@misc{indiciae27b7f3d53552,
  title = {American Cretaceous ferns of the genus Tempskya},
  author = {C.B. Read and R.W. Brown},
  year = {1937},
  doi = {10.3133/pp186f},
  url = {https://pubs.usgs.gov/publication/pp186F},
  note = {Source identifier: pp186F}
}