Nimikollisia

Nimikollisia is a term used in certain Finnish dialects, particularly in Ostrobothnia, to refer to a type of small, often unpleasant-smelling fungi or mold. The word itself is a compound, with "nimi" meaning name and "kollisia" possibly relating to decay or a pungent smell, though the exact etymology is debated. It is not a formal mycological classification but rather a folk term describing a phenomenon rather than a specific species.

These nimikollisia are typically found in damp or poorly ventilated environments, such as on old food, in basements, or on decaying organic matter. They can manifest in various colors, often appearing as fuzzy or slimy patches. The term is frequently used in a somewhat dismissive or cautionary way, implying something that is undesirable and potentially unhygienic. While not always harmful, their presence can indicate conditions that might favor the growth of more pathogenic organisms.

Identifying the precise fungi that fall under the umbrella term "nimikollisia" is difficult due to its informal nature. It likely encompasses a range of common molds and saprophytic fungi. In everyday language, it serves as a catch-all for those visible signs of decay that are best avoided or cleaned up.