| Festuca pratensis x Lolium perenne = x Festulolium loliaceum | GB, VC41 Glamorganshire, Aberdare | Harry Joseph Riddelsdell | Botanical Exchange Club of The British Isles William Hunt Painter | 6/1902 | ABS |
| Festuca pratensis x Lolium perenne = x Festulolium loliaceum | GB, VC50 Denbighshire, Wrexham | | | | MANCH |
| Festuca pratensis x Lolium perenne = x Festulolium loliaceum | GB, VC55 Leicestershire, Aylestone | Arthur Reginald Horwood | Watson Botanical Exchange Club Charles Bailey | 1/7/1905 | MANCH |
| Festuca pratensis x Lolium perenne = x Festulolium loliaceum | GB, VC55 Leicestershire, Holywell | | Charles Bailey Frederick Thompson Mott Thomas Thorp | 6/1882 | MANCH |
| Festuca pratensis x Lolium perenne = x Festulolium loliaceum | GB, VC55 Leicestershire, River Soar | | Charles Bailey Frederick Thompson Mott Thomas Thorp | 6/1849 | MANCH |
| Festuca pratensis x Lolium perenne = x Festulolium loliaceum | GB, VC57 Derbyshire, Ashford in the Water | Charles Bailey | Charles Bailey | 1/8/1885 | MANCH |
| Festuca pratensis x Lolium perenne = x Festulolium loliaceum | GB, VC57 Derbyshire, Wensley | | Botanical Exchange Club of The British Isles Augustin Ley William Richardson Linton | 25/9/1898 | BIRM |
| Festuca pratensis x Lolium perenne = x Festulolium loliaceum | GB, VC58 Cheshire, Birkenhead | John Harbord Lewis | Charles Bailey | 7/7/1874 | MANCH |
| Festuca pratensis x Lolium perenne = x Festulolium loliaceum | GB, VC58 Cheshire, Bowdon | George Edward Hunt | George Stephen West | | BIRM |
| Festuca pratensis x Lolium perenne = x Festulolium loliaceum | GB, VC58 Cheshire, Burton | Thomas Barker | | 1878 | BON |
| Festuca pratensis x Lolium perenne = x Festulolium loliaceum | GB, VC58 Cheshire, Rostherne | Charles Bailey | Charles Bailey | 8/7/1885 | MANCH |
| Festuca pratensis x Lolium perenne = x Festulolium loliaceum | GB, VC58 Cheshire, Timperley | George Alfred Holt | George Alfred Holt | 7/1909 | MANCH |
| Festuca pratensis x Lolium perenne = x Festulolium loliaceum | GB, VC59 South Lancashire, Southport | Charles Bailey | Charles Bailey | 10/6/1893 | MANCH |
| Festuca pratensis x Lolium perenne = x Festulolium loliaceum | GB, VC62 North-east Yorkshire, Ayton | William A Mudd | Charles Bailey John Hardy | 7/1852 | MANCH |
| Festuca pratensis x Lolium perenne = x Festulolium loliaceum | GB, VC62 North-east Yorkshire, Thirsk | John Gilbert Baker | Charles Bailey John Gilbert Baker John Ray Hardy | | MANCH |
| Festuca pratensis x Lolium perenne = x Festulolium loliaceum | GB, VC62 North-east Yorkshire, Thirsk | John Gilbert Baker | Charles Bailey John Gilbert Baker John Ray Hardy | 7/1852 | MANCH |
| Festuca pratensis x Lolium perenne = x Festulolium loliaceum | GB, VC62 North-east Yorkshire, Thirsk | John Gilbert Baker | John Gilbert Baker | 1/1852 | BIRM |
| Festuca pratensis x Lolium perenne = x Festulolium loliaceum | GB, VC63 South-west Yorkshire, Dewsbury | Phineas Fox Lee | Charles Bailey Phineas Fox Lee | 7/1882 | MANCH |
| Festuca pratensis x Lolium perenne = x Festulolium loliaceum | GB, VC64 Mid-west Yorkshire, Airton | William West | George Stephen West | 6/1879 | BIRM |
| Festuca pratensis x Lolium perenne = x Festulolium loliaceum | GB, VC64 Mid-west Yorkshire, Ilkley | | Charles Bailey | | MANCH |
| Festuca pratensis x Lolium perenne = x Festulolium loliaceum | GB, VC64 Mid-west Yorkshire, Settle | John Tatham | | | ABS |
| Festuca pratensis x Lolium perenne = x Festulolium loliaceum | GB, VC61,VC62,VC64, York | | Charles Bailey John Hardy | 7/1/1846 | MANCH |
| Festuca pratensis x Lolium perenne = x Festulolium loliaceum | GB, VC65 North-west Yorkshire, Richmond | James Ward | Richmond Museum Charles Bailey | 7/1838 | MANCH |
| Festuca pratensis x Lolium perenne = x Festulolium loliaceum | GB, VC71 Isle of Man, Scarlet Point | Peter Shaw Green | | 27/6/1950 | BIRM |
| Festuca pratensis x Lolium perenne = x Festulolium loliaceum | GB, VC77 Lanarkshire, Dalbeth | Richard McKay | | 27/6/1870 | BON |
| Festuca pratensis x Lolium perenne = x Festulolium loliaceum | GB, VC80 Roxburghshire, Kelso | Andrew Brotherston | Andrew Brotherston Charles Bailey | 7/1874 | MANCH |
| Festuca pratensis x Lolium perenne = x Festulolium loliaceum | GB, VC83 Midlothian, Musselburgh | McTaggert Cowan | | 12/6/1911 | MANCH |
| Festuca pratensis x Lolium perenne = x Festulolium loliaceum | IE, VCH23 Westmeath, Knock | Harry Corbyn Levinge | Harry Corbyn Levinge William Hunt Painter | 18/7/1894 | ABS |