General Mold Information

Common and hazardus molds found most often in our everyday environment are listed on this page.  A brief synopsis of each with possible interactions can be found by following the links.
  • Mold is a type of fungus. Other types of fungi include yeasts and mushrooms.
  • Sometimes the term mildew is used. It is also a type of fungus.
  • Molds reproduce by means of spores which commonly travel through the air.
  • Mold can look like a smudge, a discoloration, or even a stain.
  • Many smell musty or faintly like alcohol.
  • Mold's most important requirement is a source of moisture. (e.g., basements, bathrooms, kitchens, carpet, upholstery, soil)
  • Some varieties of mold are toxic


  • Molds are strong allergens, however, most people are not allergic to molds.
  • They are most numerous in the warmer months, but can be found year round.
  • The spores can be inhaled or make contact through the eyes.
  • In many climates, for each pollen grain in the air there are 1000 mold spores.
  • Mold exposure increases with cutting the grass, raking dead leaves, or working with hay or mulch piles


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