title: Xanthoparmelia arida
text: # Xanthoparmelia arida
  
  Xanthoparmelia arida is a lichen which belongs to the Xanthoparmelia genus. The lichen is an arid shield lichen and is uncommon it is listed as apparently secure by the Nature Conservatory. It is noted for being similar to Xanthoparmelia joranadia.
  
  ## Description
  
  Grows to around 3–8 cm in diameter with board dull yellow-green sub irregular lobes that extend 1–3 mm wide. The underside is pale brown with simple rhizines approximately 0.3-0.6 mm long.
  
  ## Habitat and range
  
  Found in the North American southwest particularly in the US state of Texas.
  
  ## Chemistry
  
  Xanthoparmelia arida has been recorded containing both Lecanoric and usnic acids.
  
  