| Mentha arvensis | GB, VC37 Worcestershire, Cotheridge | | Arthur Langford Still Job Edward Lousley | 12/9/1940 | K |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Wallington Cultivated GB, VC37 Worcestershire, Alfrick | Arthur Langford Still | Job Edward Lousley | 9/1940 | CGE |
| Mentha spicata | GB, VC36 Herefordshire, Wellington Cultivated | Arthur Langford Still | Arthur Langford Still | 29/7/1935 | K |
| Mentha arvensis x spicata = M. x gracilis | GB, VC36 Herefordshire, Symonds Yat | Arthur Langford Still | | 27/8/1936 | K |
| Mentha arvensis x spicata = M. x gracilis | GB, VC36 Herefordshire, Symonds Yat | Arthur Langford Still | | 27/8/1936 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC36 Herefordshire, Ledbury | Francis Morland Day | Arthur Langford Still | 29/8/1940 | CGE |
| Mentha x verticillata var. rivalis | GB, VC36 Herefordshire, Canon Frome | Arthur Langford Still | Arthur Langford Still Job Edward Lousley | 5/9/1940 | K |
| Mentha arvensis | GB, VC34 West Gloucestershire, Symonds Yat | Arthur Langford Still | Job Edward Lousley | 8/1927 | SLBI |
| Mentha arvensis x spicata = M. x gracilis | GB, VC17 Surrey, Wallington Cultivated GB, VC34 West Gloucestershire, Symonds Yat | Arthur Langford Still | Botanical Exchange Club of The British Isles | 8/1937 | K |
| Mentha arvensis x spicata = M. x gracilis | GB, VC34 West Gloucestershire, Symonds Yat Cultivated | Arthur Langford Still | | 8/1937 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC34 West Gloucestershire, Symonds Yat | Arthur Langford Still | Job Edward Lousley | 10/8/1940 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC34 West Gloucestershire, Symonds Yat | Arthur Langford Still | | 10/8/1940 | CGE |
| Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC34 West Gloucestershire, Symonds Yat | Arthur Langford Still | Job Edward Lousley | 28/8/1936 | SLBI |
| Mentha arvensis x spicata = M. x gracilis | GB, VC34 West Gloucestershire, Lydbrook | Arthur Langford Still | | 28/8/1936 | OXF |
| Mentha piperita var. piperita | GB, VC33 East Gloucestershire, Fossebridge | Arthur Langford Still | Arthur Langford Still Job Edward Lousley | 23/8/1937 | K |
| Silene otites | GB, VC26,VC28, Barnhamcross Common | Arthur Langford Still | Edward Charles Wallace Harold Stuart Thompson | 7/7/1934 | BIRM |
| Vicia sativa | GB, Norfolk, Blakeney | Arthur Langford Still | Edward Charles Wallace Job Edward Lousley | 6/1932 | SLBI |
| Carex disticha | GB, VC27 East Norfolk, Holt Lowes | Arthur Langford Still | | 6/1932 | BM |
| Carex strigosa | GB, VC24 Buckinghamshire, Penn | Arthur Langford Still | Edward Charles Wallace Robert MacKechnie | 25/5/1933 | E |
| Mentha aquatica x spicata = M. x piperita | GB, VC24 Buckinghamshire, Iver | Arthur Langford Still | Job Edward Lousley | 21/9/1935 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC24 Buckinghamshire, Iver | Arthur Langford Still | | 21/9/1935 | SLBI |
| Mentha arvensis x spicata = M. x gracilis | GB, VC23 Oxfordshire, Oxford | | Druce Herbarium, Oxford Arthur Langford Still | 6/9/1937 | 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 |
| 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 aquatica | GB, VC20 Hertfordshire, Royston | Arthur Langford Still | Arthur Langford Still | 29/9/1935 | 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 |
| Trifolium ochroleucon | GB, VC19 North Essex, Cressing | Arthur Langford Still | | 12/7/1935 | SLBI |
| Damasonium alisma | GB, VC17 Surrey, Worplesdon | Arthur Langford Still | | 7/7/1939 | E |
| Lotus angustissimus | GB, VC17 Surrey, Wonersh | Arthur Langford Still | Job Edward Lousley | 13/8/1935 | SLBI |
| Mentha aquatica var. weiheana | GB, VC17 Surrey, Woking | Arthur Langford Still Edward Charles Wallace | Edward Charles Wallace | 6/9/1935 | K |
| Mentha aquatica | GB, VC17 Surrey, Wallington Cultivated | Arthur Langford Still | | 21/5/1935 | SLBI |
| Mentha aquatica | GB, VC17 Surrey, Wallington Cultivated GB, VC20 Hertfordshire, Roydon | Arthur Langford Still | Botanical Exchange Club of The British Isles | 6/9/1936 | K |
| Mentha aquatica | GB, VC17 Surrey, Wallington Cultivated | Arthur Langford Still | Botanical Exchange Club of The British Isles | 6/9/1936 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Wallington Cultivated GB, VC20 Hertfordshire, Roydon | Arthur Langford Still | Botanical Exchange Club of The British Isles | 6/9/1936 | OXF |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Wallington Cultivated GB, VC6 North Somerset, Weston in Gordano | Arthur Langford Still | | 8/1937 | OXF |
| Mentha arvensis x spicata = M. x gracilis | GB, VC17 Surrey, Wallington Cultivated | Arthur Langford Still | | 8/1926 | OXF |