“The more we learn about these underground networks, the more our ideas about plants have to change. They aren’t just sitting there quietly growing. By linking to the fungal network they can help out their neighbours by sharing nutrients and information — or sabotage unwelcome plants by spreading toxic chemicals through the network. This “wood wide web”, it turns out, even has its own version of cybercrime.“

(An old article from November 2014 that I just came across: The Internet of Plants.)