The brown bog rush, also known as Schoenus ferrugineus, is a type of sedge commonly found in wetland areas. In terms of synonyms, it is called rusty bog rush or rusty sedge due to its brownish-orange coloration. Other synonyms include iron-sedge and brown cotton-grass. This plant produces small, brownish flowers that bloom in the summer months. It serves an important ecological function by providing habitat for various species of birds and insects. Additionally, its roots help stabilize the soil in wetland environments. The brown bog rush may not be the most glamorous plant, but it certainly plays a vital role in the ecosystem.