Does Dryopteris or Adenanthos have more species?
Dryopteris: Dryopteris , commonly called wood fern, male fern (referring in particular to "Dryopteris filix-mas"), or buckler fern, is a genus of about 250 species of ferns with distribution in Eastern Asia, the Americas, Europe, Africa, and the Pacific islands, with the highest species diversity in eastern Asia. Adenanthos:  The type species is "Adenanthos cuneatus", and 33 species are recognised.
Dryopteris