Isolated but not alone: a rare plant attracts a greater diversity of floral visitors than a common plant in Teucrium (Lamiaceae)
In the south of France, in the Parc national des Calanques, Teucrium polium subsp. purpurascens (Lamiaceae) is a rare and endangered plant, confined mainly to the Frioul archipelago, the habitat of the Calanques National Park.