| Mentha suaveolens x longifolia = M. x rotundifolia | VC1, Trewoofe | Richard Barker Ullman | Richard Barker Ullman | 30/8/1929 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC28 West Norfolk, Wells GB, VC36 Herefordshire, Ledbury Cultivated | Spencer Henry Bickham | Watson Botanical Exchange Club Spencer Henry Bickham William Robert Sherrin | 20/8/1909 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC1 West Cornwall, Bissoe | Job Edward Lousley | Job Edward Lousley | 14/9/1936 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC1 West Cornwall, Crantock | Chambre Corker Vigurs | | 31/8/1905 | ABS |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC1 West Cornwall, Cubert | Chambre Corker Vigurs | | 31/8/1905 | ABS |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC1 West Cornwall, Penzance | William Curnow | William Hunt Painter | 8/1879 | ABS |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC1 West Cornwall, Penzance Cultivated | William Curnow | William Hunt Painter | 9/1880 | ABS |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC1 West Cornwall, Penzance | William Curnow | Hugh Neville Dixon Leslie Beeching Hall | 8/1886 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC1 West Cornwall, Perranwell Station | Allan Octavian Hume | Allan Octavian Hume | 23/8/1899 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC1 West Cornwall, Ponsanooth | Frederick Hamilton Davey | Allan Octavian Hume | 28/8/1900 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC1 West Cornwall, Trewoofe | Richard Barker Ullman | Richard Barker Ullman | 30/8/1929 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC2 East Cornwall, Charlestown | William Robert Sherrin | | 7/1921 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC2 East Cornwall, East Looe | Allan Octavian Hume | Allan Octavian Hume | 31/8/1900 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC17 Surrey, Kew Cultivated GB, VC2 East Cornwall, Egloshayle | J Fraser | Job Edward Lousley Mary Louisa Wedgwood | 17/8/1931 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC2 East Cornwall, Looe | Allan Octavian Hume | Allan Octavian Hume | 29/7/1900 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC2 East Cornwall, Par | William Robert Sherrin | | 7/1921 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC2 East Cornwall, Pentewan | Allan Octavian Hume | Allan Octavian Hume | 13/8/1901 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC2 East Cornwall, Pentewan | Allan Octavian Hume | Allan Octavian Hume | 13/8/1900 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC2 East Cornwall, Pentewan | Allan Octavian Hume | Allan Octavian Hume | 4/9/1901 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC2 East Cornwall, Pentewan | Allan Octavian Hume | Allan Octavian Hume | 4/9/1901 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC2 East Cornwall, Tintagel | Charles Baylis Green | Charles Baylis Green | 9/1905 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC3 South Devon, Ashburton | | John Ralfs | 9/1836 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC3 South Devon, Brent | Edward Palmer | William Hadden Beeby | 22/8/1836 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC3 South Devon, Devonport | Edward Palmer | William Hadden Beeby | 7/1836 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC3 South Devon, Kingsbridge | Stafford Edwin Chandler | Croydon Natural History and Scientific Society Stafford Edwin Chandler | 12/9/1921 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC4 North Devon, Woolacombe | Rex Alan Henry Graham | Job Edward Lousley | 12/8/1934 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC4 North Devon, Woolacombe | Rex Alan Henry Graham | Botanical Exchange Club of The British Isles | 12/8/1934 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC6 North Somerset, Bath | | | 30/8/1897 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC6 North Somerset, Portbury | James Walter White | Botanical Exchange Club of The British Isles William Hadden Beeby | 1/10/1885 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC6 North Somerset, Shipham on Mendip | James Walter White | Watson Botanical Exchange Club Job Edward Lousley | 23/8/1916 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC28 West Norfolk, Wells GB, VC9 Dorset, Edmondsham Cultivated | Edward Francis Linton | Watson Botanical Exchange Club Edward Francis Linton William Robert Sherrin | 20/9/1913 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC10 Isle of Wight, Niton | Frederick Townsend | Allan Octavian Hume Frederick Townsend | 7/1844 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC10 Isle of Wight, Steephill | Frederick Townsend | Frederick Townsend | | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC10 Isle of Wight, Ventnor | | | 19/8/1867 | ABS |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC11 South Hampshire, Lovedean | Patrick Martin Hall | Job Edward Lousley Patrick Martin Hall | 16/9/1937 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC13 West Sussex, Racton | Frederick Henry Arnold | William Hadden Beeby | 7/1878 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC17 Surrey, Ashtead Park | Arthur Langford Still Edward Charles Wallace | Watson Botanical Exchange Club Edward Charles Wallace | 16/9/1933 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC17 Surrey, Epsom | J Leighton | William Hadden Beeby | 8/1878 | SLBI |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC17 Surrey, Epsom | James Leighton | William Hunt Painter | 8/1878 | ABS |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC17 Surrey, Kew | George Nicholson | William Hadden Beeby | 1879 | SLBI |