Molds (molds) is the formation of branched mycelium of fungi collectively, meaning “moldy fungi”, they tend to form branched luxuriant mycelium, but not like mushrooms that produce large entities, mold mycelium is thicker, spores dissolved in the air dispersion, so the production of specimens commonly used in lactic acid phenol cotton blue staining solution.

Lactic acid phenol cotton blue staining solution is characterized by the cell is not deformed, with sterilization, and not easy to dry, can keep a longer period of time, is the mold mycelium, spore morphology is often an important basis for classification.