 Some brown bitter bolete (Tylopilus) mushrooms on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, July 15, 2018
 Some brown bitter bolete mushrooms (Tylopilus) on floodplain on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, July 15, 2018
 Brown bolete mushroom Tylopilus (taste not bitter, may be sweet) on Richards Loop Trail in Sam Houston National Forest. Texas, September 21, 2022
 Bitter bolete mushroom Tylopilus plumbeoviolaceus on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, July 13, 2018
 Cap of a bitter bolete mushroom Tylopilus williamsii on Richards Loop Trail in Sam Houston National Forest. Texas, October 13, 2021
 Brown, not bitter Tylopilus mushrooms with large pores on Richards Loop Trail in Sam Houston National Forest. Texas, September 7, 2022
 Underside of a bitter bolete mushroom Tylopilus williamsii on Richards Loop Trail in Sam Houston National Forest. Texas, October 13, 2021
 Bitter bolete mushroom (Tylopilus) on Forest Road 203 on Richards Loop Trail in Sam Houston National Forest. Texas, August 28, 2021
 Underside of bitter bolete mushroom (Tylopilus) on Forest Road 203 on Richards Loop Trail in Sam Houston National Forest. Texas, August 28, 2021
 Cross section of a bitter bolete mushroom Tylopilus williamsii on Richards Loop Trail in Sam Houston National Forest. Texas, October 13, 2021
 Texture of pores of bitter bolete mushroom (Tylopilus) on Forest Road 203 on Richards Loop Trail in Sam Houston National Forest. Texas, August 28, 2021
 Pore surface of bitter bolete mushroom (Tylopilus) on Forest Road 203 on Richards Loop Trail in Sam Houston National Forest. Texas, August 28, 2021
 Cross section of bitter bolete mushroom (Tylopilus) on Forest Road 203 on Richards Loop Trail in Sam Houston National Forest. Texas, August 28, 2021
 Bitter bolete mushrooms Tylopilus rubrobrunneus on Road FS 231 near Pole Creek of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, September 26, 2024
 Section of bitter bolete mushrooms Tylopilus rubrobrunneus on Road FS 231 near Pole Creek of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, September 26, 2024
 Bitter bolete mushrooms Tylopilus plumbeoviolaceus in a pine forest on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, June 30, 2018
 Pores of a brown, not bitter Tylopilus mushroom on Richards Loop Trail in Sam Houston National Forest. Texas, September 7, 2022
 Underside of a brown, not bitter Tylopilus mushroom on Richards Loop Trail in Sam Houston National Forest. Texas, September 7, 2022
 Bitter bolete mushrooms Tylopilus williamsii in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, July 14, 2018
 Bitter bolete mushroom Porphyrellus sordidus (Tylopilus sordidus) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, September 22, 2018
 Large pores of a brown, not bitter Tylopilus mushroom on Richards Loop Trail in Sam Houston National Forest. Texas, September 7, 2022
 Cross section of a brown, not bitter Tylopilus mushroom on Richards Loop Trail in Sam Houston National Forest. Texas, September 7, 2022
 Bolete mushrooms Xanthoconium on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 23, 2018
 Dissected bolete mushrooms Xanthoconium on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 23, 2018
 Violet-gray bolete mushrooms Tylopilus plumbeoviolaceus on Richards Loop Trail in Sam Houston National Forest. Texas, September 7, 2022
 Dissected bitter bolete mushrooms Porphyrellus sordidus (Tylopilus sordidus) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, July 15, 2018
 Mature bitter bolete mushrooms Porphyrellus sordidus (Tylopilus sordidus) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, July 15, 2018
 Bitter violet-grey bolete mushrooms Tylopilus plumbeoviolaceus in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, September 12, 2020
 Underside of violet-gray bolete mushrooms Tylopilus plumbeoviolaceus on Richards Loop Trail in Sam Houston National Forest. Texas, September 7, 2022
 Cap of bitter bolete mushroom Tylopilus rubrobrunneus on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, July 15, 2018
 Bitter bolete mushroom Tylopilus rubrobrunneus on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, July 13, 2018
 Dark grey bolete mushrooms Tylopilus griseocarneus on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, July 21, 2018
 Orange pore bolete mushrooms Boletus flammans on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 23, 2018
 Pores of dark grey bolete mushrooms Tylopilus griseocarneus on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, July 21, 2018
