives/compress/2022/3233/jpeg/22t.jpg) Emerging young Dyer s mazegill mushrooms (Phaeolus schweinitzii) from the base of a pine on Richards Loop Trail in Sam Houston National Forest. Texas, September 7, 2022
![](../../pictures/archives/compress/2019/2542/jpeg/02t.jpg) False coral fungus (Tremellodendron schweinitzii, Sebacina schweinitzii) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 29, 2019
![](../../pictures/archives/compress/2020/2691/jpeg/10t.jpg) Velvet-top fungus (Phaeolus schweinitzii) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, April 23, 2020
![](../../pictures/archives/compress/2021/3045/jpeg/09t.jpg) Mature dyer s mazegill mushroom (Phaeolus schweinitzii) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, October 21, 2021
![](../../pictures/archives/compress/2020/2762/jpeg/03t.jpg) Cap of velvet-top fungus (Phaeolus schweinitzii mushroom) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, August 30, 2020
![](../../pictures/archives/compress/2020/2762/jpeg/02t.jpg) Velvet-top fungus (Phaeolus schweinitzii mushroom) under pines on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, August 30, 2020
![](../../pictures/archives/compress/2018/2380/jpeg/23t.jpg) Velvet-top fungus (Phaeolus schweinitzii) on Lone Star Hiking Trail south from Stubblefield Campground in Sam Houston National Forest. Huntsville, Texas, October 13, 2018
![](../../pictures/archives/compress/2018/2380/jpeg/24t.jpg) Dissected velvet-top fungus (Phaeolus schweinitzii) on Lone Star Hiking Trail south from Stubblefield Campground in Sam Houston National Forest. Huntsville, Texas, October 13, 2018
![](../../pictures/archives/compress/2020/2691/jpeg/11t.jpg) Velvet-top fungus (Phaeolus schweinitzii) in cross section on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, April 23, 2020
![](../../pictures/archives/compress/2022/3248/jpeg/10t.jpg) Dyer s mazegill mushroom (Phaeolus schweinitzii) on Richards Loop Trail in Sam Houston National Forest. Texas, September 21, 2022
![](../../pictures/archives/compress/2022/3233/jpeg/11t.jpg) Caps of Dyer s mazegill mushroom (Phaeolus schweinitzii) on Richards Loop Trail in Sam Houston National Forest. Texas, September 7, 2022
![](../../pictures/archives/compress/2021/3034/jpeg/24t.jpg) Dyer s mazegill mushrooms (Phaeolus schweinitzii) near a dry pine tree on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, October 6, 2021
![](../../pictures/archives/compress/2018/2400/jpeg/01t.jpg) False coral fungus (Tremellodendron schweinitzii, Sebacina schweinitzii) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, November 11, 2018
![](../../pictures/archives/compress/2022/3233/jpeg/12t.jpg) Large Dyer s mazegill mushroom (Phaeolus schweinitzii) near a sandy path on Richards Loop Trail in Sam Houston National Forest. Texas, September 7, 2022
![](../../pictures/archives/compress/2023/3415/jpeg/12t.jpg) Immature dyer s mazegill mushroom (Phaeolus schweinitzii) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, September 10, 2023
![](../../pictures/archives/compress/2023/3415/jpeg/11t.jpg) Young dyer s mazegill mushrooms (Phaeolus schweinitzii) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, September 10, 2023
![](../../pictures/archives/compress/2019/2567/jpeg/05t.jpg) Brown corticioid fungus under a log in a pine forest on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 21, 2019
![](../../pictures/archives/compress/2019/2567/jpeg/19t.jpg) Elastic fungus Wrightoporia avellanea or may be W. austrosinensis on a rotten pine log on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 21, 2019
![](../../pictures/archives/compress/2021/3038/jpeg/05t.jpg) Dyer s mazegill mushroom (Phaeolus schweinitzii) under pines on Richards Loop Trail in Sam Houston National Forest. Texas, October 13, 2021
![](../../pictures/archives/compress/2022/3264/jpeg/01t.jpg) Young dyer s mazegill mushroom (Phaeolus schweinitzii) on Richards Loop Trail in Sam Houston National Forest. Texas, October 29, 2022
![](../../pictures/archives/compress/2019/2554/jpeg/17t.jpg) False coral fungus (Tremellodendron schweinitzii, Sebacina schweinitzii) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, July 20, 2019
