@misc{indiciaea1367fbf4211,
  title = {National Park Service and the USA National Phenology Network},
  author = {Jake Weltzin and Theresa M. Crimmins and Erin E. Posthumus and Alyssa Rosemartin},
  year = {2018},
  url = {https://pubs.usgs.gov/publication/70198914},
  note = {Source identifier: 70198914}
}