Worms are not indigenous to the continent and so are not part of a forest environment. I'm just getting back into the permi scene after and absence to get my BA in Am. History. I study shit, literally. Speaking of shit and worms, I have two tubs of red wiggler worms for sale, ten dollars per quart yogurt container and my first finished humanure compost, it is beautiful. Contact me to talk permaculture, worms, or the carbon sequestering super powers of composting, or the history of shit! Via Con Compost! Stan