Pollen is one of the most common triggers of seasonal allergies. Many people know pollen allergy as “hay fever.” Experts usually refer to pollen allergy as seasonal allergic rhinitis. Loblolly Pine, Pinus taeda, a common pine tree of the southeastern United States produces pollen each spring causing many people to have allergies and allergic reaction such as sneezing, nasal congestion, runny nose, stuffy head. Photographed in Monroe, Georgia, USA.

圖片編號： 112509889
拍攝者： Williamwise1