@misc{indiciaef72b7845d98c,
  title = {Submersed aquatic plants of the tidal Potomac River},
  author = {Virginia Carter and Patricia T. Gammon and Nancy C. Bartow},
  year = {1983},
  doi = {10.3133/b1543},
  url = {https://pubs.usgs.gov/publication/b1543},
  note = {Source identifier: b1543}
}