title: Derv
text: Derv a reer eus un niver bras a wez pe brousgwez eus ar genad Quercus hag eus un nebeud genadoù tost evel Lithocarpus. A-orin eus an hantervoul norzh eo an derv.
  
  Daveoù 
  Byfield, Liz (1990) : Book Bus: An Oak Tree Independent Phase 1, Collins book bus, London : Collins Educational  
  Logan, William B. (2005) Oak : the frame of civilization, New York ; London : W.W. Norton  
  Paterson, R.T. (1993) Use of trees by livestock – 5: Quercus, Chatham : Natural Resources Institute 
  Royston, Angela (2000) Oak Trees (Life Cycles), Heinemann first library, Oxford : Heinemann Library  
  Savage, Stephen (1994) Oak tree (Observing Nature), Hove : Wayland  
  Tansley, Arthur G., Sir (1952) : Oaks and oak woods, Field study books, London : Methuen
  
  Liammoù diavaez 
  
   Flora of China - Cyclobalanopsis
   Flora Europaea: Quercus
  
  Gwez
  Quercus
  Fagaceae
  -