The image displays spores (in Melzer) from Gloeophyllum carbonarium. The spore print is a light yellow color with purple staining around them.
Gloeophyllum carbonarium is a resupinate polypore mushroom that grows on tree trunks and branches. It's also found growing on the ground in clusters. The mushrooms are brown to black, flat, and tough and can be up to 5 cm wide. The spores of Gloeophyllum carbonarium are light yellow with purple staining around them.
The mushroom was collected a day before on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, February 14, 2023. – AI vision