To cite rWCVP, please use:

  Brown M.J.M., Walker B.E., Black N., Govaerts R., Ondo I., Turner R.,
  Nic Lughadha E. (2023). rWCVP: A companion R package to the World
  Checklist of Vascular Plants. New Phytologist, 240: 1355-1365.
  version 1.3.0.

A BibTeX entry for LaTeX users is

  @Article{,
    author = {Matilda J. M. Brown and Barnaby E. Walker and Nicholas Black and Rafaël Govaerts and Ian Ondo and Robert Turner and Eimear {Nic Lughadha}},
    note = {version 1.3.0},
    year = {2023},
    journal = {New Phytologist},
    title = {rWCVP: A companion R package to the World Checklist of Vascular Plants.},
  }

To cite the WCVP dataset, please use: Govaerts, R., Nic Lughadha, E.,
Black, N. et al. The World Checklist of Vascular Plants, a continuously
updated resource for exploring global plant diversity. Sci Data 8, 215
(2021). https://doi.org/10.1038/s41597-021-00997-6