title: Juncus stygius
text: # Juncus stygius
  
  Juncus stygius, called the bog rush and moor rush, is a species of flowering plant in the genus Juncus, with a high circumboreal distribution, never reaching further south than Switzerland, Korea and Upstate New York.
  
  ## Subtaxa
  
  The following subspecies are currently accepted:
  
  * Juncus stygius subsp. americanus (Buchenau) Hultén – Korea, Pacific coastal Russia, Alaska, Canada, United States
  * Juncus stygius subsp. stygius – Eurasia less Korea and Pacific coastal Russia
  