Schoenoplectus heterochaetus
 Schoenoplectus heterochaetus (syn. Scirpus heterochaetus) is a species of flowering plant in the sedge family known by the common name slender bulrush. It is native to North America where it can be found in many regions of Canada and the United States. It grows in a variety of wetland habitat types including marshes and lakes. It grows on land or in shallow water. It is a perennial herb growing from a large rhizome system.