Question: Which genus has more species Adiantum or Nasturtium ?
Sentence (from "Nasturtium (genus)"): Nasturtium is a genus of seven plant species in the family Brassicaceae (cabbage family), best known for the edible watercresses "Nasturtium microphyllum" ("Rorippa microphylla") and "Nasturtium officinale" ("R. nasturtium-aquaticum").
Relevant evidence: Yes