| 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, VC64 Mid-west Yorkshire, Copgrove | Edward Charles Wallace | | 10/8/1944 | SLBI |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC88 Mid Perthshire, Fearnan | Job Edward Lousley | | 8/8/1939 | 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, VC3 South Devon, Wembury | Job Edward Lousley | | 29/7/1939 | SLBI |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC86 Stirlingshire, Stirling | Job Edward Lousley | | 11/5/1939 | 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, VC15 East Kent, New Romney | Job Edward Lousley | Job Edward Lousley | 16/8/1936 | 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, VC16 West Kent, Shoreham | William Robert Sherrin | | 7/7/1928 | 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, 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, VC51 Flintshire, Prestatyn | W Horton-Smith | | 6/8/1916 | MANCH |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC59 South Lancashire, Stretford | George Alfred Holt | Charles Bailey | 4/11/1912 | MANCH |
| 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, Lower Morden | Charles Edward Britton | Charles Edward Britton | 9/7/1910 | SLBI |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC6 North Somerset, Failand | James Walter White | Watson Botanical Exchange Club Charles Bailey James Walter White | 31/7/1907 | MANCH |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC57 Derbyshire, Shirley | William Richardson Linton | Botanical Exchange Club of The British Isles Charles Bailey | 8/1905 | MANCH |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC57 Derbyshire, Shirley | William Richardson Linton | Botanical Exchange Club of The British Isles | 8/1905 | ABS |
| 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, 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, VC32 Northamptonshire, Brackley | George Claridge Druce | Charles Bailey | 9/1900 | MANCH |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC57 Derbyshire, Shirley | William Richardson Linton | Charles Bailey William Richardson Linton | 8/8/1899 | MANCH |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC36 Herefordshire, Colwall | Richard Francis Towndrow | Augustin Ley | 20/7/1899 | BIRM |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC97 West Inverness-shire, Invermoidart | Symers MacDonald Macvicar | | 9/9/1898 | SLBI |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC38 Warwickshire, Dunchurch | Stephen Troyte Dunn | Charles Bailey | 20/7/1896 | MANCH |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC38 Warwickshire, Straight Mile | Stephen Troyte Dunn | | 20/7/1896 | MANCH |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC38 Warwickshire, Straight Mile | Stephen Troyte Dunn | Botanical Exchange Club of The British Isles | 20/7/1896 | ABS |
| Rumex crispus x obtusifolius = R. x pratensis | IE, VCH23 Westmeath, Knockdrin | William Richardson Linton | Botanical Exchange Club of The British Isles Charles Bailey Harry Corbyn Levinge | 27/7/1895 | MANCH |
| Rumex crispus x obtusifolius = R. x pratensis | IE, VCH23 Westmeath, Knockdrin | William Richardson Linton | Botanical Exchange Club of The British Isles Charles Bailey Harry Corbyn Levinge | 27/7/1895 | MANCH |
| Rumex crispus x obtusifolius = R. x pratensis | IE, VCH23 Westmeath, Knockdrin | William Richardson Linton | Botanical Exchange Club of The British Isles Charles Bailey Harry Corbyn Levinge | 27/7/1895 | MANCH |
| 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, River Thames in Surrey | Frederick Townsend | | 6/8/1894 | SLBI |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC17 Surrey, Walton on Thames GB, VC17 Surrey, Weybridge | William Hadden Beeby | Botanical Exchange Club of The British Isles Charles Bailey | 6/8/1894 | MANCH |
| Rumex crispus x obtusifolius = R. x pratensis | GB, VC17 Surrey, Wimbledon,Wimbledon Common | Eyre Champion de Crespigny | Charles Bailey Eyre Champion de Crespigny | 7/1894 | MANCH |
| 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, VC17 Surrey, Witley | Edward Shearburn Marshall | | 20/8/1892 | SLBI |