@misc{indiciae34f6f02c6e4b,
  title = {Introduction, spread, and areal extent of saltcedar (Tamarix) in the Western States},
  author = {T. W. Robinson},
  year = {1965},
  doi = {10.3133/pp491a},
  url = {https://pubs.usgs.gov/publication/pp491A},
  note = {Source identifier: pp491A}
}