@misc{indiciae7a31e0260650,
  title = {Quasi-extinction risk and population targets for the Eastern, migratory population of monarch butterflies ( Danaus plexippus )},
  author = {Brice X. Semmens and Darius J. Semmens and Wayne E. Thogmartin and Ruscena Wiederholt and Laura Lopez-Hoffman and James E. Diffendorfer and John M. Pleasants and Karen S. Oberhauser and Orley R. Taylor},
  year = {2016},
  doi = {10.1038/srep23265},
  url = {https://pubs.usgs.gov/publication/70170288},
  note = {Source identifier: 70170288}
}