![](../../pictures/archives/compress/2019/2567/jpeg/20t.jpg) Texture of elastic fungus Wrightoporia avellanea or may be W. austrosinensis on a rotten pine log on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 21, 2019
![](../../pictures/archives/compress/2020/2797/jpeg/06t.jpg) Dyer s mazegill mushrooms (Phaeolus schweinitzii) on North Wilderness Loop Trail in Sam Houston National Forest near Richards. Texas, October 8, 2020
![](../../pictures/archives/compress/2019/2567/jpeg/03t.jpg) Mold like fungus Chromelosporium carneum on underside of a half burnt carbonized pine log on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 21, 2019
![](../../pictures/archives/compress/2019/2567/jpeg/02t.jpg) Mold like fungus Chromelosporium carneum on lower surface of a half burnt pine log on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 21, 2019
![](../../pictures/archives/compress/2021/3038/jpeg/06t.jpg) Velvety cap texture of dyer s mazegill mushroom (Phaeolus schweinitzii) under pines on Richards Loop Trail in Sam Houston National Forest. Texas, October 13, 2021
![](../../pictures/archives/compress/2020/2719/jpeg/09t.jpg) Dyer s mazegill mushroom (Phaeolus schweinitzii) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, May 31, 2020
![](../../pictures/archives/compress/2021/3011/jpeg/33t.jpg) Dyer s mazegill mushroom (Phaeolus schweinitzii) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, August 22, 2021
![](../../pictures/archives/compress/2020/2690/jpeg/22t.jpg) False coral fungus (Tremellodendron schweinitzii, Sebacina schweinitzii) on Richards Loop Trail in Sam Houston National Forest. Texas, April 20, 2020
![](../../pictures/archives/compress/2022/3239/jpeg/05t.jpg) Dyer s mazegill mushroom (Phaeolus schweinitzii) under a pine collected on Stubblefield section of Lone Star hiking trail in Sam Houston National Forest. Texas, September 11, 2022
![](../../pictures/archives/compress/2022/3210/jpeg/13t.jpg) Top view of dyer s mazegill mushroom (Phaeolus schweinitzii) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, August 14, 2022
![](../../pictures/archives/compress/2022/3205/jpeg/25t.jpg) Close-up of dyer s mazegill mushroom (Phaeolus schweinitzii) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, August 6, 2022
![](../../pictures/archives/compress/2022/3205/jpeg/23t.jpg) Top view of dyer s mazegill mushroom (Phaeolus schweinitzii) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, August 6, 2022
![](../../pictures/archives/compress/2021/3011/jpeg/34t.jpg) Margin of Dyer s mazegill mushroom (Phaeolus schweinitzii) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, August 22, 2021
![](../../pictures/archives/compress/2021/3011/jpeg/35t.jpg) Underside of Dyer s mazegill mushroom (Phaeolus schweinitzii) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, August 22, 2021
![](../../pictures/archives/compress/2022/3205/jpeg/24t.jpg) Young dyer s mazegill mushroom (Phaeolus schweinitzii) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, August 6, 2022
![](../../pictures/archives/compress/2018/2383/jpeg/01t.jpg) Mushrooms Sebacina schweinitzii (Tremellodendron schweinitzii)(?) growing between grass stems on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 20, 2018
![](../../pictures/archives/compress/2021/3011/jpeg/38t.jpg) Cross section of Dyer s mazegill mushroom (Phaeolus schweinitzii) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, August 22, 2021
![](../../pictures/archives/compress/2021/3011/jpeg/36t.jpg) Pore surface of Dyer s mazegill mushroom (Phaeolus schweinitzii) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, August 22, 2021
![](../../pictures/archives/compress/2019/2567/jpeg/12t.jpg) Corticioid fungus Leucogyrophana olivascens (Penttilamyces olivascens, or Serpula, Coniophora) and another corticioid fungus on underside of a pine log on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 21, 2019
