Erica arborea is accepted species in  the family Ericaceae  subfamily: Ericoideae, tribe: Ericeae,  
Genus Erica 
This species is found in Albania, Algeria, Baleares, Bulgaria, Canary Is., Chad, Corse, East Aegean Is., Eritrea, Ethiopia, France, Greece, Italy, Kenya, Kriti, Madeira, Morocco, Portugal, Rwanda, Sardegna, Saudi Arabia, Sicilia, Somalia, Spain, Sudan, Tanzania, Transcaucasus, Tunisia, Turkey, Turkey-in-Europe, Uganda, Yemen, Yugoslavia, Zaïre.