Aquarium Plants Java Fern - Both Varieties: ((Attached and ready on a water dragon stone)) First Variety // Long Leaves Second Variety // Short Leaves Note // Both varieties belong to the same family. The difference is only in external appearance. Easy plant, does not require CO2. Does not require professional lighting. Tolerates conditions. Propagates through leaves. It can also be placed in any tank as is, with the stone it's attached to. It is also possible to cut the attachment thread and re-attach the plant to submerged wood or any object inside the tank.