 | Sparganium erectum subsp. erectum | | | Charles Ottley Groom | | BON |
 | Sparganium erectum subsp. erectum | GB, VC1 West Cornwall, Carminowe Creek, Loe Pool | Allan Octavian Hume | Allan Octavian Hume | 24/7/1899 | SLBI |
 | Sparganium erectum subsp. erectum | GB, VC1 West Cornwall, Penzance | Richard Barker Ullman | Richard Barker Ullman | 14/8/1913 | SLBI |
 | Sparganium erectum subsp. erectum | GB, VC4 North Devon, North Tawton | Edward Palmer | Edward Palmer William Hadden Beeby | 8/1836 | SLBI |
 | Sparganium erectum subsp. erectum | GB, VC5 South Somerset, Dunster | J H P | Dulwich College | 8/1887 | SLBI |
 | Sparganium erectum subsp. erectum | GB, VC11 South Hampshire, Winchester, Winnal | J Breach | Croydon Natural History and Scientific Society J Breach | 4/7/1834 | SLBI |
 | Sparganium erectum subsp. erectum | GB, VC14 East Sussex, Lewes | William Hadden Beeby | William Hadden Beeby | 22/6/1871 | SLBI |
 | Sparganium erectum subsp. erectum | GB, VC14 East Sussex, Lewes | Joseph Woods | Allan Octavian Hume Frederick Townsend | 16/7/1852 | SLBI |
 | Sparganium erectum subsp. erectum | GB, VC14 East Sussex, Lewes | Joseph Woods | Frederick Townsend | 8/7/1845 | SLBI |
 | Sparganium erectum subsp. erectum | GB, VC15 East Kent, Folkestone, Holy Well | Stafford Edwin Chandler | Croydon Natural History and Scientific Society Stafford Edwin Chandler | 8/1897 | SLBI |
 | Sparganium erectum subsp. erectum | GB, VC17 Surrey, Felbridge | William Hadden Beeby | William Hadden Beeby | 21/6/1885 | SLBI |
 | Sparganium erectum subsp. erectum | GB, VC17 Surrey, Great Bookham Common | Joan Frances Hall | London Natural History Society | 23/8/1953 | SLBI |
 | Sparganium erectum subsp. erectum | GB, VC17 Surrey, Guildford | | Croydon Natural History and Scientific Society | | SLBI |
 | Sparganium erectum subsp. erectum | GB, VC17 Surrey, Hedge Court Pond | William Frederick Miller | Croydon Natural History and Scientific Society | 29/6/1889 | SLBI |
 | Sparganium erectum subsp. erectum | GB, VC17 Surrey, North Camp | William Hadden Beeby | William Hadden Beeby | 23/5/1886 | SLBI |
 | Sparganium erectum subsp. erectum | GB, VC17 Surrey, Penton Hook | William Hadden Beeby | William Hadden Beeby | 9/8/1885 | SLBI |
 | Sparganium erectum subsp. erectum | GB, VC17 Surrey, Reigate Cultivated | William Hadden Beeby | William Hadden Beeby | 22/5/1886 9/1886 | SLBI |
 | Sparganium erectum subsp. erectum | GB, VC17 Surrey, Runnymede | William Hadden Beeby | William Hadden Beeby | 5/7/1885 | SLBI |
 | Sparganium erectum subsp. erectum | GB, VC17 Surrey, Runnymede | William Hadden Beeby | William Hadden Beeby | 30/5/1886 | SLBI |
 | Sparganium erectum subsp. erectum | GB, VC19 North Essex, Kirby | Frederick Yorke Brocas | Charles Ottley Groom | 8/1882 | BON |
 | Sparganium erectum subsp. erectum | GB, VC19 North Essex, Kirby Cross | Frederick Yorke Brocas | Mantua And Montferrat | 8/1882 | BON |
 | Sparganium erectum subsp. erectum | GB, VC19 North Essex, Wickham Bishops | Harold Goodman Dixon Hugh Neville Dixon | Hugh Neville Dixon Leslie Beeching Hall | 8/1878 | SLBI |
