@misc{indiciaebea6612925fd,
  title = {Vascular plant and vertebrate species richness in national parks of the eastern United States},
  author = {Jeffrey S. Hatfield and Kaci E. Myrick and Michael A. Huston and Floyd W. Weckerly and M. Clay Green},
  year = {2013},
  url = {https://pubs.usgs.gov/publication/70047837},
  note = {Source identifier: 70047837}
}