@misc{indiciaea66ab107e68e,
  title = {A study plan to inventory vascular plants and vertebrates: Sonoran Desert Network, National Park Service},
  author = {K. Davis and W. L. Halvorson},
  year = {2000},
  url = {https://pubs.usgs.gov/publication/96996},
  note = {Source identifier: 96996}
}