Historical clue formulations

• Japanese vegetable — 2024-06-24
• Japanese salad herb — 2021-03-31
• Japanese vegetable — 2020-07-12
• Japanese salad herb — 2016-07-06
• Japanese vegetable — 2013-01-03
• Japanese vegetable — 2012-09-22
• Its stem is used in miso soup — 2012-06-17
• Japanese vegetable — 2010-10-10
• Vegetable with sushi — 2006-10-15
• Japanese vegetable — 2003-06-17
• Japanese vegetable — 2001-11-18
• Widmark's role in "Kiss of Death" — 2000-09-26
• Japanese salad ingredient — 1999-05-14
• Japanese vegetable — 1995-04-23