| Sneeze cause |
| Pollen source |
| Sneeze inducer |
| Sneeze trigger |
| Sneeze starter |
| Common allergen |
| Sneeze promoter |
| Sneezer's plant |
| Allergy inducer |
| Hay-fever cause |
| Pollen producer |
| Sunflower cousin |
| Hay-fever source |
| Allergen producer |
| Seasonal irritant |
| Cause of hay fever |
| Pollen count plant |
| Allergy sufferer's bane |
| Cause of some allergy flare-ups |
| Pollen-producing plant responsible for many allergic reactions |