@misc{indiciae2fab0165144a,
  title = {Characters in Arctostaphylos taxonomy},
  author = {Jon E. Keeley and V. Thomas Parker and Michael C. Vasey},
  year = {2017},
  doi = {10.3120/0024-9637-64.4.138},
  url = {https://pubs.usgs.gov/publication/70195025},
  note = {Source identifier: 70195025}
}