Synonyms: Boletus sordidus, Ceriomyces sordidus, Suillus sordidus, Tylopilus porphyrosporus, Tylopilus sordidus.
Porphyrellus sordidus is a species of bolete fungus that typically grows 3-8 cm tall and 4-10 cm wide, with a brown to reddish-brown cap and yellow to olive-brown pores. The stem is often curved or irregular, measuring 3-6 cm long and 1-2 cm thick. In East and Central Texas, Porphyrellus sordidus has been found growing in association with oak and pine trees, particularly in sandy soils and woodland edges. Fruitings typically occur from July to October, with a peak in late summer. The fungus is considered edible but of variable quality.
Porphyrellus sordidus (Tylopilus sordidus) mushroom on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, May 26, 2018
Dissected Porphyrellus sordidus (Tylopilus sordidus) mushroom on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, May 26, 2018
Porphyrellus sordidus (Tylopilus sordidus) or may be Leccinellum bolete mushrooms on floodplain on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, June 30, 2018
Dissected Porphyrellus sordidus (Tylopilus sordidus) or may be Leccinellum bolete mushrooms on floodplain on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, June 30, 2018
Mature bitter bolete mushrooms Porphyrellus sordidus (Tylopilus sordidus) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, July 15, 2018
Dissected bitter bolete mushrooms Porphyrellus sordidus (Tylopilus sordidus) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, July 15, 2018
Bitter bolete mushroom Porphyrellus sordidus (Tylopilus sordidus) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, September 22, 2018
Cap of a bolete mushroom Porphyrellus sordidus (Tylopilus sordidus) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville. Texas, October 6, 2018
Bolete mushroom Porphyrellus sordidus (Tylopilus sordidus) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville. Texas, October 6, 2018
Dissected bolete mushroom Porphyrellus sordidus (Tylopilus sordidus) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville. Texas, October 6, 2018
Bolete mushrooms Boletus subfraternus and Porphyrellus sordidus on floodplain on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, May 23, 2020
Bolete mushroom Porphyrellus sordidus on floodplain on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, May 23, 2020
Underside of a bolete mushroom Porphyrellus sordidus on floodplain on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, May 23, 2020
Bolete mushrooms Boletus subfraternus and dissected Porphyrellus sordidus on floodplain on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, May 23, 2020
Amanita subsolitaria(?) (left) together with a bolete mushroom Porphyrellus sordidus (right) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, June 13, 2020
Dissected Amanita subsolitaria(?) (left) together with a bolete mushroom Porphyrellus sordidus (right) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, June 13, 2020
Bolete mushrooms Porphyrellus sordidus (Tylopilus sordidus) on floodplain on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, August 1, 2020
Cracked cap of bolete mushroom Porphyrellus sordidus (Tylopilus sordidus) on floodplain on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, July 4, 2021
Pores of bolete mushroom Porphyrellus sordidus (Tylopilus sordidus) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, July 4, 2021
Cross section of bolete mushroom Porphyrellus sordidus (Tylopilus sordidus) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, July 4, 2021
Pores of a bolete mushroom Porphyrellus sordidus(?) in Lick Creek Park. College Station, Texas, July 6, 2021
Bolete mushrooms Porphyrellus sordidus on Winters Bayou Trail in Sam Houston National Forest. Cleveland, Texas, October 16, 2021
Spores of bolete mushroom Porphyrellus sordidus from wet area (spore print dark brown) collected in Sam Houston National Forest near Montgomery. Texas, August 28, 2022
Bolete mushroom Porphyrellus sordidus on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, September 4, 2022
Underside of bolete mushroom Porphyrellus sordidus on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, September 4, 2022
Cross section of bolete mushroom Porphyrellus sordidus on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, September 4, 2022
Spores of dark bolete mushroom Porphyrellus sordidus from floodplain, collected in Sam Houston National Forest near Montgomery. Texas, September 4, 2022
Bolete mushrooms Porphyrellus sordidus(?) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, September 14, 2022
Underside of bolete mushroom Porphyrellus sordidus on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, August 18, 2024
Cap of bolete mushroom Porphyrellus sordidus on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, August 18, 2024The fungus Porphyrellus sordidus was observed in East and Central Texas, primarily in the Sam Houston National Forest, between May 2018 and August 2024. A total of 30 observations were recorded, with most found on Caney Creek Trail and Lone Star Hiking Trail. The mushrooms were typically found on floodplains and near creeks. Some observations included dissected specimens, spore prints, and cross-sections. The species was often found in association with other bolete mushrooms, such as Boletus subfraternus. The observations suggest that Porphyrellus sordidus is common in the region, particularly during the summer and early fall months. The consistent presence of this species in the area highlights its significance in the local mycological community. Overall, these observations provide valuable insights into the distribution and characteristics of Porphyrellus sordidus in East and Central Texas.
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