 Side view of violet-gray bolete mushrooms Tylopilus plumbeoviolaceus on Richards Loop Trail in Sam Houston National Forest. Texas, September 7, 2022
 Dissected bitter bolete mushroom Tylopilus rubrobrunneus on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, July 15, 2018
 Underside of bitter bolete mushroom Tylopilus rubrobrunneus on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, July 15, 2018
 Group of copper colored bolete mushrooms Boletus flammans on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 23, 2018
 Dissected orange pore bolete mushrooms Boletus flammans on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 23, 2018
 Side view of dark grey bolete mushrooms Tylopilus griseocarneus on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, July 21, 2018
 Cross section of dark grey bolete mushrooms Tylopilus griseocarneus on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, July 21, 2018
 Cross section of bitter violet-grey bolete mushrooms Tylopilus plumbeoviolaceus in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, September 12, 2020
 Spores of bolete mushrooms Tylopilus plumbeoviolaceus (spore print violet) collected on Richards Loop Trail in Sam Houston National Forest. Texas, September 7, 2022
 Side view of a bitter bolete mushroom Tylopilus rubrobrunneus on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, July 13, 2018
 Spores (in KOH) of bitter bolete mushrooms Tylopilus rubrobrunneus collected from Sam Houston National Forest north from Montgomery. Texas, September 26, 2024
 Blackening cross section (after two minutes) of dark grey bolete mushrooms Tylopilus griseocarneus on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, July 21, 2018
 Bitter bolete (Tylopilus) mushrooms in Lick Creek Park. College Station, Texas, September 21, 2018
 Bitter bolete (Tylopilus) mushrooms in Lick Creek Park. College Station, Texas, September 18, 2018
 Spores of a brown, not bitter Tylopilus mushroom (spore print light brown-violet) collected on Richards Loop Trail in Sam Houston National Forest. Texas, September 7, 2022
 Porphyrellus sordidus (Tylopilus sordidus) or may be Leccinellum bolete mushrooms on floodplain on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, June 30, 2018
 Cross section of a bitter bolete mushroom Tylopilus rubrobrunneus on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, July 13, 2018
 Dissected Porphyrellus sordidus (Tylopilus sordidus) or may be Leccinellum bolete mushrooms on floodplain on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, June 30, 2018
 Cap of tobacco stain bolete mushroom (Tylopilus atronicotianus(?)) on Richards Loop Trail in Sam Houston National Forest. Texas, September 25, 2020
 Cap of bolete mushroom Tylopilus rhodoconius on floodplain on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, July 15, 2018
 Underside of a bolete mushroom Suillus hirtellus on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 23, 2018
 Dissected red bolete mushroom Boletus flammans on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 23, 2018
 Mature together with young burnt orange bolete mushrooms (Rubinoboletus balloui, Tylopilus balloui, Gyroporus ballouii) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, June 9, 2018
 Dissected bolete mushroom Tylopilus rhodoconius on floodplain on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, July 15, 2018
 Underside of bolete mushroom Tylopilus rhodoconius on floodplain on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, July 15, 2018
 Some large brown-cap bolete mushroom in a pine forest on a path on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 30, 2018
 Underside of tobacco stain bolete mushroom (Tylopilus atronicotianus(?)) on Richards Loop Trail in Sam Houston National Forest. Texas, September 25, 2020
 Side view of bolete mushroom Tylopilus rhodoconius on floodplain on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, July 15, 2018
 Side view of some large brown-cap bolete mushroom on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 30, 2018
 Underside of a copper bolete mushroom Boletus flammans on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 23, 2018
 Copper colored bolete mushroom Boletus flammans on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 23, 2018
 Bolete mushroom Tylopilus rhodoconius on floodplain on a sandy terrace above the creek on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, July 15, 2018
