@misc{indiciae9e64140e932c,
  title = {The effect of drought on Engelmann prickly pear (cactaceae: Opuntia engelmannii) fruit and seed production},
  author = {Janice E. Bowers},
  year = {1997},
  url = {https://pubs.usgs.gov/publication/70020056},
  note = {Source identifier: 70020056}
}