Historical clue formulations

• Botanical bristles — 2025-09-13
• Grain bristles — 2020-03-30
• Grain bristles — 2020-02-01
• Botanical bristles — 2018-12-23
• Plant bristles — 2018-05-17
• Plant bristles — 2014-08-04
• Stiff bristles — 2013-03-29
• Grass appendages — 2013-01-04
• Barley beards — 2009-06-16
• Beards — 2009-01-23
• Plant bristles — 2008-10-20
• Botanical beards — 2005-08-18
• Bristlelike appendages — 2003-08-15
• Barley beards — 2003-06-02
• Beards — 2001-12-23
• Plant bristles — 2001-06-14
• Barley beards — 2001-03-11
• Grass bristles — 2000-08-04
• Barley beards — 2000-01-04
• Plant bristles — 1995-06-28
• Bristles — 1994-12-19
• Bristles — 1994-02-19