Which genus, Farfugium or Comptonia contains more species?
Comptonia (plant) Comptonia is a monotypic genus (containing only Comptonia peregrina) in the family Myricaceae, order Fagales. It is native to eastern North America, from southern Quebec south to the extreme north of Georgia, and west to Minnesota. The common name is sweetfern or sweet-fern, a confusing name as it is not a fern.
Radiofilum In taxonomy, Radiofilum is a genus of green algae, specifically of the Trebouxiophyceae.