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District of Columbia
Click links below to learn more about allergenic grasses, trees, and weeds specific to your region of the state. Cross-reactive species and insect-pollinated species are also identified.
View Allergenic Grasses of the District of Columbia | View Allergenic Trees of the District of Columbia | View Allergenic Weeds of the District of Columbia
Download a PDF of all District of Columbia allergens.
For current pollen counts visit www.pollen.com or enter a zip code below.
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