For one fungal species information can definitely be shared within a network. Between species the nature of communication gets more complicated, especially given that different species can be at cross purposes. For example within a soil we may have some fungi working collaboratively with trees (mutualists) and others trying to attack roots (pathogens). Or two mutualists can be competing for space with each other on a root! It’s a whole complex world in the soil, and we are only beginning to understand what fungi can do, and how they can interact and communicate. But the array of potential signals - collaborative and competitive- out there is super interesting. Probably digressing but I do love fungi.