+ | Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Mousehole | William Curnow | Charles Bailey Rex Alan Henry Graham | 9/1878 | MANCH |
| Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Mullion | James Cunnack | Charles Cardale Babington | 8/1882 | CGE |
+ | Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Mullion | James Cunnack | Charles Bailey John Isaac Briquet | 9/1881 | MANCH |
| Mentha x piperita | GB, VC1 West Cornwall, Newlyn, Penzance GB, VC17 Surrey, Croydon Cultivated | Arthur Bennett | J Fraser | | K |
| Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Newquay | Chambre Corker Vigurs | A Hosking Edward Morell Holmes | 8/1904 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Newquay | | Allan Octavian Hume | 30/8/1900 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Newquay | Chambre Corker Vigurs | Allan Octavian Hume | 30/8/1900 | SLBI |
| Mentha x piperita | GB, VC1 West Cornwall, Newquay | Chambre Corker Vigurs | Edward Walter Hunnybun | 1904 | K |
| Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Pengersick Castle | James Cunnack | Druce Herbarium, Oxford | 8/1878 | OXF |
| Mentha dumetorum | GB, VC1 West Cornwall, Pengersick Castle | | James Cunnack William Hunt Painter | 8/1878 | ABS |
| Mentha x piperita | GB, VC1 West Cornwall, Pengersick Castle | James Cunnack | | 7/1878 8/1878 | K |
+ | Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Penzance | | | 1/9/1873 | MANCH |
| Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Penzance | Edgar A Rees | Druce Herbarium, Oxford | 7/10/1923 | OXF |
+ | Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Penzance | | Charles Bailey | 9/1875 | MANCH |
| Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Penzance | William Curnow | | 9/1878 | LIV |
| Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Perranarworthal | Frederick Hamilton Davey | | 4/9/1911 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Perranarworthal | Frederick Hamilton Davey | | 4/9/1911 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Ponsanooth | Frederick Hamilton Davey | Allan Octavian Hume | 30/8/1899 | SLBI |
| Mentha x piperita | GB, VC1 West Cornwall, Ponsanooth | Cecil I Sandwith | | 18/8/1935 | K |
+ | Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Praa Green | James Cunnack | Charles Bailey John Isaac Briquet | 8/1881 | MANCH |
+ | Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Praa Green | James Cunnack | Charles Bailey John Isaac Briquet | 8/1881 | MANCH |
+ | Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Praa Sands | John Ralfs William Curnow | Charles Bailey | 26/8/1878 | MANCH |
+ | Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Praa Sands | William Curnow | Charles Bailey | 9/1879 | MANCH |
+ | Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Praa Sands | Henry Groves | Charles Bailey Henry & James Groves John Isaac Briquet | 28/8/1880 | MANCH |
| Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Praa Sands | William Curnow | Henry & James Groves Spencer Henry Bickham | 8/1882 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Praa Sands | Frederick Hamilton Davey | Watson Botanical Exchange Club Frederick Hamilton Davey Spencer Henry Bickham | 16/9/1911 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Praa Sands | William Curnow | | 9/1878 | LIV |
| Mentha x piperita | GB, VC1 West Cornwall, Praa Sands | James Cunnack | | 8/1881 | K |
| Mentha x piperita | GB, VC1 West Cornwall, Praa Sands | Henry Groves | Botanical Exchange Club of The British Isles Henry & James Groves | 28/8/1880 | K |
| Mentha x piperita | GB, VC1 West Cornwall, Praa Sands | John Ralfs | | 31/8/1877 | K |
| Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Saint Columb Minor Cultivated | Spencer Henry Bickham | Spencer Henry Bickham | 21/8/1908 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Saint Columb Minor Cultivated | Spencer Henry Bickham | Spencer Henry Bickham | 4/10/1904 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Saint Columb Minor Cultivated | | Watson Botanical Exchange Club Spencer Henry Bickham William Robert Sherrin | 21/8/1908 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Saint Columb Minor GB, VC36 Herefordshire, Ledbury Cultivated | Spencer Henry Bickham | Edward Shearburn Marshall George Claridge Druce Spencer Henry Bickham | 21/8/1908 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Saint Columb Minor GB, VC36 Herefordshire, Ledbury Cultivated | Spencer Henry Bickham | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford Spencer Henry Bickham | 21/8/1908 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Saint Columb Minor Cultivated | Spencer Henry Bickham | Watson Botanical Exchange Club Spencer Henry Bickham | 21/8/1908 | OXF |
| Mentha x piperita | GB, VC1 West Cornwall, Saint Ervan | Laurence Athelstan Molesworth Riley | Laurence Athelstan Molesworth Riley | 5/9/1906 | K |
| Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Saint Ives | William Curnow | | 8/1878 | LIV |
| Mentha x piperita | GB, VC1 West Cornwall, Tolskithy | Emily Sophia Todd | J Fraser | 29/8/1933 | K |
+ | Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Trereen | John Ralfs | Charles Bailey John Isaac Briquet Rex Alan Henry Graham | 2/9/1878 | MANCH |