@misc{indiciaee8fca7a9d9e9,
  title = {Covariance of lichen and vascular plant floras},
  author = {J. P. Bennett and C. M. Wetmore},
  year = {1999},
  url = {https://pubs.usgs.gov/publication/1003708},
  note = {Source identifier: 1003708}
}