@misc{indiciae0a455a7b2ea8,
  title = {Preliminary results of a study to monitor Cirsium pitcheri in Great Lakes National Lakeshores. Indiana Dunes National Lakeshore Technical Report, Porter, Indiana},
  author = {K. McEachern and J. Magnuson and N. Pavlovic},
  year = {1989},
  url = {https://pubs.usgs.gov/publication/96343},
  note = {Source identifier: 96343}
}