Someone donated these plants to us and we are making a Complete List of edible shrubs. Here is a list of good ones I know so far and they are all good sources of food:
asimina triloba (pawpaw)
ginkgo biloba
cornus mas macrocarpa
cornus kousa
poncirus trifoliata
amelanchier obovalis
akebia quinata
decaisnea fargesiiilex verticillata
hovenia dulcis
aronia melanocarpa
schisandra chinensis
eleagnus multiflora
phyllostachys
petasites japonica
gleditsia triacanthos
Offered by Hans.