Synonyms: Agaricus spumosus, Dryophila spumosa, Flammula spumosa, Gymnopilus spumosus, Naucoria spumosa, Pholiotina spumosa.
Pholiota spumosa is a species of fungus that belongs to the family Strophariaceae. It is characterized by its small to medium-sized fruiting bodies, typically 1-4 cm in diameter, with a bell-shaped to convex cap that ranges in color from yellow-brown to reddish-brown. The gills are crowded and pale yellow to yellow-brown. In East and Central Texas, Pholiota spumosa has been found growing on decaying wood, especially hardwoods like oak and maple, in a variety of habitats including forests, woodlands, and along streams. It typically fruits from spring to fall, with peak activity during the summer months.
Scalycap mushrooms Pholiota spumosa(?) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 23, 2018
Underside of scalycap mushrooms Pholiota spumosa(?) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 23, 2018
Scalycap mushrooms Pholiota spumosa(?) in a pine forest on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 23, 2018
Scalycap mushrooms Pholiota spumosa(?) near pine roots on a trail on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, November 18, 2019
Underside of scalycap mushrooms Pholiota spumosa(?) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, November 18, 2019
Scalycap mushrooms Pholiota spumosa on a thick pine log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, December 1, 2019
Gills of scalycap mushrooms Pholiota spumosa on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, December 1, 2019
Scalycap mushrooms Pholiota spumosa on a fallen pine on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, December 1, 2019
Scalycap mushrooms Pholiota spumosa on a big mossy pine log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, December 1, 2019
Pholiota spumosa mushrooms on an old forest road on Richards Loop Trail in Sam Houston National Forest. Texas, September 25, 2020
Underside of Pholiota spumosa mushrooms on an old forest road on Richards Loop Trail in Sam Houston National Forest. Texas, September 25, 2020
Mushrooms Pholiota spumosa(?) on a rotting pine log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, December 20, 2020
Mushrooms Pholiota spumosa(?) on a big wet rotting pine log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, December 20, 2020
Mushrooms Pholiota spumosa(?) on a mossy rotting pine log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, December 20, 2020
Scalycap mushrooms Pholiota spumosa(?) on a fallen pine tree on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, December 26, 2020
Scalycap mushrooms Pholiota spumosa(?) on a rotting pine on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, December 26, 2020
Scalycap mushrooms Pholiota spumosa on a completely rotten pine stump on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, January 17, 2021
Side view of scalycap mushrooms Pholiota spumosa on a completely rotten pine stump on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, January 17, 2021
Cross section of scalycap mushrooms Pholiota spumosa on a completely rotten pine stump on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, January 17, 2021
Underside of scalycap mushrooms Pholiota spumosa on a completely rotten pine stump on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, January 17, 2021
Scalycap mushrooms Pholiota spumosa on decomposing pine wood on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, January 17, 2021
Mushrooms Pholiota spumosa(?) in burned area with oaks and pines in Bastrop State Park. Bastrop, Texas, October 17, 2021
Underside of mushrooms Pholiota spumosa(?) in burned area with oaks and pines in Bastrop State Park. Bastrop, Texas, October 17, 2021
Underside of a mushroom Pholiota spumosa(?) on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, November 14, 2021
Cap of a mushroom Pholiota spumosa(?) on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, November 14, 2021
Cross section of a mushroom Pholiota spumosa(?) on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, November 14, 2021
Mushrooms Pholiota spumosa(?) on a wet rotting pine log on Richards Loop Trail in Sam Houston National Forest. Texas, February 27, 2022
Gills of mushrooms Pholiota spumosa(?) on a wet rotting pine log on Richards Loop Trail in Sam Houston National Forest. Texas, February 27, 2022
Caps of mushrooms Pholiota spumosa(?) on a wet rotting pine log on Richards Loop Trail in Sam Houston National Forest. Texas, February 27, 2022
Spores of mushrooms Pholiota spumosa collected on Richards Loop Trail in Sam Houston National Forest. Texas, February 27, 2022
Mushrooms Pholiota spumosa at the base of a pine stump on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, January 22, 2023
Underside of mushrooms Pholiota spumosa at the base of a pine stump on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, January 22, 2023
Caps of mushrooms Pholiota spumosa at the base of a pine stump on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, January 22, 2023
Gills of a mushroom Pholiota spumosa at the base of a pine stump on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, January 22, 2023
Tissues at low magnification of mushrooms Pholiota spumosa, collected around a pine stump from muddy soil on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, January 22, 2023
Cystidia and basidia of mushrooms Pholiota spumosa, collected around a pine stump from muddy soil on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, January 22, 2023
Basidia and hyphae of mushrooms Pholiota spumosa, collected around a pine stump from muddy soil on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, January 22, 2023
Bottle-shaped cystidia and basidia of mushrooms Pholiota spumosa, collected around a pine stump from muddy soil on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, January 22, 2023
Spores (in lugol) of mushrooms Pholiota spumosa (spore print dark brown) collected in Bastrop State Park a day before. Texas, January 22, 2023
Spores (in KOH) of mushrooms Pholiota spumosa collected in Bastrop State Park a day before. Texas, January 22, 2023
Mushrooms Pholiota spumosa on a path on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, October 29, 2023
Spores (in KOH) of mushrooms Pholiota spumosa from a path, collected on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, October 29, 2023The fungus Pholiota spumosa was observed in East and Central Texas, primarily in the Sam Houston National Forest and Bastrop State Park. The mushroom grew on various substrates, including pine logs, stumps, and soil, often in areas with oak and pine trees. Observations were made from 2018 to 2023, with frequent sightings on trails such as Little Lake Creek Loop Trail, Caney Creek section of Lone Star Hiking Trail, and Richards Loop Trail. The mushroom's morphology, including cap, gills, spores, and tissues, was documented through photographs and microscopy. Spore prints were dark brown, and cystidia and basidia were observed under a microscope. The observations suggest that Pholiota spumosa is a common species in the region, with a wide range of habitats and growth patterns.
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