@misc{indiciaecd4810a3bc8d,
  title = {The Laramie flora of the Denver Basin, with a review of the Laramie problem},
  author = {F. H. Knowlton},
  year = {1922},
  doi = {10.3133/pp130},
  url = {https://pubs.usgs.gov/publication/pp130},
  note = {Source identifier: pp130}
}