@misc{indiciae06937956427f,
  title = {Ecoregions of California},
  author = {Glenn E. Griffith and James M. Omernik and David W. Smith and Terry D. Cook and Ed Tallyn and Kendra Moseley and Colleen B. Johnson},
  year = {2016},
  doi = {10.3133/ofr20161021},
  url = {https://pubs.usgs.gov/publication/ofr20161021},
  note = {Source identifier: ofr20161021}
}