Botanical survey of Northern California.
D000485:Allergens; D002140:California; D003625:Data Collection; D031314:Geraniaceae; D006801:Humans; D011058:Pollen; D006255:Rhinitis, Allergic, Seasonal / Q000209:etiology*
D000485:Allergens
HAY FEVER/etiology and pathogenesis; POLLEN