@misc{indiciae3848587c2b81,
  title = {Report upon United States geological surveys west of the one hundredth meridian, Volume VI: Botany},
  author = {George Montague Wheeler},
  year = {1878},
  doi = {10.3133/70039256},
  url = {https://pubs.usgs.gov/publication/70039256},
  note = {Source identifier: 70039256}
}