Ivy leaf duckweed (Lemna trisulca floating plant. You will receive 20g of loose Ivy leaf Duckweed see pics DISPATCHED ROYAL MAIL LARGE SO FITS THROUGH LETTER BOX!!!!! These plants are not advised for Hungry goldfish or koi , as they will become a snack right away. The Ivy Leaf Duckweed is a Rare Native Floating plant. They help to keep water clean and free of algae, taking up nutrients directly from the water. Once these oxygenators are growing well they will achieve a natural balance in your Aquarium or pond. This is Ivy leaf Duckweed which is a aquatic plant and more attractive than common duckweed. It provides useful shading and shelter for Fry and shrimp and variety of aquatic invertebrates.