Synonyms: Boletus griseus, Ceriomyces griseus, Suillus griseus, Tubiporus griseus, Xerocomus griseus.
Common name: Gray Bolete.
Extract from Wikipedia article: Retiboletus griseus, commonly known as the gray bolete, is a species of bolete fungus in the family Boletaceae. The species was first described scientifically in 1878 by American botanist Charles Christopher Frost. It was transferred to Retiboletus in 2002.
Retiboletus griseus is a species of bolete fungus that typically grows 3-8 cm in diameter, with a gray to brownish-gray cap and white to pale yellow pores. The stem is similar in color to the cap, often with a reddish-brown base. In East and Central Texas, it is commonly found in association with oak trees, particularly live oak and post oak, during the summer and fall months. Fruitings often occur singly or in small groups on the ground in woodland areas, especially in regions with rich soil and ample moisture.
Bolete mushrooms Retiboletus griseus(?) and Boletus edulis group in Lick Creek Park. College Station, Texas, June 28, 2018
Yaupon Loop, College Station, TX 77845, USA
Bolete mushrooms Retiboletus griseus(?) together with a small mushroom of Boletus edulis group in Lick Creek Park. College Station, Texas, June 28, 2018Yaupon Loop, College Station, TX 77845, USA
Retiboletus griseus(?) and other bolete mushrooms in Lick Creek Park. College Station, Texas, June 28, 2018Iron Bridge Trail, College Station, TX 77845, USA
Mature bolete mushrooms Retiboletus griseus in Lick Creek Park. College Station, Texas, July 7, 2019Yaupon Loop, College Station, TX 77845, USA
Milkcap mushrooms Lactarius fuliginosus (Lactarius fumosus var. fumosus) together with Retiboletus griseus(?) in Lick Creek Park. College Station, Texas, June 9, 2020Iron Bridge Trail, College Station, TX 77845, USA
Underside of Retiboletus griseus(?) mushroom in Lick Creek Park. College Station, Texas, June 9, 2020Iron Bridge Trail, College Station, TX 77845, USA
Dissected Retiboletus griseus(?) mushroom in Lick Creek Park. College Station, Texas, June 9, 2020Iron Bridge Trail, College Station, TX 77845, USA
Underside of Retiboletus griseus(?) mushroom on Chinquapin Trail in Huntsville State Park. Texas, September 24, 2020State Park Rd 40, New Waverly, TX 77358, USA
Cross section of Retiboletus griseus(?) mushroom on Chinquapin Trail in Huntsville State Park. Texas, September 24, 2020State Park Rd 40, New Waverly, TX 77358, USA
Bolete mushrooms Retiboletus griseus(?) on Chinquapin Trail in Huntsville State Park. Texas, September 24, 2020State Park Rd 40, New Waverly, TX 77358, USA
Caps of bolete mushrooms Retiboletus griseus(?) on Chinquapin Trail in Huntsville State Park. Texas, September 24, 2020State Park Rd 40, New Waverly, TX 77358, USA
Cross section of mature bolete mushrooms Retiboletus griseus(?) on Chinquapin Trail in Huntsville State Park. Texas, September 24, 2020State Park Rd 40, New Waverly, TX 77358, USA
Underside of a bolete mushroom Retiboletus griseus on Richards Loop Trail in Sam Houston National Forest. Texas, October 13, 2021Lone Star Hiking Trail, Montgomery County, Texas, 77873, United States
Cap of a bolete mushroom Retiboletus griseus on Richards Loop Trail in Sam Houston National Forest. Texas, October 13, 2021Lone Star Hiking Trail, Montgomery County, Texas, 77873, United States
Cross section of a bolete mushroom Retiboletus griseus on Richards Loop Trail in Sam Houston National Forest. Texas, October 13, 2021Lone Star Hiking Trail, Montgomery County, Texas, 77873, United StatesObservations of the fungus Retiboletus griseus in East and Central Texas reveal its presence in various locations, including Lick Creek Park, Huntsville State Park, and Sam Houston National Forest. The mushroom was found growing alone or alongside other species, such as Boletus edulis group and Lactarius fuliginosus. Multiple observations were made between 2018 and 2021, with sightings in June, July, September, and October. The mushrooms were often found on trails, including Chinquapin Trail and Richards Loop Trail. Dissections and cross-sections of the mushroom were also observed, providing further insight into its characteristics. The fungus was identified as Retiboletus griseus, although some observations were tentative, indicated by a question mark. Overall, the observations suggest that Retiboletus griseus is present in East and Central Texas, with a range of habitats and associations with other species.
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