''Carex haydenii'' (common name, Hayden's sedge), is a species of flowering plant in the family

Cyperaceae The Cyperaceae () are a family of graminoid (grass-like), monocotyledonous flowering plants known as wikt:sedge, sedges. The family (biology), family is large; botanists have species description, described some 5,500 known species in about 90 ...

, native to eastern Canada and the north-central and northeastern United States. Preferring to grow in wet, shady situations, but able to tolerate full sun, it is recommended for

rain garden Rain gardens, also called bioretention facilities, are one of a variety of practices designed to increase rain runoff reabsorption by the soil. They can also be used to treat polluted stormwater runoff. Rain gardens are designed landscape sites t ...

References

haydenii Flora of Ontario Flora of Quebec Flora of New Brunswick Flora of North Dakota Flora of South Dakota Flora of Nebraska Flora of Minnesota Flora of Iowa Flora of Missouri Flora of Wisconsin Flora of Illinois Flora of Indiana Flora of Michigan Flora of Ohio Flora of Pennsylvania Flora of New York (state) Flora of Massachusetts Flora of Vermont Flora of New Hampshire Flora of Maine Plants described in 1854 Flora without expected TNC conservation status {{Carex-stub