Synonyms: Boletus rubricitrinus, Ceriomyces rubricitrinus.
Pulchroboletus rubricitrinus is a species of bolete fungus characterized by its reddish to orange-red cap, yellow pores, and blue-green staining when bruised. In East and Central Texas, it typically fruits in late summer to early fall, often associated with oak and pine trees. The cap can range from 3-8 cm in diameter and the stem is usually 4-8 cm tall and 1-2 cm thick. It has been found in various counties, including Brazos, Grimes, and McLennan, where it grows solitary or in small groups on the ground in wooded areas.
Brown caps eaten by slugs of bolete mushrooms Pulchroboletus rubricitrinus (Boletus rubricitrinus)(?) in Lick Creek Park. College Station, Texas, June 14, 2010
Cap of bolete mushroom Pulchroboletus rubricitrinus (Boletus rubricitrinus) in Lick Creek Park. College Station, Texas, June 6, 2018
Underside of bolete mushroom Pulchroboletus rubricitrinus (Boletus rubricitrinus) in Lick Creek Park. College Station, Texas, June 6, 2018
Bolete mushroom Pulchroboletus rubricitrinus (Boletus rubricitrinus) in Lick Creek Park. College Station, Texas, June 6, 2018
Dissected bolete mushroom Pulchroboletus rubricitrinus (Boletus rubricitrinus) in Lick Creek Park. College Station, Texas, June 6, 2018
Bolete mushrooms Pulchroboletus rubricitrinus (Boletus rubricitrinus) in Lick Creek Park. College Station, Texas, June 28, 2018
Mature bolete mushrooms Pulchroboletus rubricitrinus (Boletus rubricitrinus) in Lick Creek Park. College Station, Texas, June 28, 2018
Pores of Pulchroboletus rubricitrinus (Boletus rubricitrinus) mushroom in Lick Creek Park. College Station, Texas, June 28, 2018
Cap of Pulchroboletus rubricitrinus (Boletus rubricitrinus) mushroom in Lick Creek Park. College Station, Texas, June 28, 2018
Side view of Pulchroboletus rubricitrinus (Boletus rubricitrinus) mushroom in Lick Creek Park. College Station, Texas, June 28, 2018
Dissected Pulchroboletus rubricitrinus (Boletus rubricitrinus) mushroom in Lick Creek Park. College Station, Texas, June 28, 2018
Pulchroboletus rubricitrinus (Boletus rubricitrinus) mushrooms near Yaupon Loop Trail in Lick Creek Park. College Station, Texas, June 28, 2018
Dissected Pulchroboletus rubricitrinus (Boletus rubricitrinus) mushrooms near Yaupon Loop Trail in Lick Creek Park. College Station, Texas, June 28, 2018
Pulchroboletus rubricitrinus (Boletus rubricitrinus)(?) mushrooms in Lick Creek Park. College Station, Texas, June 28, 2018
Pulchroboletus rubricitrinus (Boletus rubricitrinus) mushrooms near Iron Bridge Trail in Lick Creek Park. College Station, Texas, June 28, 2018
Dissected Pulchroboletus rubricitrinus (Boletus rubricitrinus) mushrooms near Iron Bridge Trail in Lick Creek Park. College Station, Texas, June 28, 2018
Group of Pulchroboletus rubricitrinus (Boletus rubricitrinus) mushrooms near Iron Bridge Trail in Lick Creek Park. College Station, Texas, June 28, 2018
Bolete mushroom Pulchroboletus rubricitrinus (Boletus rubricitrinus) and ashtray boletes (Leccinum rubropunctum) on Yaupon Trail in Lick Creek Park. College Station, Texas, July 16, 2018
Dissected bolete mushroom Pulchroboletus rubricitrinus (Boletus rubricitrinus) and ashtray boletes (Leccinum rubropunctum) in Lick Creek Park. College Station, Texas, July 16, 2018
Pulchroboletus rubricitrinus (Boletus rubricitrinus) mushrooms under oaks in Lick Creek Park. College Station, Texas, July 16, 2018
Pare of Pulchroboletus rubricitrinus (Boletus rubricitrinus) mushrooms affected by dry air in Lick Creek Park. College Station, Texas, July 16, 2018
Dissected Pulchroboletus rubricitrinus (Boletus rubricitrinus) mushrooms in Lick Creek Park. College Station, Texas, July 16, 2018
Group of Pulchroboletus rubricitrinus (Boletus rubricitrinus) mushrooms in Lick Creek Park. College Station, Texas, July 16, 2018
