TY  - RPRT
TI  - Preliminary results of a study to monitor Cirsium pitcheri in Great Lakes National Lakeshores. Indiana Dunes National Lakeshore Technical Report, Porter, Indiana
AU  - K. McEachern
AU  - J. Magnuson
AU  - N. Pavlovic
PY  - 1989
UR  - https://pubs.usgs.gov/publication/96343
ID  - 96343
ER  -