Synonyms: Agaricus mammosus, Entoloma clandestinum, Hyporrhodius papillatus, Leptonia papillata, Nolanea mammosa, Nolanea papillata, Rhodophyllus papillatus.
Common name: papillate pinkgill.
Entoloma papillatum is a small to medium-sized mushroom with a conical to bell-shaped cap, typically 1-3 cm in diameter, featuring a papillate apex and a radially fibrillose to scaly surface that ranges from pinkish-brown to brown. The gills are crowded, narrowly attached, and pale pink, while the stem is slender, cylindrical, and usually the same color as the cap. In East and Central Texas, Entoloma papillatum has been found growing in a variety of woodland habitats, often associated with oak, pine, or mixed hardwood trees, typically during the spring and fall months when moisture levels are higher.
Pinkgill mushrooms Entoloma papillatum under pines, on higher ground (spore print pinkish) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, November 18, 2023
Lone Star Hiking Trail, Montgomery County, Texas, United States
Pinkgill mushrooms Entoloma papillatum on dark background on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, November 18, 2023Lone Star Hiking Trail, Montgomery County, Texas, United States
Gills of pinkgill mushrooms Entoloma papillatum under tall pines on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, November 18, 2023Lone Star Hiking Trail, Montgomery County, Texas, United States
Side view of pinkgill mushrooms Entoloma papillatum under tall pines on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, November 18, 2023Lone Star Hiking Trail, Montgomery County, Texas, United States
Tissues of pinkgill mushrooms Entoloma papillatum, collected on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, November 18, 2023
Basidia and spores of pinkgill mushrooms Entoloma papillatum, collected on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, November 18, 2023
Spores of pinkgill mushrooms Entoloma papillatum collected on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, November 18, 2023
Spores (stacked image) of pinkgill mushrooms Entoloma papillatum collected on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, November 18, 2023
Small dark pinkgill mushroom Entoloma papillatum on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, December 22, 2023Little Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States
Side view of pinkgill mushroom Entoloma papillatum on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, December 22, 2023Little Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States
Underside of pinkgill mushroom Entoloma papillatum on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, December 22, 2023Little Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States
Spores (in KOH) of a pinkgill mushroom Entoloma papillatum collected on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, December 22, 2023In East and Central Texas, observations of the fungus Entoloma papillatum were made in the Sam Houston National Forest. The mushrooms were found under pines on higher ground, specifically on the Caney Creek section of the Lone Star Hiking Trail and Sand Branch Loop Trail. They produced a pinkish spore print and had distinctive gills. Microscopic examination revealed basidia and spores, with the spores being observed in detail using stacked imaging and KOH treatment. The mushrooms were found in November and December 2023, suggesting a fall to early winter fruiting period. The observations included various views of the mushrooms, including side views, underside, and tissues, providing a comprehensive look at the species in this region.
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