Pulchroboletus rubricitrinus (Boletus rubricitrinus) mushrooms in cross section in Lick Creek Park. College Station, Texas, July 16, 2018
Underside of young bolete mushroom Pulchroboletus rubricitrinus (Boletus rubricitrinus) in Lick Creek Park. College Station, Texas, July 16, 2018
Young bolete mushroom Pulchroboletus rubricitrinus (Boletus rubricitrinus) in Lick Creek Park. College Station, Texas, July 16, 2018
Dissected young bolete mushroom Pulchroboletus rubricitrinus (Boletus rubricitrinus) in Lick Creek Park. College Station, Texas, July 16, 2018
Dissected bolete mushroom Pulchroboletus rubricitrinus (Boletus rubricitrinus) in Lick Creek Park. College Station, Texas, July 16, 2018
Bolete mushrooms Pulchroboletus rubricitrinus (Boletus rubricitrinus) in Lick Creek Park. College Station, Texas, July 18, 2018
Bolete mushrooms Pulchroboletus rubricitrinus (Boletus rubricitrinus) with a cross section in Lick Creek Park. College Station, Texas, July 18, 2018
Large number of bolete mushrooms Pulchroboletus rubricitrinus (Boletus rubricitrinus) in Lick Creek Park. College Station, Texas, July 18, 2018
Young bolete mushrooms Pulchroboletus rubricitrinus (Boletus rubricitrinus) in Lick Creek Park. College Station, Texas, July 18, 2018
Bolete mushrooms Pulchroboletus rubricitrinus (Boletus rubricitrinus) and Leccinellum griseum(?) in Lick Creek Park. College Station, Texas, July 18, 2018
Pores of bolete mushrooms Pulchroboletus rubricitrinus (Boletus rubricitrinus) in Lick Creek Park. College Station, Texas, July 19, 2018
Bolete mushrooms Pulchroboletus rubricitrinus (Boletus rubricitrinus) under oaks in Hensel Park. College Station, Texas, September 19, 2018
Young bolete mushroom Pulchroboletus rubricitrinus (Boletus rubricitrinus) or may be B. patrioticus in Lick Creek Park. College Station, Texas, September 21, 2018
Dissected bolete mushroom Pulchroboletus rubricitrinus (Boletus rubricitrinus) or may be B. patrioticus in Lick Creek Park. College Station, Texas, September 21, 2018
Pulchroboletus rubricitrinus (Boletus rubricitrinus) mushroom on a flowerbed under an oak tree at Spence Street on campus of Texas A and M University. College Station, Texas, October 1, 2018
Dissected Pulchroboletus rubricitrinus (Boletus rubricitrinus) mushroom on a flowerbed under an oak tree at Spence Street on campus of Texas A and M University. College Station, Texas, October 1, 2018
Underside of bolete mushroom Pulchroboletus rubricitrinus (Boletus rubricitrinus) and Russula(?) in Lick Creek Park. College Station, Texas, June 28, 2019
Caps of bolete mushroom Pulchroboletus rubricitrinus (Boletus rubricitrinus) and Russula(?) in Lick Creek Park. College Station, Texas, June 28, 2019
Bolete mushrooms Pulchroboletus rubricitrinus (Boletus rubricitrinus) in Lick Creek Park. College Station, Texas, June 28, 2019
Dissected bolete mushrooms Pulchroboletus rubricitrinus (Boletus rubricitrinus) in Lick Creek Park. College Station, Texas, June 28, 2019
Bolete mushrooms Pulchroboletus rubricitrinus (Boletus rubricitrinus) in Lick Creek Park. College Station, Texas, July 5, 2019
Underside of bolete mushrooms Pulchroboletus rubricitrinus (Boletus rubricitrinus) in Lick Creek Park. College Station, Texas, July 5, 2019
Bolete mushrooms Pulchroboletus rubricitrinus in Lick Creek Park. College Station, Texas, July 1, 2020
Dissected bolete mushrooms Pulchroboletus rubricitrinus in Lick Creek Park. College Station, Texas, July 1, 2020
Bolete mushrooms Pulchroboletus rubricitrinus under oaks in Lick Creek Park. College Station, Texas, August 4, 2020
Dissected bolete mushrooms Pulchroboletus rubricitrinus in Lick Creek Park. College Station, Texas, August 4, 2020
Young bolete mushrooms Pulchroboletus rubricitrinus under small oaks in Lick Creek Park. College Station, Texas, August 8, 2020
