Background : The Allergy Department of Alcázar de San Juan, in the Mancha Centro Hospital (ASJ- MCH), Ciudad- Real, Spain, attends patients with respiratory allergy to pollen of different species, such as Salsola kali . Patients mono- sensitive have symptoms in late sum-mer, in the pollination time of Salsola , but also in spring, when there is pollination time of other species such as Olea europaea . It is de-...