| Clue | Source | Date |
|---|---|---|
| Wetland plant that lends its name to a set of Walt Whitman poems | ||
| Sweet flag species of Acorus genus - mistaken as a culm (7) | ||
| Quill writer Albert used to pen his article | The Telegraph Toughie | 26 Apr 2023 |
| Hollow lower part of a feather's shaft | The Times Specialist Sunday | 20 May 2018 |