Java Fern (Microsorum Pteropus) is one of the most popular plants in the aquarium hobby thanks to its beauty and easy care. It tolerates a wide range of water parameters and grows well even in low light. Skill Level Easy CO2 Not Required Requires Aqua Soil Not required — epiphyte, attach to hardscape rather than planting Type Rhizome (Epiphyte) Max Height 3-5" Placement Foreground to midground, attached to hardscape Light Level Low to Medium (approx. 20-50 PAR) Origin Indonesia Other Small brown dots on the underside of leaves are normal — these are new plantlets, not disease. Also available in several cultivars: Windelov, Needle Leaf, Petite, Narrow, and mat/mounted formats. Care & Planting: Attach the rhizome to driftwood or rock with thread or glue — do not bury it in substrate, which can cause it to rot. Propagate by cutting or pulling apart the rhizome into sections.