SPORES
| Date | Clue |
|---|---|
| 2025-01-25 | Reproductive cells |
| 2024-06-10 | Mushroom's reproductive cells |
| 2022-02-16 | Mushrooms produce them |
| 2021-03-05 | They may be blowing in the wind |
| 2019-06-08 | Palynologists study them |
| 2015-03-27 | Future ferns |
| 2010-07-27 | Future ferns |
| 2009-03-08 | Puffball contents |
| 2005-11-27 | Future ferns |
| 2004-11-18 | Plant reproducers |
| 2004-07-31 | They may be blowing in the wind |
| 2003-05-25 | Seeds |
| 2003-03-03 | Ferns reproduce with them |
| 2001-08-12 | Seeds |
| 1997-11-24 | Plant reproductive bodies |
| 1995-06-14 | Mushroom features |