What Types Of Pollen Are There?
What Types Of Pollen Are There? Grass pollen. Tree pollen. Tree pollen season begins late March and continues till mid-May. … Weed pollen. Different regions have different pollen counts. What are the 4 types of pollen? Birch Pollen. The dreaded birch pollen allergy is one of the most common. … Oak pollen. … Pine pollen.