@misc{indiciaef870c0a0c0d0,
  title = {Taxonomic affinities of Arctostaphylos and Ceanothus cultivars},
  author = {Jon E. Keeley and M.B. Keeley},
  year = {1994},
  url = {https://pubs.usgs.gov/publication/1017407},
  note = {Source identifier: 1017407}
}