Extract from Wikipedia article: Ceratiomyxa is a genus of plasmodial slime mould within the Eumycetozoa, first described by Pier Antonio Micheli. They are widely distributed and commonly found on decaying wood.
Slime mold Ceratiomyxa morchella(?) on a big fallen pine on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 4, 2022 Lone Star Hiking Trail, Montgomery County, Texas, United States