Extract from Wikipedia article: Tylopilus williamsii is a bolete fungus in the family Boletaceae found in Mexico, where it grows under oak. It was described as new to science in 1991.
Tylopilus williamsii is a species of bolete fungus that grows in association with oak trees. In East and Central Texas, it typically fruits from June to October, producing medium-sized caps that range from reddish-brown to dark brown in color, often with a velvety texture. The pores are small and yellowish-white, becoming pinkish-brown with age. The stem is usually stout and reticulate near the apex. It can be found in woodland areas, particularly under live oak and post oak trees, and is considered a choice edible mushroom by some enthusiasts.
Bolete mushrooms Tylopilus williamsii at the base of a pine tree on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, June 30, 2018
Lone Star Hiking Trail, Montgomery, TX 77356, USA
Pair of bolete mushrooms Tylopilus williamsii on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, June 30, 2018Lone Star Hiking Trail, Montgomery, TX 77356, USA
Dissected bolete mushrooms Tylopilus williamsii on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, June 30, 2018Lone Star Hiking Trail, Montgomery, TX 77356, USA
Bitter bolete mushrooms Tylopilus williamsii in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, July 14, 2018Lone Star Hiking Trail, Coldspring, TX 77331, USA
Bolete mushrooms Tylopilus williamsii on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, September 15, 2018Lone Star Hiking Trail, Montgomery, TX 77356, USA
Bitter bolete mushrooms Tylopilus williamsii in Lake Bryan Park. Bryan, Texas, October 10, 2018Bryan, TX 77807, USA
Bitter bolete mushroom Tylopilus williamsii(?) together with burnt orange bolete (Gyroporus ballouii) and golden-pored boletes (Aureoboletus auriporus) in Lick Creek Park. College Station, Texas, August 8, 202014802 Rock Prairie Rd, College Station, TX 77845, USA
Cap of a bitter bolete mushroom Tylopilus williamsii on Richards Loop Trail in Sam Houston National Forest. Texas, October 13, 2021Little Lake Creek Loop Trail, Montgomery, TX 77356, USA
Underside of a bitter bolete mushroom Tylopilus williamsii on Richards Loop Trail in Sam Houston National Forest. Texas, October 13, 2021Little Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States
Cross section of a bitter bolete mushroom Tylopilus williamsii on Richards Loop Trail in Sam Houston National Forest. Texas, October 13, 2021Little Lake Creek Loop Trail, Montgomery, TX 77356, USAObservations of the fungus Tylopilus williamsii in East and Central Texas reveal its presence in various locations, including the Sam Houston National Forest near Huntsville and Shepherd, as well as Lake Bryan Park in Bryan and Lick Creek Park in College Station. The mushroom was found growing at the base of pine trees, particularly on the Caney Creek section of the Lone Star Hiking Trail. It was observed on multiple occasions between June 2018 and October 2021, with sightings recorded in summer, fall, and early winter. Dissections and cross-sections of the mushroom were also made to examine its internal structure. Additionally, Tylopilus williamsii was found growing alongside other bolete species, such as Gyroporus ballouii and Aureoboletus auriporus, in Lick Creek Park. The mushrooms were often described as "bitter" and were identified by their distinctive caps and pores.
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