@misc{indiciae26222eaea1f3,
  title = {North American Mesozoic Charophyta},
  author = {R.E. Peck},
  year = {1957},
  doi = {10.3133/pp294a},
  url = {https://pubs.usgs.gov/publication/pp294A},
  note = {Source identifier: pp294A}
}