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.
Yellowwood trees (Cladrastis kentukea), also referred to as America yellowwoods, are flowering trees with pods; these trees display white, fragrant, summer flowers with green, deciduous leaves followed by 3 to 4 inch long whitish-grey pods that last through winter.