| Cyperaceae | |
Scirpus lacustris var. carinatus
| Nakai | | |
| Cyperaceae | |
Scirpus lacustris fo. compactus
| Beckh. | Fl. Westfalen 936 | 1893 |
| Cyperaceae | |
Scirpus lacustris var. condensatus
| Peck | Rep (Annual) Regents, Univ. State New York, New York State Museum 53: 853 | 1900 |
| Cyperaceae | |
Scirpus lacustris fo. confertus
| Schur | Enum. Pl. Transsilv. 692 | 1866 |
| Cyperaceae | |
Scirpus lacustris fo. conglomeratus
| Junge | Jahrb. Hamburg. Wiss. Anst. 25(3): 255 | 1908 |
| Cyperaceae | |
Scirpus lacustris subsp. creber
| (Fernald) T. Koyama | Phytologia 8(9): 457 | 1963 |
| Cyperaceae | |
Scirpus lacustris var. custoris
| (Hegetschw) Nyman | Consp. Fl. Eur. 764 | 1882 |
| Cyperaceae | |
Scirpus lacustris var. digynus
| Godr. | Fl. Lorraine 3: 90 | 1844 |
| Cyperaceae | |
Scirpus lacustris subsp. flevensis
| D. Bakker | Acta Bot. Neerl. 3: 434 | 1954 |
| Cyperaceae | |
Scirpus lacustris fo. foliosus
| Des Moul. | Cat. Rais. Phan. Dordogne, Add. 306 | 1859 |
| Cyperaceae | ** |
Scirpus lacustris var. genuinus
| Godr. | Fl. Lorraine 3: 90 | 1844 |
| Cyperaceae | |
Scirpus lacustris fo. glaucus
| (Hartm.) Peterm. | Anal. Pfl.-Schlüss. 480 | 1846 |
| Cyperaceae | |
Scirpus lacustris subsp. glaucus
| Hartm. | Svensk Norsk Exurs. Fl. 10 | 1846 |
| Cyperaceae | |
Scirpus lacustris subsp. hippolytii
| (V.I. Krecz.) Kukkonen | Fl. Iranica 173: 25 | 1998 |
| Cyperaceae | |
Scirpus lacustris subsp. lacustris
| | | |
| Cyperaceae | |
Scirpus lacustris var. lacustris
| | | |
| Cyperaceae | |
Scirpus lacustris fo. laxiflorus
| Kuntze | Taschen-Fl. Leipzig 25 | 1867 |
| Cyperaceae | |
Scirpus lacustris var. luxurians
| (Miq.) T. Koyama | Phytologia 8(9): 458 | 1963 |
| Cyperaceae | |
Scirpus lacustris var. medius
| Schrad. ex Lej. | Rev. Fl. Spa 11 | 1824 |
| Cyperaceae | |
Scirpus lacustris fo. minor
| Baumg. | Enum. Stirp. Transsilv. 3: 320 | 1815 |
| Cyperaceae | |
Scirpus lacustris var. occidentalis
| S. Watson | Bot. California 2: 218 | 1880 |
| Cyperaceae | |
Scirpus lacustris fo. palustris
| Schltdl. | Fl. Berol. 1: | 1823 |
| Cyperaceae | |
Scirpus lacustris fo. radiatus
| Vollm. | Fl. Bayern 125 | 1914 |
| Cyperaceae | |
Scirpus lacustris fo. sparganiifolia
| Volob. | Izv. Sibirsk. Otd. Akad. Nauk SSSR, Ser. Biol. Nauk 1990(2): 82 | 1990 |
| Cyperaceae | |
Scirpus lacustris fo. sparganiifolius
| Volobaev | Izv. Sibirsk. Otd. Akad. Nauk SSSR, Ser. Biol. Nauk 1990(2): 82 | 1990 |
| Cyperaceae | |
Scirpus lacustris subsp. tabernaemontani
| (C.C. Gmel.) Syme | Engl. Bot. (ed. 3A) 10: 64 | 1870 |
| Cyperaceae | |
Scirpus lacustris var. tabernaemontani
| (C.C. Gmel.) Döll | Rhein. Fl. 165 | 1843 |
| Cyperaceae | |
Scirpus lacustris var. tabernaemontani
| Pei & Shan | Aquatic vascular plants of East China 29 | 1952 |
| Cyperaceae | |
Scirpus lacustris var. tabernaemontani
| (C.C. Gmel.) Nyman | Consp. Fl. Eur. 764 | 1882 |
| Cyperaceae | |
Scirpus lacustris var. tenuiculmis
| E. Sheld. | Bull. Geol. Nat. Hist. Surv. 9: 583, pl. 30 | 1896 |
| Cyperaceae | |
Scirpus lacustris fo. terrestris
| Glück | Beih. Bot. Centralbl., Abt. 2 39B: 313 | 1922 |
| Cyperaceae | ! |
Scirpus lacustris subsp. validus
| (Vahl) Osten | Anales Mus. Hist. Nat. Montevideo 3: 205 | 1931 |
| Cyperaceae | ** |
Scirpus lacustris subsp. validus
| (Vahl) T. Koyama | Canad. J. Bot. 40: 927 | 1962 |
| Cyperaceae | ** |
Scirpus lacustris var. validus
| (Vahl) Kük. | Sinensia 2: 82 | 1932 |
| Cyperaceae | ! |
Scirpus lacustris var. validus
| (Vahl) Kük. | Repert. Spec. Nov. Regni Veg. 23: 200 | 1926 |