To cite WorldFlora in publications use:

Kindt R (2020). “WorldFlora: An R package for exact and fuzzy matching of plant names against the World Flora Online taxonomic backbone data.” Applications in Plant Sciences, 8(9), e11388.

Corresponding BibTeX entry:

  @Article{,
    title = {WorldFlora: An R package for exact and fuzzy matching of
      plant names against the World Flora Online taxonomic backbone
      data},
    volume = {8},
    number = {9},
    pages = {e11388},
    language = {en},
    journal = {Applications in Plant Sciences},
    author = {Roeland Kindt},
    year = {2020},
  }