title: F. ferruginea
text: # F. ferruginea
  
  F. ferruginea may refer to:
  
  * Fimbristylis ferruginea, the rusty sedge, a plant species
  * Freziera ferruginea, a plant species endemic to Peru
  
  ## Synonyms
  
  Fagus ferruginea (disambiguation) may refer to one of the beech tree species:
  
  * Fagus ferruginea Dryand., a synonym for Fagus grandifolia subsp. grandifolia (American Beech)
  * Fagus ferruginea var. caroliniana Loudon, also a synonym for Fagus grandifolia subsp. grandifolia
  * Fagus ferruginea Siebold (Invalid), a synonym for Fagus crenata Blume (Japanese beech)
  