To cite package ‘setariaviridis’ in publications use:

  Ando K (2025). _setariaviridis: Field-Collected Data of Green
  Foxtail_. R package version 0.1.0,
  <https://CRAN.R-project.org/package=setariaviridis>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {setariaviridis: Field-Collected Data of Green Foxtail},
    author = {Keisuke Ando},
    year = {2025},
    note = {R package version 0.1.0},
    url = {https://CRAN.R-project.org/package=setariaviridis},
  }