| PRE Score | Year | Evaluation | Questions Answered | Screener Confidence |
|---|---|---|---|---|
| 12 | 2025 | Euphorbia dentata -- Oregon | 20 | 67 % |
| 18 | 2025 | Celastrus orbiculatus -- Oregon | 20 | 84 % |
| 10 | 2022 | Lychnis coronaria -- Oregon | 19 | 60 % |
| 19 | 2022 | Echium vulgare -- Oregon | 20 | 81 % |
| 16 | 2022 | Rhinanthus minor -- Oregon | 20 | 78 % |
| 14 | 2022 | Securigera varia -- Oregon | 20 | 75 % |
| 19 | 2022 | Cotoneaster franchetii -- Oregon | 20 | 75 % |
| 16 | 2021 | Geranium robertianum -- Oregon | 20 | 77 % |
| 12 | 2021 | Aegopodium podagraria -- Oregon | 20 | 68 % |
| 8 | 2021 | Pentaglottis sempervirens -- Oregon | 20 | 63 % |