There is a small isolated pocket at the southern end of Lake Manitoba. Hackberry's range overlaps with the sugarberry (Celtis laevigata), making it difficult to establish the exact range of either species in the South.
At the southern part of Lake Manitoba, there is a small isolated region. The habitat of hackberry overlaps with that of sugarberry (Celtis laevigata), making it hard to determine the precise distribution of either species in the Southern area.