Publication: Ann. Lyceum Nat. Hist. New York. 3: 276. 1836.
Origin: Native east Cascades, introduced in Seattle, WA
selected vouchers: WTU
Notes: FNA23 states that: "Cyperus schweinitzii is introduced, but not naturalized, in Massachusetts and Washington." This statement is incorrect as it relates to Washington. Publication of that volume in the FNA series predated digitization of specimens in the Pacific Northwest.