| Rumex crispus x obtusifolius = R. x pratensis | Henfield | | Frederick Townsend | | SLBI |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC1 West Cornwall, Saint Marys | William Hadden Beeby | | 19/7/1873 | SLBI |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC3 South Devon, Wembury | Job Edward Lousley | | 29/7/1939 | SLBI |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC3 South Devon, Wembury | Job Edward Lousley | | 29/7/1939 | SLBI |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC6 North Somerset, Bath | | Frederick Thompson Mott | 7/1893 | SLBI |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC10 Isle of Wight, Newport | Frederic Stratton | Frederic Stratton | 26/7/1871 | SLBI |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC11 South Hampshire, Shedfield | Frederick Townsend | Allan Octavian Hume Frederick Townsend | 3/8/1870 | SLBI |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC14 East Sussex, Lewes | Joseph Woods | Allan Octavian Hume Frederick Townsend | 3/8/1833 | SLBI |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC14 East Sussex, Lewes | Joseph Woods | Frederick Townsend | 10/7/1847 | SLBI |
| Rumex crispus x obtusifolius = R. x pratensis | GB, Sussex, Saint Leonard's | Frederick Townsend | Allan Octavian Hume Frederick Townsend | 1/7/1872 | SLBI |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC15 East Kent, New Romney | Job Edward Lousley | Job Edward Lousley | 16/8/1936 | SLBI |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC16 West Kent, Shoreham | William Robert Sherrin | | 7/7/1928 | SLBI |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC17 Surrey, Cottenham Park | Charles Edward Britton | Charles Edward Britton | 1/8/1910 | SLBI |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC17 Surrey, Dormans | William Hadden Beeby | William Hadden Beeby | 19/8/1884 | SLBI |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC17 Surrey, Eashing | | Edward Shearburn Marshall | 20/6/1892 | SLBI |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC17 Surrey, Lower Morden | Charles Edward Britton | Charles Edward Britton | 9/7/1910 | SLBI |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC17 Surrey, Mitcham Junction | Job Edward Lousley | | 3/8/1938 | SLBI |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC17 Surrey, Mortlake | Job Edward Lousley | | 12/7/1938 | SLBI |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC17 Surrey, Mortlake | Job Edward Lousley | | 12/7/1938 | SLBI |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC17 Surrey, Ramsnest | William Hadden Beeby | William Hadden Beeby | 3/8/1885 | SLBI |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC17 Surrey, River Thames in Surrey | Frederick Townsend | | 6/8/1894 | SLBI |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC17 Surrey, Thames Ditton | Hewett Cottrell Watson | William Hadden Beeby | 8/1876 | SLBI |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC17 Surrey, Walton on Thames | | William Hadden Beeby | 8/9/1894 | SLBI |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC17 Surrey, Weybridge | William Hadden Beeby | William Hadden Beeby | 1/8/1887 | SLBI |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC17 Surrey, Witley | Edward Shearburn Marshall | | 20/8/1892 | SLBI |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC19 North Essex, Broxbourne | William Williamson Newbould | Allan Octavian Hume Frederick Townsend | 19/7/1848 | SLBI |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC20 Hertfordshire, Hitchin | Joseph Edward Little | Watson Botanical Exchange Club Joseph Edward Little | 18/7/1920 | SLBI |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC21 Middlesex, Chiswick | William Robert Sherrin | | 7/1903 | SLBI |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC21 Middlesex, Chiswick | William Robert Sherrin | | 7/1903 | SLBI |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC21 Middlesex, Stoke Newington | Joseph Woods | Allan Octavian Hume Frederick Townsend | 8/8/1831 | SLBI |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC21 Middlesex, Uxbridge | William Robert Sherrin | | 8/1904 | SLBI |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC21 Middlesex, West Drayton | Leslie Beeching Hall William Robert Sherrin | | 28/7/1920 | SLBI |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC22 Berkshire, Twyford | Job Edward Lousley | Job Edward Lousley | 17/7/1932 | SLBI |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC23 Oxfordshire, Binsey | Charles Edward Hubbard | Job Edward Lousley | 19/8/1944 | SLBI |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC38 Warwickshire, Warwick | Henry Bromwich | Allan Octavian Hume Frederick Townsend | 9/1871 | SLBI |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC57 Derbyshire, Edlaston | William Richardson Linton | William Richardson Linton | 8/8/1891 | SLBI |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC57 Derbyshire, Edlaston Coppy | Edward Francis Linton | Edward Francis Linton | 8/8/1891 | SLBI |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC64 Mid-west Yorkshire, Copgrove | Edward Charles Wallace | | 10/8/1944 | SLBI |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC85 Fifeshire, Invertiel | John Thomas Irvine Boswell-Syme | | 8/1873 | SLBI |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC86 Stirlingshire, Stirling | Job Edward Lousley | | 11/5/1939 | SLBI |