Casuarina equisetifolia
Other than ornamental purposes, the "Casuarina" was also explored in for its potential in remediation of textile dye wastewater. "Casuarina" leaves were found to be useful as absorbent material for the removal of textile dyes such as reactive orange 16 Rhodamine B, methylene blue, malachite green and methyl violet 2b. Similarly the "Casuarina" dried cone was also reported to be able to remove Rhodamine B, and methyl violet 2b. The "Casuarina" bark was reported to able to remove methylene blue. Even the "Casuarina" seed was also found to be useful in dye removal of neutral red and malachite green. The carbon derived from the cones of "Casuarina" was found to be good absorbent for the landfill leachate, while another laboratory also reported good absorbent for copper ions from aqueous solution. "Casuarina equisetifolia" Lin. (Casuarinaceae) has been used traditionally for treating inflammation, cancer and other diseases, but its efficacy has not been scientifically examined in treating arthritis; the bark extract showed anti-arthritic activity. Methanolic extract of "Casuarina equisetifolia" fruit contain significant percentage of secondary metabolite like poly phenol, it showed antioxidant and anti-arthritic activity. Methanolic extract of "Casuarina equisetifolia" Lin. Leaf against Ehrlich Ascites Carcinoma Induced Cancer in Mice; possess protective action on the hemopoietic system.