| Centaurea nigra x jacea = C. x moncktonii | GB, VC3 South Devon, Seaton | James Eddowes Cooper | Dulwich College Arthur Edward Wade | 1912 | SLBI |
| Centaurea nigra x jacea = C. x moncktonii | GB, VC9 Dorset, Ballard Down | Stafford Edwin Chandler | Croydon Natural History and Scientific Society Stafford Edwin Chandler | 8/8/1933 | SLBI |
| Centaurea nigra x jacea = C. x moncktonii | GB, VC9 Dorset, Swanage | Stafford Edwin Chandler | Croydon Natural History and Scientific Society Stafford Edwin Chandler | 17/8/1935 | SLBI |
| Centaurea nigra x jacea = C. x moncktonii | GB, VC11 South Hampshire, Horndean | Joseph Woods | Frederick Townsend | 14/9/1841 | SLBI |
| Centaurea nigra x jacea = C. x moncktonii | GB, VC11 South Hampshire, Winchester | M P | Dulwich College | 1861 | SLBI |
| Centaurea nigra x jacea = C. x moncktonii | GB, VC13 West Sussex, Southwick | | Isaac A Helsby E Payne | 7/1936 | SLBI |
| Centaurea nigra x jacea = C. x moncktonii | GB, VC15 East Kent, Broadstairs | Arthur H Carter | Job Edward Lousley | 7/1935 | SLBI |
| Centaurea nigra x jacea = C. x moncktonii | GB, VC15 East Kent, Faversham | Edward Shearburn Marshall | Frederick Townsend | 1/9/1894 | SLBI |
| Centaurea nigra x jacea = C. x moncktonii | GB, VC16 West Kent, Ifield | Charles Edward Britton | Charles Edward Britton | 31/7/1921 | SLBI |
| Centaurea nigra x jacea = C. x moncktonii | GB, VC17 Surrey, Addington | Stafford Edwin Chandler | Croydon Natural History and Scientific Society Stafford Edwin Chandler | 31/8/1916 | SLBI |
| Centaurea nigra x jacea = C. x moncktonii | GB, VC17 Surrey, Banstead Downs | Charles Edward Britton | Charles Edward Britton | 10/8/1924 | SLBI |
| Centaurea nigra x jacea = C. x moncktonii | GB, VC17 Surrey, Chelsham | Charles Edward Britton | Charles Edward Britton | 11/7/1915 | SLBI |
| Centaurea nigra x jacea = C. x moncktonii | GB, VC17 Surrey, Epsom Downs | Charles Edward Britton | Charles Edward Britton | 12/9/1921 | SLBI |
+ | Centaurea nigra x jacea = C. x moncktonii | GB, VC17 Surrey, Epsom Downs, Surrey | Charles Edward Britton | Frederick Ernest Weiss | 11/8/1923 | MANCH |
+ | Centaurea nigra x jacea = C. x moncktonii | GB, VC17 Surrey, hort. West Barnes Merton, root from Epsom Downs, Surrey | Charles Edward Britton | Botanical Society & Exchange Club of The British Isles Willis Openshaw Howarth | 27/7/1924 | MANCH |
| Centaurea nigra x jacea = C. x moncktonii | GB, VC17 Surrey, Leatherhead | S A Chambers | S A Chambers | 22/9/1900 | SLBI |
| Centaurea nigra x jacea = C. x moncktonii | GB, VC17 Surrey, Nore Hill | Charles Edward Britton | Charles Edward Britton | 11/7/1915 | SLBI |
| Centaurea nigra x jacea = C. x moncktonii | GB, VC17 Surrey, Oxted | Edward Benedict Bangerter | Edward Benedict Bangerter | 27/6/1937 | SLBI |
| Centaurea nigra x jacea = C. x moncktonii | GB, VC17 Surrey, Oxted | William Henry Griffin | Allan Octavian Hume | 8/7/1905 | SLBI |
| Centaurea nigra x jacea = C. x moncktonii | GB, VC17 Surrey, Tadworth | Charles Edward Britton | Charles Edward Britton | 7/8/1921 | SLBI |
| Centaurea nigra x jacea = C. x moncktonii | GB, VC17 Surrey, Tadworth | Charles Edward Britton | Charles Edward Britton | 7/8/1921 | SLBI |
| Centaurea nigra x jacea = C. x moncktonii | GB, VC17 Surrey, Woldingham | Charles Edward Britton | Charles Edward Britton | 10/7/1921 | SLBI |
| Centaurea nigra x jacea = C. x moncktonii | GB, VC17 Surrey, Woldingham | Charles Edward Britton | Charles Edward Britton Charles Edward Britton | 29/6/1919 | SLBI |
| Centaurea nigra x jacea = C. x moncktonii | GB, VC17 Surrey, Woldingham Cultivated | Charles Edward Britton | Charles Edward Britton | 24/6/1921 | SLBI |
| Centaurea nigra x jacea = C. x moncktonii | GB, VC20 Hertfordshire, Oxhey | Isaac A Helsby | Isaac A Helsby | 6/1920 | SLBI |
| Centaurea nigra x jacea = C. x moncktonii | GB, VC25 East Suffolk, Orford | | Frederick Townsend | 25/6/1847 | SLBI |
| Centaurea nigra x jacea = C. x moncktonii | GB, VC29 Cambridgeshire, Linton | | Frederick Townsend | 7/1855 | SLBI |
| Centaurea nigra x jacea = C. x moncktonii | GB, VC30 Bedfordshire, Dunstable | S A Chambers | S A Chambers | 21/9/1895 | SLBI |
| Centaurea nigra x jacea = C. x moncktonii | GB, VC37 Worcestershire, Great Malvern | | Frederick Townsend | 13/6/1881 | SLBI |
| Centaurea nigra x jacea = C. x moncktonii | GB, VC70 Cumberland, Keswick | Stafford Edwin Chandler | Croydon Natural History and Scientific Society Stafford Edwin Chandler | 16/9/1909 | SLBI |
| Centaurea nigra x jacea = C. x moncktonii | GB, VC113 Channel Islands, Don Bridge, Jersey | Benard Ariste | Botanical Exchange Club of The British Isles Job Edward Lousley Louis Arsene | 10/7/1927 | SLBI |