From what I understand it's one of the largest organisms on the planet.
In terms of mass, it is. The largest in terms of area is the Great Barrier Reef in Australia.
I had to look it up....it’s at Fishlake National Forest, Colorado Plateau, Utah. Fascinating to read about it....thanks.
We have a forest-floor very low-growing evergreen (sort of) here in southern New England called "princess pine" that people used to seek out & ripup for Xmas decos, turns out to be the same kind of root system/genetics over entire forest.