hˈækbɛɹiz ɹˈeɪndʒ ˌoʊvɚlˈæps wɪððə ʃˈʊɡɚbˌɛɹi kˈɛltiz lˌiːvɪɡˈɑːɾə, mˌeɪkɪŋ ɪt dˈɪfɪkəlt tʊ ɪstˈæblɪʃ ðɪ ɛɡzˈækt ɹˈeɪndʒ ʌv ˈiːðɚ spˈiːsiːz ɪnðə sˈaʊθ.
Hackberry's range overlaps with the sugarberry (Celtis laevigata), making it difficult to establish the exact range of either species in the South.