Group of bolete mushrooms Pulchroboletus rubricitrinus under small oaks in Lick Creek Park. College Station, Texas, August 8, 2020
Bolete mushrooms Pulchroboletus rubricitrinus under small oaks in Lick Creek Park. College Station, Texas, July 15, 2021
Bolete mushrooms Pulchroboletus rubricitrinus with a cross section in Lick Creek Park. College Station, Texas, July 15, 2021
Underside of bolete mushroom Pulchroboletus rubricitrinus(?) near Pitcher Plant Trail in Big Thicket National Preserve. Texas, September 25, 2021
Bolete mushroom Pulchroboletus rubricitrinus(?) near Pitcher Plant Trail in Big Thicket National Preserve. Texas, September 25, 2021
Stem base with yellow mycelium of bolete mushroom Pulchroboletus rubricitrinus(?) near Pitcher Plant Trail in Big Thicket National Preserve. Texas, September 25, 2021
Cross section of bolete mushroom Pulchroboletus rubricitrinus(?) near Pitcher Plant Trail in Big Thicket National Preserve. Texas, September 25, 2021
Dissected bolete mushroom Pulchroboletus rubricitrinus(?) near Pitcher Plant Trail in Big Thicket National Preserve. Texas, September 25, 2021
Bolete mushrooms Pulchroboletus rubricitrinus(?) under oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 10, 2021
Underside of bolete mushrooms Pulchroboletus rubricitrinus(?) under oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 10, 2021
Bolete mushrooms Pulchroboletus rubricitrinus on Yaupon Loop Trail in Lick Creek Park. College Station, Texas, June 3, 2022
Cross section of bolete mushrooms Pulchroboletus rubricitrinus on Yaupon Loop Trail in Lick Creek Park. College Station, Texas, June 3, 2022
Spores of bolete mushrooms Pulchroboletus rubricitrinus collected in Lick Creek Park. College Station, Texas, June 3, 2022
Mature bolete mushrooms Pulchroboletus rubricitrinus(?) under live oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
Bolete mushrooms Pulchroboletus rubricitrinus(?) under live oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
Side view of bolete mushrooms Pulchroboletus rubricitrinus(?) under live oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
Cross section of bolete mushrooms Pulchroboletus rubricitrinus(?) under live oaks at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, September 8, 2022
Spores of bolete mushrooms Pulchroboletus rubricitrinus(?) collected Somerville Lake State Park. Texas, September 8, 2022
Bolete mushrooms Pulchroboletus rubricitrinus in Lick Creek Park. College Station, Texas, September 3, 2024
Section of a bolete mushroom Pulchroboletus rubricitrinus when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 3, 2024
Bolete mushrooms Pulchroboletus rubricitrinus under small oaks in Lick Creek Park. College Station, Texas, September 8, 2024
Large number of bolete mushrooms Pulchroboletus rubricitrinus in Lick Creek Park. College Station, Texas, September 8, 2024
Bolete mushrooms Pulchroboletus rubricitrinus in Lick Creek Park. College Station, Texas, September 8, 2024The observations document the presence of bolete mushrooms, specifically Pulchroboletus rubricitrinus, in various locations in Texas, primarily in Lick Creek Park and Somerville Lake State Park. The mushrooms were found under oak trees, particularly live oaks, from 2021 to 2024. Observations include descriptions of the mushroom's appearance, habitat, and behavior under different lighting conditions, including ultraviolet light. Some observations note the presence of yellow mycelium at the base of the stem. The data suggests that Pulchroboletus rubricitrinus is a common species in these areas, with frequent sightings over several years. The observations provide valuable information on the distribution, habitat, and characteristics of this mushroom species in Texas.
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