From the biology book I’ve been browsing through at Bryant:
“Many mushrooms are extremely colorful. Fungi do not see, so it is unlikely that colorful mushrooms are communicating with one another. One hypothesis is that the colors serve as a warning to animals that eat mushrooms, much like the bright yellow and black stripes on wasps. Design an experiment capable of testing this hypothesis.” (Freeman, 2011, p. 600)
*from: Freeman, S. (2011). Biological science. San Francisco, CA: Pearson Benjamin Cummings.
^check out that awesome APA citation :p