Microsorum pteropus is a water fern from Asia, 15-30 cm tall. To be grown on a root or stone, attached with fishing line until it has gained a hold. If planted in the bottom, do not cover the rhizome because it will rot. Easy to propagate by splitting the horizontal rhizome. A hardy plant that grows in all conditions. The black spots under the leaves are sporangia (reproductive organs), not signs of disease, as many believe. Plant length estimate 11-15cm long. Light demand: low CO2 demand: low DISCLAIMER: We are not responsible for any pests or algae that may come with the plants. It is the buyer's responsibility to quarantine the plants before adding them to their aquarium. ***********IMPORTANT************ These Java Fern WILL come with minor defects such as small black dots or some parts which have discolored. This is completely normal and is typical of Java Fern (if you are new to plants). They WILL NOT look as perfect as shown in the display picture. If you are not comfortable. PLEASE don't buy. We WILL NOT entertain any refund or complain regarding such minor defects as all of our plants are not perfect.