Extract from Wikipedia article: Boletus harrisonii is a fungus of the genus Boletus native to the United States. It was first described officially in 1971 by mycologists Alexander H. Smith and Harry Delbert Thiers. It is named after Canadian mycologist Kenneth A. Harrison, who collected the type specimens.
Boletus harrisonii is a species of bolete fungus that grows in association with oak trees. In East and Central Texas, it typically fruits from May to October, producing medium-sized to large caps that range in color from reddish-brown to dark brown, often with a velvety texture. The pore surface is yellow, becoming olive-green with age, and the stalk is stout, reticulate, and colored similarly to the cap. This fungus can be found in woodland areas, particularly under live oak and white oak, where it grows singly or in small groups.
Mushrooms Xerocomus sclerotiorum or may be Boletus harrisonii found in bushes near a trail in Lick Creek Park. College Station, Texas, June 24, 2018
Iron Bridge Trail, College Station, TX 77845, USA
Bolete mushrooms Boletus harrisonii under small oaks in Lick Creek Park. College Station, Texas, September 18, 201814802 Rock Prairie Rd, College Station, TX 77845, USA
Dissected bolete mushroom Boletus harrisonii in Lick Creek Park. College Station, Texas, September 18, 201814802 Rock Prairie Rd, College Station, TX 77845, USA
Bolete mushrooms Boletus harrisonii in Lick Creek Park. College Station, Texas, September 21, 2018Yaupon Loop, College Station, TX 77845, USA
Dissected mushrooms Boletus harrisonii in Lick Creek Park. College Station, Texas, September 21, 2018Yaupon Loop, College Station, TX 77845, USA
Bolete mushroom Boletus harrisonii in Lick Creek Park. College Station, Texas, October 5, 20181405 Bulle Rock Court, College Station, TX 77845, USA
Underside of Boletus harrisonii mushroom in Lick Creek Park. College Station, Texas, October 5, 20181405 Bulle Rock Court, College Station, TX 77845, USA
Small mushrooms Boletus harrisonii in wet area in Lick Creek Park. College Station, Texas, June 28, 201914802 Rock Prairie Rd, College Station, TX 77845, USA
Boletus harrisonii mushrooms near a creek on Kiwanis Nature Trail. College Station, Texas, July 3, 20191101 Williams St, College Station, TX 77840, USA
Boletus harrisonii mushrooms with Hypomyces mold fungus near a creek on Kiwanis Nature Trail. College Station, Texas, July 3, 20191101 Williams St, College Station, TX 77840, USA
Boletus harrisonii mushrooms in Hensel Park. College Station, Texas, September 20, 2019309 E Brookside Dr, Bryan, TX 77801, USA
Inkcap Coprinus laniger together with a young mushroom Boletus harrisonii in a bamboo growth on Kiwanis Nature Trail. College Station, Texas, April 13, 2020705 Gilchrist Ave, College Station, TX 77840, USA
Mushrooms Boletus harrisonii near Racoon Run Trail in Lick Creek Park. College Station, Texas, July 2, 2021Raccoon Run, College Station, TX 77845, USA
Cross section of mushrooms Boletus harrisonii in Lick Creek Park. College Station, Texas, July 2, 2021Raccoon Run, College Station, TX 77845, USA
Mushrooms Boletus harrisonii(?) on muddy soil on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, August 6, 2021LSHT Little Lake Creek Loop, Montgomery, TX 77356, USA
Conydia(?) of Hypomyces on a cap of mushroom Boletus harrisonii(?) at low magnification (x40 objective), collected from muddy soil on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, May 4, 2022
Underside of a small red-cap bolete mushroom Boletus harrisonii(?) on Racoon Run Trail in Lick Creek Park. College Station, Texas, April 29, 2024Racoon Run Trail, College Station, Brazos County, Texas, United States
Small red-cap bolete mushroom Boletus harrisonii(?) on Racoon Run Trail in Lick Creek Park. College Station, Texas, April 29, 2024Racoon Run Trail, College Station, Brazos County, Texas, United States
Cross section of a small red-cap bolete mushroom Boletus harrisonii(?) on Racoon Run Trail in Lick Creek Park. College Station, Texas, April 29, 2024Racoon Run Trail, College Station, Brazos County, Texas, United States
Spores of a small red-cap bolete mushroom Boletus harrisonii(?) from Racoon Run Trail, collected in Lick Creek Park. College Station, Texas, April 29, 2024
Orange-cap mushrooms Boletus harrisonii(?) in Lick Creek Park. College Station, Texas, May 4, 2024Iron Bridge Trail, College Station, Brazos County, Texas, United States
Cap of a mushroom Boletus harrisonii(?) in Lick Creek Park. College Station, Texas, May 4, 2024Iron Bridge Trail, College Station, Brazos County, Texas, United States
Underside of a mushroom Boletus harrisonii(?) in Lick Creek Park. College Station, Texas, May 4, 2024Iron Bridge Trail, College Station, Brazos County, Texas, United States
Cross section of a mushroom Boletus harrisonii(?) in Lick Creek Park. College Station, Texas, May 4, 2024Iron Bridge Trail, College Station, Brazos County, Texas, United States
Spores (in KOH) of a mushroom Boletus harrisonii(?) collected in Lick Creek Park. College Station, Texas, May 4, 2024The fungus Boletus harrisonii was observed in East and Central Texas over several years. Most sightings were in Lick Creek Park, College Station, with additional findings in Hensel Park, Kiwanis Nature Trail, and Sam Houston National Forest. The mushrooms typically grew near trails, creeks, or in wet areas under small oaks or in bushes. Observations were made from June to October, with some sightings as early as April. The mushrooms exhibited varying cap colors, including red and orange. Some specimens were infected with Hypomyces mold fungus. Dissections and cross-sections revealed characteristic bolete features. Spore samples were also collected for further analysis. Overall, the observations suggest that Boletus harrisonii is a relatively common species in the region, particularly in areas with suitable habitat and moisture.
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