Pink mold refers to several microbiological organisms, some of which are bacteria instead of molds:
Aspergillus niger, a species of mold that can cause pink mold on spoiled vegetables Fusarium ear blight, a plant disease caused by Fusarium species Microdochium, a genus that causes pink mold on wheat and other grasses Neurospora, a genus of mold that can appear pink on bread Sporobolomyces salmonicolor, a yeast that causes pink mold Serratia marcescens, a waterborne bacteria (not technically a mold) that is commonly found in bathrooms and damp rooms Trichothecium roseum, a species of mold that causes pink mold on damaged nuts and fruits