Question: Which has more species, Nothofagus or Rhododendron?
Sentence (from "Nothofagus"): Nothofagus, also known as the southern beeches, is a genus of 43 species of trees and shrubs native to the Southern Hemisphere in southern South America (Chile, Argentina) and Australasia (east and southeast Australia, New Zealand, New Guinea and New Caledonia).
Relevant evidence: Yes