title: Hay fever plants in Oklahoma.
abstract: 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.
mesh_terms: D009825:Oklahoma; D010944:Plants; D006109:Poaceae / Q000276:immunology; D011058:Pollen / Q000276:immunology; D006255:Rhinitis, Allergic, Seasonal / Q000209:etiology*; D014197:Trees