Historical clue formulations

• Common plant for a "plant mom" — 2026-09-18
• Spore-producing plant — 2026-02-22
• Leaves in a waiting room? — 2026-02-05
• Seedless plant — 2024-12-06
• Plant in a stegosaurus's diet — 2024-10-22
• Plant with fronds — 2024-09-10
• Fiddlehead producer — 2024-05-08
• Bracken, e.g. — 2023-03-18
• Plant with no flowers or seeds — 2023-02-26
• Nonflowering plant — 2020-07-24
• Spore-producing plant — 2020-04-01
• Plant with fronds — 2020-02-10
• Spore producer — 2020-01-26
• Green housewarming gift — 2018-11-04
• Bit of office greenery — 2017-11-01
• Shade of green — 2017-04-29
• Plant with spores — 2017-02-02
• Item by many a reception desk — 2017-01-29
• Bit of office greenery — 2014-07-29
• Frond bearer — 2014-07-16
• Flowerless plant — 2014-07-08
• Bit of office greenery — 2014-01-05
• Office plant — 2013-08-26
• Plant with fronds — 2013-05-13
• "Charlotte's Web" girl — 2013-03-03
• Crayola color since 1998 — 2012-10-04
• Shedder of spores — 2012-05-04
• Decorative plant — 2011-06-14
• Plant with fronds — 2011-05-02
• Pteridologist's specimen — 2009-07-11
• Bit of green in a floral display — 2009-06-02
• Fronded plant — 2008-02-03
• Common green house gift — 2006-12-24
• Adder's-tongue or Venus's-hair — 2006-12-15
• Woods plant — 2004-12-21
• Spore source — 2004-03-14
• Spore producer — 2004-01-21
• See 103-Across — 2004-01-11
• Popular house gift — 2003-10-12
• Plant with fiddleheads — 2003-07-27
• Adder's-tongue, e.g. — 2002-06-16
• Terrarium plant — 2001-11-22
• Bracken, for one — 2001-03-04
• Bit of greenery — 2000-11-05
• Forest plant — 2000-09-11
• Plant with a frond — 2000-01-11
• Forest growth — 1999-01-28
• Fossil impression — 1997-07-04
• Terrarium plant — 1997-03-26
• Moonwort, for one — 1995-10-15