| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| Sori are clusters of spore-producing structures on these nonflowering plants | ferns | $1,600 | DJ | YOU DON'T BRING ME FLOWERS | 2005-06-24 | #4805 | |
| For houseplants, popular ones of these include the bird's-nest, rabbit's-foot & Boston | ferns | $100 | J | PLANTS & TREES | 1993-10-21 | #2099 | |
| These fronded plants were the most common type on Earth 300 million years ago | ferns | $600 | DJ | PLANTS | 1989-07-18 | #1142 |