Microbeworld user Sturm cultured various organisms on a trypticase soy agar plate after their 8 1/2-year-old son played outside. This is the result:
Up-close, some of the textures look more like art that organics:
And speaking of close-ups Sturm took a macro shot of this specific culture:
Unknown organism seen on a TSA plate used to do a handprint. Organism was seen on the outside of the imprint so not sure if it came from the hand or was contaminant. Colony was circular, tan/white, rhizoid growth in the center with a smooth margin and mucoid throughout.