| fern → HasPrerequisite → moist soil | 0.59 | |
| fern → HasPrerequisite → shade | 0.52 | |
| fern → HasPrerequisite → little maintenance | 0.43 | |
| fern → HasPrerequisite → high humidity | 0.41 | |
| fern → HasPrerequisite → moist, shady spot | 0.38 | |
| fern → HasPrerequisite → water | 0.36 | |
| fern → HasPrerequisite → less water | 0.30 | |
| fern → HasPrerequisite → frequent misting | 0.25 | |
| fern → HasPrerequisite → little fertilizer | 0.25 | |
| fern → HasPrerequisite → lots of shade and ambient | 0.25 | |
| fern → HasPrerequisite → pliantly | 0.25 |