Casuarina Equisetfolia is a plant species known for its distinctive thin needles and conical shape. There are many synonyms for this species, including Australian Pine, Ironwood, Beefwood, and She-Oak. Other common names include Horsetail Casuarina, Whistling Pine, and Filao. The tree is native to Australia, but has been introduced to many other regions, including Southeast Asia and various tropical regions around the world. It is often used in reforestation projects due to its resilience and ability to thrive in nutrient-poor soil. Its timber is also highly sought after for its durability and resistance to decay, making it a popular choice for construction and furniture.