Sorbus pseudofennica
 Sorbus pseudofennica (also called Arran Service Tree or Arran cut-leaved Whitebeam) is a species of plant in the Rosaceae family. It is a naturally occurring hybrid caused by the Rock Whitebeam (Sorbus rupicola) hybridising with the Rowan (Sorbus aucuparia) then crossing back with S. aucuparia. It is endemic to the Isle of Arran in Scotland United Kingdom and is threatened by habitat loss.