Edit. After Black September's assassination of Israeli athletes at the Munich Olympics in 1972, Prime Minister Golda Meir okays a black-box operation to hunt down and kill all involved.
Yellow pollen is produced by evergreen trees, primarily pine trees, including spruce, true cedar trees, fir trees, larch and hemlock. Although yellow pollen looks like it could cause an allergic reaction, in reality it does not trigger allergy symptoms at all. It can stain the skin and clothing, however.
Oak Pollen Allergy Symptoms. Oak tree pollen causes allergy symptoms in the late winter and spring. Overview. Spring brings leaves to the oak trees and sends oak pollen into the air, causing millions of allergy sufferers to reach for the antihistamines and tissue.