Sources

Conservatoire et Jardin botaniques de Genève
https://www.cjbg.ch/

IUCN
International Union for Conservation of Nature
https://www.iucnredlist.org/

GBIF
Global Biodiversity Information Facility
https://www.gbif.org/

IPNI
International Plant Names Index
https://www.ipni.org/

BHL
Biodiversity Heritage Library
https://www.biodiversitylibrary.org/

Royal Botanic Gardens Kew
Plant of the World Online
https://powo.science.kew.org/

INPN
Inventaire National du Patrimoine Naturel
https://inpn.mnhn.fr/

Royal Botanic Garden Edinburgh
https://data.rbge.org.uk/search/herbarium/

i naturalist
https://www.inaturalist.org/