Tricholomopsis formosa is a species of fungus that grows on coniferous trees, particularly pine. In East and Central Texas, it has been found fruiting on loblolly and shortleaf pine, typically in late summer to early fall. The cap is 3-8 cm in diameter, orange to yellow-orange with white or pale yellow gills, and a stout stipe. It is considered edible, but not highly prized. Specimens have been collected in the Piney Woods region of East Texas and the Lost Pines region of Central Texas.
Tricholomopsis formosa mushrooms on a pine stump on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, July 21, 2018 LSHT Little Lake Creek Loop, Montgomery, TX 77356, USA
Tricholomopsis formosa mushrooms on a pine stump on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, September 15, 2018 LSHT Little Lake Creek Loop, Montgomery, TX 77356, USA
Mushrooms Tricholomopsis formosa on a fallen pine on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, September 22, 2018 Little Lake Creek Loop Trail, Montgomery, TX 77356, USA
Gills of mushrooms Tricholomopsis formosa on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, September 22, 2018 Little Lake Creek Loop Trail, Montgomery, TX 77356, USA
Mushrooms Tricholomopsis formosa on a pine stump on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, September 22, 2018 Little Lake Creek Loop Trail, Montgomery, TX 77356, USA
Mushrooms Tricholomopsis formosa on Lone Star Hiking Trail south from Stubblefield Campground in Sam Houston National Forest. Huntsville, Texas, October 13, 2018 Lone Star Hiking Trail, Montgomery, TX 77356, USA
Scaly caps of Tricholomopsis formosa mushrooms on a pine log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, May 31, 2020 Little Lake Creek Loop Trail, Montgomery, TX 77356, USA
Young Tricholomopsis formosa mushrooms on a rotting pine on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, May 31, 2020 LSHT Little Lake Creek Loop, Montgomery, TX 77356, USA
Tricholomopsis formosa mushrooms on a pine stump on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, September 19, 2020 Little Lake Creek Loop Trail, Montgomery, TX 77356, USA
Mushrooms Tricholomopsis formosa on a pine log on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, July 16, 2021 Lone Star Hiking Trail, Montgomery, TX 77356, USA
Caps of mushrooms Tricholomopsis formosa on a pine log on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, July 16, 2021 Lone Star Hiking Trail, Montgomery, TX 77356, USA
Scaly cap and gills of mushrooms Tricholomopsis formosa on a pine log on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, July 16, 2021 Lone Star Hiking Trail, Montgomery, TX 77356, USA
Young scaly caps of mushrooms Tricholomopsis formosa at the base of a pine on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, July 16, 2021 Lone Star Hiking Trail, Montgomery, TX 77356, USA
Mushrooms Tricholomopsis formosa at the base of a pine tree on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, July 16, 2021 Lone Star Hiking Trail, Montgomery, TX 77356, USA
Mushrooms Tricholomopsis formosa together with Buchwaldoboletus sphaerocephalus on a big fallen pine on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 18, 2022 Lone Star Hiking Trail, Montgomery County, Texas, United States
AI-generated summary of observations
Tricholomopsis formosa mushrooms were observed in East and Central Texas, specifically in the Sam Houston National Forest near Huntsville and Montgomery. They were found growing on pine stumps, logs, and at the base of pine trees on various trails, including Caney Creek Trail and Lone Star Hiking Trail. The observations spanned from July 2018 to September 2022, with multiple sightings throughout the years. The mushrooms were noted to have scaly caps and were observed in different stages of growth, from young to mature. In one instance, they were found growing alongside Buchwaldoboletus sphaerocephalus on a fallen pine log. The consistent presence of Tricholomopsis formosa in this region suggests that it is a common species in the area, particularly in association with pine trees.