Name for the one to two centimetre thick, grey-green to black mould with the botanical name Zasmidium cellare or obsolete Cladosporium cellare. Other names based on the fur or cloth-like appearance or texture are Kellerkatze (vernacularly "Köllakotz" in Austria) or Schwarze Katze (black cat) and Kellertuch (picture on the right). The mould forms especially in wine cellars with a stock of old wooden barrels and very high humidity above 80% on walls, bottles and barrels. However, it is not tolerated on the...
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