![](../../pictures/archives/compress/2021/3011/jpeg/37t.jpg) Pore surface with its margin of Dyer s mazegill mushroom (Phaeolus schweinitzii) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, August 22, 2021
![](../../pictures/archives/compress/2020/2690/jpeg/21t.jpg) Upper view of false coral fungus (Tremellodendron schweinitzii, Sebacina schweinitzii) on Richards Loop Trail in Sam Houston National Forest. Texas, April 20, 2020
![](../../pictures/archives/compress/2019/2567/jpeg/10t.jpg) Corticioid fungus Leucogyrophana olivascens (Penttilamyces olivascens, or Serpula, Coniophora) on underside of a pine log on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 21, 2019
![](../../pictures/archives/compress/2018/2270/jpeg/14t.jpg) False coral fungus (Tremellodendron schweinitzii, Sebacina schweinitzii) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, May 26, 2018
![](../../pictures/archives/compress/2019/2522/jpeg/08t.jpg) False coral mushrooms (Tremellodendron schweinitzii, Sebacina schweinitzii) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, June 7, 2019
![](../../pictures/archives/compress/2019/2567/jpeg/11t.jpg) Pattern of corticioid fungus Leucogyrophana olivascens (Penttilamyces olivascens, or Serpula, Coniophora) on underside of a pine log on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 21, 2019
![](../../pictures/archives/compress/2018/2270/jpeg/15t.jpg) Upper view of false coral fungus (Tremellodendron schweinitzii, Sebacina schweinitzii) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, May 26, 2018
![](../../pictures/archives/compress/2018/2337/jpeg/38t.jpg) Velvet-top fungus (Phaeolus schweinitzii mushroom) near a sole larch tree in a forest in Tarkhovka near Sestroretsk, west from Saint Petersburg. Russia, August 27, 2018
![](../../pictures/archives/compress/2023/3446/jpeg/13t.jpg) Spores of Ascomycete fungus Trichoderma citrinoviride (Hypocrea schweinitzii) from a fallen pine, collected a day before on Richards Loop Trail in Sam Houston National Forest. Texas, December 18, 2023
![](../../pictures/archives/compress/2023/3445/jpeg/23t.jpg) Some tissues of Ascomycete fungus Trichoderma citrinoviride (Hypocrea schweinitzii) from a fallen pine, collected on Richards Loop Trail in Sam Houston National Forest. Texas, December 17, 2023
![](../../pictures/archives/compress/2020/2643/jpeg/06t.jpg) Velvet brown caps of bracket polypore mushroom Inonotus on a small osage orange tree in a pine forest on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, February 8, 2020
![](../../pictures/archives/compress/2024/3462/jpeg/02t.jpg) Tiny black Ascomycete fungus Trichoderma citrinoviride (Hypocrea schweinitzii) on a fallen pine without bark on Richards Loop Trail in Sam Houston National Forest. Texas, January 27, 2024
![](../../pictures/archives/compress/2023/3445/jpeg/25t.jpg) Asci and paraphyses of Ascomycete fungus Trichoderma citrinoviride (Hypocrea schweinitzii) from a fallen pine, collected on Richards Loop Trail in Sam Houston National Forest. Texas, December 17, 2023
![](../../pictures/archives/compress/2019/2567/jpeg/08t.jpg) Brown corticioid fungus under a log on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 21, 2019
![](../../pictures/archives/compress/2023/3445/jpeg/02t.jpg) Tiny black buttons of Ascomycete fungus Trichoderma citrinoviride (Hypocrea schweinitzii) on a fallen pine without bark on Richards Loop Trail in Sam Houston National Forest. Texas, December 17, 2023
![](../../pictures/archives/compress/2024/3462/jpeg/06t.jpg) Habitat of tiny black Ascomycete fungus Trichoderma citrinoviride (Hypocrea schweinitzii) on a thick fallen pine on Richards Loop Trail in Sam Houston National Forest. Texas, January 27, 2024
![](../../pictures/archives/compress/2024/3462/jpeg/01t.jpg) Close-up of tiny black Ascomycete fungus Trichoderma citrinoviride (Hypocrea schweinitzii) on a fallen pine without bark on Richards Loop Trail in Sam Houston National Forest. Texas, January 27, 2024
![](../../pictures/archives/compress/2024/3462/jpeg/05t.jpg) Growth pattern of tiny black Ascomycete fungus Trichoderma citrinoviride (Hypocrea schweinitzii) on a fallen pine on Richards Loop Trail in Sam Houston National Forest. Texas, January 27, 2024
