]> GH barcode-01628416 United States of America Oklahoma [Wichita] Mts. National Wildlife Refuge. ca. 7.0 miles NE. of Cache, Sec. 7, T3N, R13W Myriophyllum spicatum Linnaeus Linnaeus 2020-05-15 11:27:17 C. B. Hellquist & L. Crouch