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.
Comments. Submit. Pollen, a substance that is required for the fertilization of plants, is most often pictured as a yellowish dust. This is partly because many coniferous tree pollens (and those that most often cause allergies in humans) are a shade of yellow.omments. Submit. Pollen, a substance that is required for the fertilization of plants, is most often pictured as a yellowish dust. This is partly because many coniferous tree pollens (and those that most often cause allergies in humans) are a shade of yellow.