![](../../pictures/archives/compress/2023/3445/jpeg/20t.jpg) Asci with spores (in lugol) of Ascomycete fungus Trichoderma citrinoviride (Hypocrea schweinitzii) from a fallen pine, collected on Richards Loop Trail in Sam Houston National Forest. Texas, December 17, 2023
![](../../pictures/archives/compress/2024/3462/jpeg/03t.jpg) Black Ascomycete fungus Trichoderma citrinoviride (Hypocrea schweinitzii) growing together with Trichaptum on a fallen pine without bark on Richards Loop Trail in Sam Houston National Forest. Texas, January 27, 2024
![](../../pictures/archives/compress/2023/3445/jpeg/22t.jpg) Asci with spores (in Congo Red) of Ascomycete fungus Trichoderma citrinoviride (Hypocrea schweinitzii) from a fallen pine, collected on Richards Loop Trail in Sam Houston National Forest. Texas, December 17, 2023
![](../../pictures/archives/compress/2019/2617/jpeg/03t.jpg) Corticioid fungus growing on soil attached to underside of a fallen pine on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, December 24, 2019
![](../../pictures/archives/compress/2019/2567/jpeg/17t.jpg) Yellow hydnoid (tooth) mushroom on underside of a pine(?) log on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 21, 2019
![](../../pictures/archives/compress/2018/2370/jpeg/14t.jpg) Crust fungus Trichaptum fuscoviolaceum on a fallen pine on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 30, 2018
![](../../pictures/archives/compress/2019/2567/jpeg/07t.jpg) Brown corticioid fungus on an upturned log on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 21, 2019
![](../../pictures/archives/compress/2023/3445/jpeg/05t.jpg) Tiny black buttons of Ascomycete fungus Trichoderma citrinoviride (Hypocrea schweinitzii) on a fallen pine without bark at sunrise on Richards Loop Trail in Sam Houston National Forest. Texas, December 17, 2023
![](../../pictures/archives/compress/2023/3445/jpeg/04t.jpg) Texture of tiny black buttons of Ascomycete fungus Trichoderma citrinoviride (Hypocrea schweinitzii) on a fallen pine without bark on Richards Loop Trail in Sam Houston National Forest. Texas, December 17, 2023
![](../../pictures/archives/compress/2023/3445/jpeg/19t.jpg) Asci with spores (in lugol at low magnification) of Ascomycete fungus Trichoderma citrinoviride (Hypocrea schweinitzii) from a fallen pine, collected on Richards Loop Trail in Sam Houston National Forest. Texas, December 17, 2023
![](../../pictures/archives/compress/2023/3445/jpeg/03t.jpg) Close-up of tiny black buttons of Ascomycete fungus Trichoderma citrinoviride (Hypocrea schweinitzii) on a fallen pine without bark on Richards Loop Trail in Sam Houston National Forest. Texas, December 17, 2023
![](../../pictures/archives/compress/2024/3462/jpeg/04t.jpg) Close-up of black Ascomycete fungus Trichoderma citrinoviride (Hypocrea schweinitzii) growing together with Trichaptum on a fallen pine without bark on Richards Loop Trail in Sam Houston National Forest. Texas, January 27, 2024
![](../../pictures/archives/compress/2023/3445/jpeg/21t.jpg) Asci with spores (in Congo Red at low magnification) of Ascomycete fungus Trichoderma citrinoviride (Hypocrea schweinitzii) from a fallen pine, collected on Richards Loop Trail in Sam Houston National Forest. Texas, December 17, 2023
![](../../pictures/archives/compress/2023/3445/jpeg/24t.jpg) Round spores inside asci of Ascomycete fungus Trichoderma citrinoviride (Hypocrea schweinitzii) from a fallen pine, collected on Richards Loop Trail in Sam Houston National Forest. Texas, December 17, 2023
![](../../pictures/archives/compress/2023/3445/jpeg/01t.jpg) Tiny black Ascomycete fungus Trichoderma citrinoviride (Hypocrea schweinitzii) on a fallen pine without bark with whitish wood on Richards Loop Trail in Sam Houston National Forest. Texas, December 17, 2023
![](../../pictures/archives/compress/2019/2617/jpeg/04t.jpg) Some yellow crust fungus growing on soil attached to underside of a fallen pine on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, December 24, 2019
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