Synonyms: Agaricus atratus, Collybia atrata, Gymnopus atratus, Lyophyllum atratum, Marasmius atratus, Tephrophana atrata, Tephrophrana atrata.
Tephrocybe atrata is a small to medium-sized, dark-colored fungus that grows on decaying wood and other organic matter. In East and Central Texas, it typically fruits from spring to fall, often in shaded, moist areas with rich soil. The cap is 1-4 cm in diameter, convex to flat, and dark brown to black, with a velvety texture. The gills are crowded, narrow, and attached, with a similar dark coloration. The stem is slender, dark-colored, and hairy. This fungus is relatively common in the region, particularly in areas with abundant hardwood debris.
In East and Central Texas, specifically at Bastrop State Park, observations of the fungus Tephrocybe atrata were made on a burned site. The mushrooms were found growing among tall grass, with some specimens covered in moss. The underside of the mushrooms was also observed. The fungi thrived in areas that had been heavily burned, suggesting an ability to colonize and grow in disturbed environments. Multiple observations were recorded on October 17, 2021, indicating a possible abundance of Tephrocybe atrata in the park after a burn event. The presence of moss on some specimens may indicate a preference for moist or shaded areas within the burned site. Overall, the observations suggest that Tephrocybe atrata can be found in burned areas of Bastrop State Park, particularly among grasses and moss-covered substrates.
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