Hay fever plants in Oklahoma.
More than 181 species of Oklahoma hay fever plants were identified. These are listed with their relative allergenicity and distribution within six major botanical zones of the state.
D009825:Oklahoma; D010944:Plants; D006109:Poaceae / Q000276:immunology; D011058:Pollen / Q000276:immunology; D006255:Rhinitis, Allergic, Seasonal / Q000209:etiology*; D014197:Trees