@misc{indiciaee37362dd370c,
  title = {Alien plants of Anacapa, Santa Barbara, and San Miguel in Channel Islands National Park, California. Report to the Superintendent, Channel Islands National Park},
  author = {W. L. Halvorson and R.A. Clark and C.R. Soiseth},
  year = {1993},
  url = {https://pubs.usgs.gov/publication/96709},
  note = {Source identifier: 96709}
}