| Sample ID | Concentration µM | Lettuce | Bentgrass |
| αβ-dehydrocurvularin (1) | 0 | 0 | 0 |
| 1 | 0 | 0 | |
| 3 | 1 | 0 | |
| 10 | 1 | 0 | |
| 33 | 1 | 0 | |
| 100 | 1 | 0 | |
| 333 | 3 | 3 | |
| 1000 | 4 | 4 | |
| Curvularin (2) | 0 | 0 | 0 |
| 1 | 0 | 0 | |
| 3 | 1 | 0 | |
| 10 | 2 | 0 | |
| 33 | 2 | 0 | |
| 100 | 2 | 0 | |
| 333 | 2 | 1 | |
| 1000 | 3 | 1 | |
| Monoacetyl-dehydrocurvularin (3) | 10 | 0 | 0 |
| 100 | 0 | 0 | |
| 1000 | 1 | 1 | |
|
|
|
| |
| Diacetyldehydrocurvularin (4) | 10 | 2 | 0 |
| 100 | 2 | 0 | |
| 1000 | 3 | 1 |