Crowberry
Bog billbery. These berries look rather like blueberries but are not as nice.
Chickweed. A plant which grows wild near streams and on wasteland and may be eaten raw in salads, cooked in the same way as spinach or used to make soup.
Lingonberry or cowberry. Red whortleberry. It is similar to a cranberry.
Bilberry or whortleberry.