Related Clues:
- Bit of aquatic flora
- Green tree-hugger?
- Green growth a hiker might slip on
- Bit of gunk on a fountain
- Green growth on a rock
- Carrie-Anne of "The Matrix"
- Velvety growth in a forest
- Slippery hazard for a hiker
- Velvety green growth studied by bryologists
- Bit of 42-Across
- Fuzz in a forest
- Fuzz on a rock
- Rootless plant used in some street art