@misc{indiciae6ba4ceabf2fa,
  title = {A preliminary study of variation of Trapa in Japan},
  author = {Yasuro Kadono},
  year = {2018},
  doi = {10.3133/ofr20181075},
  url = {https://pubs.usgs.gov/publication/ofr20181075},
  note = {Source identifier: ofr20181075}
}