| Mentha arvensis x aquatica = M. x verticillata | | | John Harriman William Sole | | LIV |
| Mentha aquatica x spicata = M. x piperita | | | John Harriman William Sole | | LIV |
| Mentha arvensis x aquatica = M. x verticillata | | | John Harriman William Sole | | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC66 County Durham, River Team | | John Harriman William Sole | | LIV |
| Mentha arvensis x spicata = M. x gracilis | | | John Harriman William Sole | | LIV |
| Mentha arvensis x spicata = M. x gracilis | | | John Harriman William Sole | | LIV |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, Somerset | William Hudson William Sole | Carlisle Museum Herbarium Samuel Goodenough | | K |
| Mentha gentilis var. gracilis | | William Sole | Benjamin Thompson Lowne jnr | | K |
| Mentha gentilis var. gracilis | | William Sole | Benjamin Thompson Lowne jnr | | K |
| Mentha gentilis var. gracilis | | William Sole | Benjamin Thompson Lowne jnr | | K |
| Mentha aquatica | | William Sole | William Jackson Hooker | | K |
| Mentha aquatica | GB, VC6 North Somerset, Bath Cultivated | William Sole | Carlisle Museum Herbarium Samuel Goodenough | | K |
| Mentha aquatica | | William Sole | Samuel Goodenough | | K |
| Mentha aquatica | | William Sole | Dawson Turner William Jackson Hooker | | K |
| Mentha aquatica | | | Carlisle Museum Herbarium Samuel Goodenough William Sole | | K |
| Mentha aquatica | GB, VC12 North Hampshire, Liss | William Sole | Carlisle Museum Herbarium Samuel Goodenough | | K |
| Mentha aquatica | | William Sole | Dawson Turner | | K |
| Mentha aquatica | GB, VC8 South Wiltshire, Old Sarum | William Sole | William Jackson Hooker | | K |
| Mentha aquatica | GB, Somerset | William Sole | Carlisle Museum Herbarium Samuel Goodenough | | K |
| Mentha aquatica | | William Sole | Samuel Goodenough Carlisle Museum Herbarium | | K |
| Mentha aquatica | | William Sole | Dawson Turner William Jackson Hooker | | K |
| Mentha aquatica x spicata = M. x piperita var. crispa | | William Sole | Carlisle Museum Herbarium Samuel Goodenough | | K |
| Mentha aquatica x spicata = M. x piperita var. citrata | GB, VC6 North Somerset, Bath Cultivated | | William Sole | | K |
| Mentha aquatica x spicata = M. x piperita var. citrata | | | William Sole | | K |
| Mentha arvensis x aquatica = M. x verticillata | | William Sole | Martyn | | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC6 North Somerset, Bath Cultivated | William Sole | Carlisle Museum Herbarium Samuel Goodenough | | K |
| Mentha arvensis x aquatica = M. x verticillata | | William Sole | Carlisle Museum Herbarium Samuel Goodenough | | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC6 North Somerset, Bath Cultivated | William Sole | Samuel Goodenough | | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, Somerset | William Sole | | | K |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, Somerset | William Sole | Carlisle Museum Herbarium Samuel Goodenough | | K |
| Mentha arvensis x spicata = M. x gracilis | | | William Sole | | LIV |
| Mentha arvensis x spicata = M. x gracilis | | William Sole | Dawson Turner William Jackson Hooker | | K |
| Mentha arvensis x spicata = M. x gracilis | | William Sole | Samuel Goodenough | | K |
| Mentha arvensis x spicata = M. x gracilis | GB, VC6 North Somerset, Bath Cultivated | William Sole | | | K |
| Mentha arvensis x spicata = M. x gracilis | | William Sole | Dawson Turner William Jackson Hooker | | K |
| Mentha gentilis var. gracilis | | | Carlisle Museum Herbarium Samuel Goodenough William Sole | | K |
| Mentha gentilis var. varigata | GB, VC6 North Somerset, Bath Cultivated | William Sole | Samuel Goodenough | | K |
| Mentha gentilis var. gracilis | GB, VC6 North Somerset, Bath Cultivated | William Sole | Samuel Goodenough | | K |
| Mentha gentilis var. gracilis | | William Sole | Forsyth | | K |
| Mentha gentilis var. gracilis | GB, VC6 North Somerset, Bath Cultivated | William Sole | Samuel Goodenough Carlisle Museum Herbarium | | K |