| Juncus inflexus x effusus = J. x diffusus | GB, VC64 Mid-west Yorkshire, Malham | | | 8/1879 | ABS |
| Juncus inflexus x effusus = J. x diffusus | GB, VC24 Buckinghamshire, Linslade | | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford Charles Bailey George Claridge Druce | 7/1898 | MANCH |
| Juncus inflexus x effusus = J. x diffusus | GB, VC17 Surrey, Thursley | Albert John Crosfield | Albert John Crosfield Watson Botanical Exchange Club | 3/9/1898 | SHYB |
| Juncus inflexus x effusus = J. x diffusus | GB, VC20 Hertfordshire, Ippolyts Common | Joseph Edward Little | Watson Botanical Exchange Club Joseph Edward Little | 3/8/1921 | SLBI |
| Juncus inflexus x effusus = J. x diffusus | GB, VC17 Surrey, Effingham | Leslie Beeching Hall | Watson Botanical Exchange Club | 18/8/1923 | SLBI |
| Juncus inflexus x effusus = J. x diffusus | GB, VC17 Surrey, Esher,Littleworth Common | Job Edward Lousley | Watson Botanical Exchange Club Job Edward Lousley | 31/8/1929 | SLBI |
| Juncus inflexus x effusus = J. x diffusus | GB, Norfolk, Bradfield | Edward Francis Linton | Charles Bailey Edward Francis Linton | 19/9/1886 | MANCH |
| Juncus inflexus x effusus = J. x diffusus | GB, VC38 Warwickshire, Honiley | Henry Bromwich | Charles Bailey | 9/1869 | MANCH |
| Juncus inflexus x effusus = J. x diffusus | GB, VC17 Surrey, Epsom | Hewett Cottrell Watson | Charles Bailey Hewett Cottrell Watson John Hardy | 1860 | MANCH |
| Juncus inflexus x effusus = J. x diffusus | GB, VC20 Hertfordshire, Daleman's Green | Rev. William Higgins Coleman (?) | Charles Bailey William Lowndes Notcutt | 1846 | MANCH |
| Juncus inflexus x effusus = J. x diffusus | GB, VC55 Leicestershire, Thurcaston | | Charles Bailey Frederick Thompson Mott Thomas Thorp | 9/1854 | MANCH |
| Juncus inflexus x effusus = J. x diffusus | GB, VC24 Buckinghamshire, Linslade | George Claridge Druce | Botanical Exchange Club of The British Isles Charles Bailey George Claridge Druce | 7/1898 | MANCH |
| Juncus inflexus x effusus = J. x diffusus | GB, VC20 Hertfordshire, Darman's Green | Henry Ibbotson | Charles Bailey John Hardy | | MANCH |
| Juncus inflexus x effusus = J. x diffusus | GB, VC17 Surrey, Wimbledon | John Gilbert Baker | Charles Bailey | 8/1880 | MANCH |
| Juncus inflexus x effusus = J. x diffusus | GB, VC55 Leicestershire, Bradgate | Albert Bruce Jackson | | 8/1903 | MANCH |
| Juncus inflexus x effusus = J. x diffusus | GB, VC17 Surrey, Richmond Park | Albert Bruce Jackson Karel Domin | Botanical Exchange Club of The British Isles Charles Bailey | 28/8/1907 | MANCH |
| Juncus inflexus x effusus = J. x diffusus | GB, VC23 Oxfordshire, North Leigh | George Claridge Druce | Botanical Exchange Club of The British Isles Charles Bailey | 8/1884 | MANCH |
| Juncus inflexus x effusus = J. x diffusus | GB, VC17 Surrey, Wimbledon | John Gilbert Baker | Botanical Exchange Club of The British Isles Charles Bailey | 8/1880 | MANCH |
| Juncus inflexus x effusus = J. x diffusus | GB, VC6 North Somerset, Shapwick | James Walter White | Charles Bailey Charles Edgar Salmon | 7/10/1910 | MANCH |
