Related Clues:
- Plant growing in dense mats
- A seaweed
- Type of plant growing in damp places
- Small plants growing as thick mat
- Seaweed plant
- Plant(s) not wanted on lawns
- Most of my lawn!
- Primitive non-flowering, mainly aquatic, plant
- Small flowerless green plant without proper roots
- Nature's pillow?
- Growth on a rock
- What rolling stones don't gather
- Seaweed found in botanical garden
- Phycological unit
- Forest-floor plant