| Mentha aquatica x spicata = M. x piperita | GB, VC90 Angus, Fern Den | Arthur Langford Still | Job Edward Lousley | 20/8/1937 | SLBI |
| Mentha arvensis | GB, VC3 South Devon, Buckfastleigh | Arthur Langford Still | | 20/7/1935 | K |
| Mentha arvensis | GB, VC6 North Somerset, East Harptree | Arthur Langford Still | | 23/8/1938 | SLBI |
| Mentha arvensis | GB, VC17 Surrey, Great Bookham Common | Arthur Langford Still | Edward Charles Wallace Job Edward Lousley | 3/8/1934 | SLBI |
| Mentha arvensis | GB, VC17 Surrey, Holmwood Common | Arthur Langford Still | Harold Stuart Thompson | 6/9/1935 | BIRM |
| Mentha arvensis | GB, VC17 Surrey, Leatherhead | Arthur Langford Still | Job Edward Lousley | 2/8/1935 | K |
| Mentha arvensis | GB, VC34 West Gloucestershire, Symonds Yat | Arthur Langford Still | Job Edward Lousley | 8/1927 | SLBI |
| Mentha arvensis | GB, VC37 Worcestershire, Cotheridge | | Arthur Langford Still Job Edward Lousley | 12/9/1940 | K |
| Mentha arvensis | GB, VC41 Glamorganshire, Llanrhidian | Arthur Langford Still | Edward Charles Wallace Job Edward Lousley | 12/8/1934 | SLBI |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC4 North Devon, Belstone | Arthur Langford Still | University of Exeter | 29/7/1937 | LIV |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC5 South Somerset, Dulverton | Arthur Langford Still | Harold Stuart Thompson | 27/8/1935 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC17 Surrey, Bookham Common | Arthur Langford Still | Arthur Langford Still Harold Stuart Thompson | 3/8/1924 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC17 Surrey, Newdigate | Arthur Langford Still | Job Edward Lousley | 31/8/1933 | SLBI |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC21 Middlesex, Stanmore | Arthur Langford Still | | 26/8/1930 to 26/8/1939 | K |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC21 Middlesex, Stanmore | Arthur Langford Still | Botanical Exchange Club of The British Isles | 18/9/1936 | K |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC21 Middlesex, Stanmore | Arthur Langford Still | | 18/9/1936 | K |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC21 Middlesex, Stanmore | Arthur Langford Still | Botanical Exchange Club of The British Isles | 18/9/1936 | SLBI |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC21 Middlesex, Stanmore | Arthur Langford Still | Harold Stuart Thompson | 26/8/1938 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC41 Glamorganshire, Bishopston | Esther J Bowen | Arthur Langford Still | 23/9/1934 | K |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC41 Glamorganshire, Parkmill | Arthur Langford Still | Botanical Exchange Club of The British Isles | 1/9/1937 | K |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC41 Glamorganshire, Parkmill | Eleanor Vachell | Harold Stuart Thompson Arthur Langford Still | 10/9/1934 | BIRM |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC41 Glamorganshire, Parkmill | Eleanor Vachell | Arthur Langford Still | 15/9/1934 | SLBI |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC3 South Devon, Totnes | Francis Morland Day | Job Edward Lousley Arthur Langford Still | 17/9/1938 | SLBI |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC12 North Hampshire, Winchfield Cultivated | Arthur Langford Still | Job Edward Lousley | 26/8/1935 | SLBI |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, North Holmwood | Arthur Langford Still | | 2/9/1935 | SLBI |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC41 Glamorganshire, Llangennith | Arthur Langford Still | Edward Charles Wallace Job Edward Lousley | 11/8/1934 | SLBI |
| Mentha arvensis x spicata = M. x gracilis | GB, VC1 West Cornwall, Perranarworthal | Arthur Langford Still | Edward Charles Wallace Job Edward Lousley | 22/8/1935 | SLBI |
| Mentha arvensis x spicata = M. x gracilis | GB, VC2 East Cornwall, Looe | Arthur Langford Still | | 8/1906 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC3 South Devon, Aveton Gifford | Arthur Langford Still | Edward Charles Wallace Job Edward Lousley | 21/8/1935 | SLBI |
| Mentha arvensis x spicata = M. x gracilis | GB, VC3 South Devon, Buckfastleigh | Arthur Langford Still | Edward Charles Wallace Job Edward Lousley | | SLBI |
| Mentha arvensis x spicata = M. x gracilis | GB, VC3 South Devon, Buckfastleigh | Arthur Langford Still | Harold Stuart Thompson | 20/8/1935 | BIRM |
| Mentha arvensis x spicata = M. x gracilis | GB, VC3 South Devon, Meavy | William Booth Waterfall | Arthur Langford Still Harold Stuart Thompson | 7/1878 | BIRM |
| Mentha arvensis x spicata = M. x gracilis | GB, VC4 North Devon, Tiverton | Arthur Langford Still | John Richard Wallis | 12/5/1941 | SLBI |
| Mentha arvensis x spicata = M. x gracilis | GB, VC12 North Hampshire, Hazeley Heath | Arthur Langford Still | Job Edward Lousley | 4/9/1936 | SLBI |
| Mentha arvensis x spicata = M. x gracilis | GB, VC17 Surrey, Bookham | Arthur Langford Still | Joseph Norman Frankland | 7/9/1937 | LIV |
| Mentha arvensis x spicata = M. x gracilis | GB, VC17 Surrey, Wallington Cultivated | Arthur Langford Still | | 8/1926 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC17 Surrey, Wallington Cultivated | Arthur Langford Still | F W Holder | 8/1936 | LIV |
| Mentha arvensis x spicata = M. x gracilis | GB, VC17 Surrey, Wallington | Arthur Langford Still | Job Edward Lousley | 10/8/1940 | K |
| Mentha arvensis x spicata = M. x gracilis | GB, VC20 Hertfordshire, Harpenden Cultivated | Harry Joseph Riddelsdell | Arthur Langford Still Harry Joseph Riddelsdell | 8/1938 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC21 Middlesex, Stanmore Common | Arthur Langford Still | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford Edward Charles Wallace | 19/9/1936 | OXF |