@misc{indiciae0d189dab5a8b,
  title = {Vascular Plant and Vertebrate Inventory of Organ Pipe Cactus National Monument},
  author = {Cecilia A. Schmidt and Brian F. Powell and William L. Halvorson},
  year = {2007},
  doi = {10.3133/ofr20061076},
  url = {https://pubs.usgs.gov/publication/ofr20061076},
  note = {Source identifier: ofr20061076}
}