Unidentifiable Substance / Possible Slime Mold or Fungal Growth

Damp environments, rotting wood, soil, or occasionally indoor surfaces with moisture issues

Decomposing organic matter, bacteria, or spores

Stationary for most of its life cycle; moves very slowly during plasmodial stage if it is a slime mold. It does not exhibit insect behavior.

Generally harmless to humans but can indicate moisture problems or structural damage if found indoors. Some molds can be allergens.