In addition, naturally occurring bacteria found in decayed leaf litter can serve as ice nuclei at temperatures of less than about − 4 °C (24.8 °F). (britannica.com)
Large mounds of decaying leaf litter and soil found on the forest floor may be the handiwork of the orange - footed scrub fowl. (wikiaustralia.com)
«Mold spore counts increase in the fall because mold grows on decaying leaves,» explains Dr. Ramesh. It's best to rake the piles from your yard as far from your house as you can, bag them up, and get rid of them, stat. (health.com)