 Cross section of tobacco stain bolete mushroom (Tylopilus atronicotianus(?)) on Richards Loop Trail in Sam Houston National Forest. Texas, September 25, 2020
 Pale violet bitter bolete mushrooms (Tylopilus) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, July 10, 2021
 Little bitter bolete mushrooms (Tylopilus minor) in an oak forest in Lick Creek Park. College Station, Texas, June 10, 2018
 Dissected copper colored bolete mushroom Boletus flammans on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 23, 2018
 Spores of brown bolete mushroom Tylopilus (taste not bitter), collected in Sam Houston National Forest. Texas, September 21, 2022
 Young bolete mushroom Tylopilus griseocarneus on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, September 14, 2022
 Bolete mushrooms Tylopilus williamsii on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, September 15, 2018
 Underside of bolete mushrooms Tylopilus on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, October 3, 2020
 Spores of brown bolete mushrooms Tylopilus appalachiensis(?) collected on Richards Loop Trail in Sam Houston National Forest. Texas, May 1, 2024
 Caps of bolete mushrooms Tylopilus on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, October 3, 2020
 Underside of brown bolete mushrooms Tylopilus appalachiensis(?) on Road FS 203 near Richards Loop Trail in Sam Houston National Forest. Texas, May 1, 2024
 Large angular pores of tobacco stain bolete mushroom (Tylopilus atronicotianus(?)) on Richards Loop Trail in Sam Houston National Forest. Texas, September 25, 2020
 Dissected little bitter bolete mushrooms (Tylopilus minor) in an oak forest in Lick Creek Park. College Station, Texas, June 10, 2018
 Pore surface of a copper colored bolete mushroom Boletus flammans on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 23, 2018
 Cross section of brown bolete mushrooms Tylopilus appalachiensis(?) on Road FS 203 near Richards Loop Trail in Sam Houston National Forest. Texas, May 1, 2024
 Cross section of bolete mushrooms Tylopilus on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, October 3, 2020
 Close-up of a young bolete mushroom Tylopilus griseocarneus with Hypomyces on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, September 14, 2022
 Bolete mushrooms Boletus flammans in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 28, 2013
 Cross section of a young bolete mushroom Tylopilus griseocarneus with Hypomyces on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, September 14, 2022
 Caps of bitter bolete mushrooms Tylopilus rubrobrunneus on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, July 31, 2020
 Bitter bolete mushrooms Tylopilus rubrobrunneus under pines on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, July 31, 2020
 Dissected bitter bolete mushrooms Tylopilus rubrobrunneus on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, July 31, 2020
 Side view of brown bolete mushrooms Tylopilus appalachiensis(?) in the middle of Road FS 203 near Richards Loop Trail in Sam Houston National Forest. Texas, May 1, 2024
 Spores of bolete mushrooms Tylopilus rhodoconius(?) collected on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, May 29, 2022
 Dark grey bolete mushrooms Tylopilus griseocarneus on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, June 27, 2019
 Bolete mushrooms Tylopilus peralbidus(?) on sandy soil on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, July 4, 2021
 Bolete mushrooms Tylopilus rhodoconius on a sandy terrace on a bend of the creek on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, May 17, 2020
 Underside of dark grey bolete mushrooms Tylopilus griseocarneus on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, June 27, 2019
 Dissected bolete mushrooms Tylopilus rhodoconius on a sandy terrace on a bend of the creek on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, May 17, 2020
 Underside of bolete mushrooms Tylopilus rhodoconius on a sandy terrace on a bend of the creek on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, May 17, 2020
 Dissected mature burnt orange bolete mushroom (Rubinoboletus balloui, Tylopilus balloui, Gyroporus ballouii) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, June 9, 2018
 Bitter bolete mushroom Tylopilus plumbeoviolaceus on Winters Bayou Trail in Sam Houston National Forest. Cleveland, Texas, October 12, 2019
 Side view of dark grey bolete mushrooms Tylopilus griseocarneus on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, June 27, 2019
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