| Juncus inflexus x effusus = J. x diffusus | GB, VC17 Surrey, Epsom Cultivated | William Curnow | Charles Bailey | 1877 | MANCH |
| Juncus inflexus x effusus = J. x diffusus | GB, VC37 Worcestershire, Malvern | Philip M Sewell | Charles Bailey Frederick Thompson Mott Thomas Thorp | | MANCH |
| Juncus inflexus x effusus = J. x diffusus | GB, VC17 Surrey, Wimbledon | John Gilbert Baker | Charles Bailey | 8/1880 | MANCH |
| Juncus inflexus x effusus = J. x diffusus | GB, VC20 Hertfordshire, Darman's Green | William Higgins Coleman | Charles Bailey William Lowndes Notcutt | 1846 | MANCH |
| Juncus inflexus x effusus = J. x diffusus | GB, VC91 Kincardineshire, Kincardine | | Charles Bailey John Wilson Rimington Spencer Henry Bickham | 1849 | MANCH |
| Juncus inflexus x effusus = J. x diffusus | GB, VC38 Warwickshire, Curdworth | James Eustace Bagnall | Charles Bailey | 23/8/1875 | MANCH |
| Juncus inflexus x effusus = J. x diffusus | GB, VC62 North-east Yorkshire, Thirsk | John Gilbert Baker | George Stephen West | 9/1862 | BIRM |
| Juncus inflexus x effusus = J. x diffusus | GB, VC38 Warwickshire, Honiley | | Robert Large Baker | 9/1874 | BIRM |
| Juncus inflexus x effusus = J. x diffusus | GB, VC38 Warwickshire, Honiley | | Robert Large Baker | 9/1873 | BIRM |
| Juncus inflexus x effusus = J. x diffusus | GB, VC17 Surrey, Ashtead | William Hadden Beeby | William Hadden Beeby | 29/3/1885 | SLBI |
| Juncus inflexus x effusus = J. x diffusus | GB, VC17 Surrey, Ashtead | | William Hadden Beeby | 29/8/1886 | SLBI |
| Juncus inflexus x effusus = J. x diffusus | GB, VC22 Berkshire, Chilswell | Henry Boswell | John Bland Wood | 7/1861 | MANCH |
| Juncus inflexus x effusus = J. x diffusus | GB, VC17 Surrey, Morden | Charles Edward Britton | Charles Edward Britton | 2/9/1909 | SLBI |
| Juncus inflexus x effusus = J. x diffusus | GB, VC17 Surrey, Earlswood | Edward Charles Wallace Jean Irene Byatt | | 29/8/1978 | SLBI |
| Juncus inflexus x effusus = J. x diffusus | GB, VC23 Oxfordshire, North Leigh | George Claridge Druce | Botanical Exchange Club of The British Isles Augustin Ley | 8/1884 | BIRM |
| Juncus inflexus x effusus = J. x diffusus | GB, VC23 Oxfordshire, North Leigh | George Claridge Druce | Botanical Exchange Club of The British Isles William Hadden Beeby | 8/1884 | SLBI |
| Juncus inflexus x effusus = J. x diffusus | GB, VC20 Hertfordshire, Brickendon | Douglas Montague Heath | Douglas Montague Heath | 20/10/1926 | BIRM |
| Juncus inflexus x effusus = J. x diffusus | GB, VC50 Denbighshire, Horseman's Green | W Horton-Smith | | 6/8/1917 | MANCH |
| Juncus inflexus x effusus = J. x diffusus | GB, VC58 Cheshire, Winsford | W Horton-Smith | | 19/7/1916 | MANCH |
| Juncus inflexus x effusus = J. x diffusus | GB, VC58 Cheshire, Hatchmere | W Horton-Smith | | 2/7/1919 | MANCH |
| Juncus inflexus x effusus = J. x diffusus | GB, VC1 West Cornwall, Harlyn Bay | Allan Octavian Hume | Allan Octavian Hume | 9/1902 | SLBI |