@misc{indiciae98e41416c2a9,
  title = {Arizona hedgehog cactus (Echinocereus triglochidiatus var. arizonicus)—A systematic data assessment in support of recovery},
  author = {Kathryn A. Thomas and Daniel F. Shryock and Todd Esque},
  year = {2019},
  doi = {10.3133/ofr20191004},
  url = {https://pubs.usgs.gov/publication/ofr20191004},
  note = {Source identifier: ofr20191004}
}