Carex pseudocyperus is a sedge plant commonly known as false cyperus or cyperus-like sedge. It is a member of the Carex genus, which comprises around 2,000 species of grass-like plants. Other synonyms for Carex pseudocyperus include Carex caricosoides, Carex arroyensis, Torreyochloa pseudocyperus, and Kobresia pseudocyperus. False cyperus is found in wetlands, near streams, and in other damp habitats throughout much of the United States and Canada. It is widely cultivated for its ornamental value in ponds and water gardens, and is used in traditional medicine to treat a wide range of ailments. Despite being called false cyperus, it is not closely related to the true cyperus plants.