"Fungus gnats" refers to small flying insects that are commonly found around plants and mushrooms. They prefer damp and decaying environments, like the soil of potted plants. Full definition
However, direct observation of their ecosystem has revealed that they are mainly pollinated by fungus gnats, probably thanks to their resemblance to mushrooms. (sciencedaily.com)
«The tip of an iceburg: Four new fungus gnat species from the Scandinavian north.» (sciencedaily.com)
In 2009 there were reports of fungus gnats visiting the A. elatior flowers. (sciencedaily.com)