I'd say it goes further: there's patches of fungus (extending for acres, sometimes) that cultivate the forest cover that grows over them. In my area they like s

I'd say it goes further: there's patches of fungus (extending for acres, sometimes) that cultivate the forest cover that grows over them. In my area they like sumacs, cedars, orchids, and several other things. The otherwise dominant oaks, sweet gums and tulip poplars can't get a hold on those patches of land, even after a clear cut "restart". Frequently morels are near these areas.