@misc{indiciaef0674d30d79f,
  title = {Long-term trends in midwestern milkweed abundances and their relevance to monarch butterfly declines},
  author = {David N. Zaya and Ian S. Pearse and Gregory Spyreas},
  year = {2017},
  doi = {10.1093/biosci/biw186},
  url = {https://pubs.usgs.gov/publication/70190617},
  note = {Source identifier: 70190617}
}