Also Oikos nursery here in western Michigan - Ken Asmus
Ken's email address is: oak24@aol.com
He offers a number of interesting plants, mostly species that produce
edible fruits, berries, or nuts, with a strong emphasis on oaks -
particularly species and hybrids which have been selected for
precociousness, heavy production, or low-tannin acorns.
All are seedlings, and his prices are quite reasonable.