Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
| Allergen | Family | Genus | Common name |
|---|---|---|---|
| Tree pollen | Betulaceae | Alnus | Alder |
| Betula | Birch | ||
| Corylus | Hazel | ||
| Fagaceae | Quercus | Oak | |
| Fagus | Beech | ||
| Taxodiaceae | Cryptomeria | Japanese cedar | |
| Weed pollen | Asteraceae/Compositae | Ambrosia | Ragweed |
| Artemisia | Mugwort | ||
| Canabaceae | Humulus | Japanese hop | |
| Grass pollen | Pooideae | Lolium | Rye grass |
| Dactylis | Orchard grass | ||
| Phleum | Timothy grass | ||
| Poa | Kentucky blue grass | ||
| Chloridoideae | Cynodon | Bermuda grass |
