Related Clues:

• Morsel for a guppy
• A rolling stone gathers none of it
• Sea grass, e.g
• Terrarium staple
• Small flowerless plant(s)
• Creepy thing
• Chile affected by first notification growth on the rocks
• Mossy growth
• Anabaena or chlorella
• It carpets moist shady places
• Minuscule lake plant
• Stagnant water growth
• Bit of stagnant-water growth
• Former NFL receiver Randy
• Matted growth on trees, etc.