@book{linnaeus1753species,
  author    = {Linnaeus, Carl},
  title     = {Species Plantarum},
  year      = {1753},
  publisher = {Impensis Laurentii Salvii},
  address   = {Stockholm}
}
@misc{kew2026powo,
  author       = {{Royal Botanic Gardens, Kew}},
  title        = {Plants of the World Online (POWO)},
  year         = {2026},
  howpublished = {https://powo.science.kew.org/}
}
@book{ema2025herbal,
  author    = {{European Medicines Agency (EMA) Committee on Herbal Medicinal Products (HMPC)}},
  title     = {European Union Herbal Monographs and List Entries},
  year      = {2025},
  publisher = {European Medicines Agency},
  address   = {Amsterdam}
}