Historical clue formulations

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