@misc{indiciae6b7f76f11fd0,
  title = {Butterfly monitoring protocol for four prairie parks},
  author = {D. Debinski and S. Mahady and W.M. Rizzo and G.D. Willson},
  year = {2000},
  url = {https://pubs.usgs.gov/publication/93786},
  note = {Source identifier: 93786}
}