Related Clues:

• Green growth
• Aquatic organism
• Aquarium problem
• Pond plant
• Pseudopod former
• Seaweed, for one
• Pond life
• Pond growth
• Early bird's breakfast
• Primitive water plant
• One-celled protozoan
• Bit of seafloor flora
• Despicable one
• Tiny pond plant
• Single-celled creature