Question: Which flowering plant is native to Central America, Helictotrichon or Odontonema?
Sentence (from "Helictotrichon pubescens"): Helictotrichon pubescens, downy oat-grass or downy alpine oatgrass, also known by its synonym "Avenula pubescens", is a species of flowering plant in the Poaceae family.
Relevant evidence: No