Revisors of major groups within this database:


Ferns / Danaea, Salpichlaena, Metaxya: Hanna Tuomisto (July 2021)

Polypodiaceae subfam. Grammitidoideae: Barbara Parris (September 2020)

Papaveraceae subfam. Fumarioideae: Magnus Lidén (Summer 2018)

Ferns of India and Nepal: Christopher Fraser-Jenkins (Winter 2019)


Many others contributed advice on the genus and species level. They are all acknowledged in the header of the genera.