Common Plants and Trees That Trigger Allergies
birch tree
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Birch
If it’s spring and you’re sneezing, these trees might be part of the problem. They grow throughout the continental U.S., except in the southernmost and westernmost states, and their pollen is very likely to trigger allergies. They’re often planted in yards and other landscaping because people like the way they look -- the telltale white bark makes them easy to spot.
https://www.webmd.com/allergies/ss/slideshow-plants-trees
