| Answer | Crossword Clue |
|---|---|
| RYEGRASSES | Hay-fever pollen sources |
| ragweed | plant whose pollen causes hay fever |
| pollenosis | allergic reaction to pollen; hay-fever also POLLINOSIS |
| pollenoses | POLLENOSIS, allergic reaction to pollen; hay-fever also POLLINOSIS |
| pollinosis | an allergic reaction to pollen; hay-fever also POLLENOSIS |
| pollinoses | POLLINOSIS, an allergic reaction to pollen; hay-fever also POLLENOSIS |
| ragweeds | A North American plant of the daisy family. Its tiny green flowers produce copious amounts of pollen, making it a major causative agent of hay fever in some areas |
