. . . "Northern bilberry"@en . "Northern bilberry shrubs appear on suitable maps fifty percent of the time. They can occur in as many as thirty groups of up to two plants, with a maximum of thirty plants per local map."@en . "Northern bilberry shrubs appear on suitable maps fifty percent of the time. They can occur in as many as thirty groups of up to two plants, with a maximum of thirty plants per local map."@en . .