Scirpus fluitans Linnaeus, Species Plantarum 1: 48. 1753.

"Habitat in Angliae, Galliae udis." RCN: 410.

Lectotype (Simpson & al. in Kew Bull. 56: 1011. 2001): [icon] "Gramen junceum clavatum repens foliis et capitulis Psyllii" in Morison, Pl. Hist. Univ. 3: 230, s. 8, t. 10, f. 31. 1699.

Current name: Isolepis fluitans (L.) R. Br. ( Cyperaceae).