 | Sparganium erectum subsp. erectum | GB, Essex, Chelmsford | Ernest Charles Horrell William Robert Sherrin | William Robert Sherrin | 7/1908 | SLBI |
 | Sparganium erectum subsp. erectum | GB, VC20 Hertfordshire, Colney | | | 4/7/1912 | BON |
 | Sparganium erectum subsp. erectum | GB, VC20 Hertfordshire, Watford, Hamper Mill | Isaac A Helsby | Isaac A Helsby | 6/7/1922 | SLBI |
 | Sparganium erectum subsp. erectum | GB, VC21 Middlesex, Roxeth | Charles Baylis Green | Charles Baylis Green | 8/7/1906 | SLBI |
 | Sparganium erectum subsp. erectum | GB, VC21 Middlesex, Uxbridge | Charles Baylis Green | Charles Baylis Green | 7/1903 | SLBI |
 | Sparganium erectum subsp. erectum | GB, VC29 Cambridgeshire, Chatteris | | William Hadden Beeby | | SLBI |
 | Sparganium erectum subsp. erectum | GB, VC29 Cambridgeshire, Welches Dam | Alfred Fryer | William Hadden Beeby | 12/10/1884 | SLBI |
 | Sparganium erectum subsp. erectum | GB, VC33 East Gloucestershire, Tredington | Frederick Townsend | Allan Octavian Hume Frederick Townsend | 6/1848 | SLBI |
 | Sparganium erectum subsp. erectum | GB, VC33 East Gloucestershire, Gloucester GB, VC34 West Gloucestershire, Berkeley | Charles Bailey | Watson Botanical Exchange Club William Robert Sherrin | 7/7/1913 | SLBI |
 | Sparganium erectum subsp. erectum | GB, VC34 West Gloucestershire, Sea Mills | | Henry Haselfoot Haines | 23/7/1928 | ABS |
 | Sparganium erectum subsp. erectum | GB, VC38 Warwickshire, Lapworth | D A Perks | | 25/8/1959 | ABS |
 | Sparganium erectum subsp. erectum | GB, VC40 Shropshire | William Edmund Beckwith | William Hadden Beeby | 1885 | SLBI |
 | Sparganium erectum subsp. erectum | GB, VC40 Shropshire, Broom Hill | Richard de Gylpyn Benson | | 8/1893 | SHYB |
 | Sparganium erectum subsp. erectum | GB, VC40 Shropshire, Eaton Constantine | William Edmund Beckwith | William Hadden Beeby | | SLBI |
 | Sparganium erectum subsp. erectum | GB, VC41 Glamorganshire, Llanederyn | J E Rees | | 14/9/1959 | ABS |
 | Sparganium erectum subsp. erectum | GB, VC41 Glamorganshire, Oxwich | Philip Frank Wareing | Philip Frank Wareing | 7/1949 | ABS |
 | Sparganium erectum subsp. erectum | GB, VC42 Breconshire, Llangorse Lake | Clara Fryer | William Hadden Beeby Alfred Fryer | 5/8/1884 | SLBI |
 | Sparganium erectum subsp. erectum | GB, VC43 Radnorshire, Llandrindod Wells | William Hunt Painter | | 7/1899 | ABS |
 | Sparganium erectum subsp. erectum | GB, VC45 Pembrokeshire, Tenby | Edwin Bernard Benson | | 7/1892 | SHYB |
 | Sparganium erectum subsp. erectum | GB, VC46 Cardiganshire, Aberystwyth | | | 14/7/1982 | ABS |
 | Sparganium erectum subsp. erectum | GB, VC64 Mid-west Yorkshire, Askham Bog | J M Whiteside | | 10/9/1967 | ABS |
 | Sparganium erectum subsp. erectum | GB, VC69 Westmorland, Walney Island | Rowena Mabel Ferguson | | 29/6/1933 | ABS |
 | Sparganium erectum subsp. erectum | GB, VC98 Argyllshire, Lochgilphead | | Philip Brookes Mason | | BON |
 | Sparganium ramosum | IE, Ambiguous locality (IE), Ballinamona | | | 8/1881 | DBC |