Small yellow bolete mushroom Buchwaldoboletus sphaerocephalus on a big barkless pine log fallen across the trail, on a vertically cut surface, near the creek crossing, on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 18, 2022 Lone Star Hiking Trail, Montgomery County, Texas, United States
Underside of a small yellow bolete mushroom Buchwaldoboletus sphaerocephalus on a big pine log on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 18, 2022 Lone Star Hiking Trail, Montgomery County, Texas, United States
Cross section of a small yellow bolete mushroom Buchwaldoboletus sphaerocephalus on a big pine log on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 18, 2022 Lone Star Hiking Trail, Montgomery County, Texas, United States
Close-up of a small yellow bolete mushroom Buchwaldoboletus sphaerocephalus on a big pine log on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 18, 2022 Lone Star Hiking Trail, Montgomery County, Texas, United States
Small yellow bolete mushroom Buchwaldoboletus sphaerocephalus on a big barkless pine log, on its side, closer to the ground, on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 18, 2022 Lone Star Hiking Trail, Montgomery County, Texas, United States
Small yellow bolete mushroom Buchwaldoboletus sphaerocephalus on a big rotten pine log on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 18, 2022 Lone Star Hiking Trail, Montgomery County, Texas, United States
Underside of bolete mushroom Buchwaldoboletus sphaerocephalus on a big rotten pine log on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 18, 2022 Lone Star Hiking Trail, Montgomery County, Texas, United States
Yellow cap of bolete mushroom Buchwaldoboletus sphaerocephalus on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 18, 2022 Lone Star Hiking Trail, Montgomery County, Texas, United States
Pores of bolete mushroom Buchwaldoboletus sphaerocephalus on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 18, 2022 Lone Star Hiking Trail, Montgomery County, Texas, United States
Mushrooms Tricholomopsis formosa together with Buchwaldoboletus sphaerocephalus on a big fallen pine on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 18, 2022 Lone Star Hiking Trail, Montgomery County, Texas, United States
Tissues of a small yellow bolete mushroom Buchwaldoboletus sphaerocephalus under a microscope, collected on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 18, 2022
Basidia of a small yellow bolete mushroom Buchwaldoboletus sphaerocephalus at low magnification, collected on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 18, 2022
Basidia and cystidia of a small yellow bolete mushroom Buchwaldoboletus sphaerocephalus, collected on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 18, 2022
Basidia and cystidia of a small yellow bolete mushroom Buchwaldoboletus sphaerocephalus in Congo red, collected on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 18, 2022
Basidia of a small yellow bolete mushroom Buchwaldoboletus sphaerocephalus, collected on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 18, 2022
Basidia and linear cells of a small yellow bolete mushroom Buchwaldoboletus sphaerocephalus, collected on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 18, 2022
Spores and basidia of a small yellow bolete mushroom Buchwaldoboletus sphaerocephalus, collected on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 18, 2022
Spores of yellow bolete mushroom Buchwaldoboletus sphaerocephalus collected on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 18, 2022 Spore size 5.9 - 6.2 × 3.4 - 3.6 µm, length to width ratio Q = 1.7 - 1.8.