On the cover - false ragweed.
Richard W
RW
Weber
D000485:Allergens / Q000009:adverse effects*; D031164:Ambrosia / Q000033:anatomy & histology / Q000276:immunology*; D006801:Humans; D010940:Plant Proteins / Q000009:adverse effects* / Q000276:immunology; D011058:Pollen / Q000009:adverse effects*; D006255:Rhinitis, Allergic, Seasonal / Q000209:etiology*
D000485:Allergens; D010940:Plant Proteins