@misc{indiciae616665c4bdf0,
  title = {Supplement to catalogue of Mesozoic and Cenozoic plants of North America, 1919-37},
  author = {Robert Smith LaMotte},
  year = {1944},
  doi = {10.3133/b924},
  url = {https://pubs.usgs.gov/publication/b924},
  note = {Source identifier: b924}
}