The land, water and air around us are chock-full of DNA fragments from fungi that mycologists can’t link to known organisms. These slippery beings are so widespread scientists are calling them “dark fungi.” It’s a comparison to the equally elusive dark matter and dark energy that permeates the universe.
So they’re basically everywhere. Invisible. Waiting. Hiding. Lurking. Bidding their time. Until one day, at just the correct moment, their fungal hive mind will reach critical mass, and their assimilation of humanity will be complete.