Question: Which has more species, Nothofagus or Rhododendron?
Sentence (from "Rhododendron catawbiense"): Rhododendron catawbiense, with common names Catawba rosebay, Catawba rhododendron, mountain rosebay, purple ivy, purple laurel, purple rhododendron, red laurel, rosebay, rosebay laurel, is a species of "Rhododendron" native to the eastern United States, growing mainly in the southern Appalachian Mountains from Virginia south to northern Alabama.
Relevant evidence: No