 | Mentha gentilis var. gracilis | GB, VC17 Surrey, Wallington Cultivated | Arthur Langford Still | Botanical Society & Exchange Club of The British Isles Arthur Langford Still | 8/1936 | K |
 | Mentha x piperita | GB, VC17 Surrey, Wallington Cultivated GB, VC6 North Somerset, Weston in Gordano | Arthur Langford Still | Botanical Society & Exchange Club of The British Isles | 8/1937 | K |
 | Mentha aquatica x spicata = M. x piperita | GB, VC14 East Sussex, Danehill | Arthur Langford Still | Botanical Exchange Club of The British Isles Druce Herbarium, Oxford Edward Charles Wallace | 8/9/1926 | 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 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, VC41 Glamorganshire, Bishopston | Arthur Langford Still | Botanical Society & Exchange Club of The British Isles Druce Herbarium, Oxford | 3/9/1937 | OXF |
 | Mentha arvensis x spicata = M. x gracilis | GB, VC41 Glamorganshire, Parkmill, Gower | Arthur Langford Still | Botanical Society & Exchange Club of The British Isles Druce Herbarium, Oxford | 1/9/1937 | OXF |
 | Carex contigua | GB, VC9 Dorset, Studland | Arthur Langford Still | National Museum of Wales Edward Charles Wallace Job Edward Lousley | 8/6/1933 | SLBI |
 | Mentha arvensis x aquatica = M. x verticillata | GB, VC4 North Devon, Belstone | Arthur Langford Still | University of Exeter | 29/7/1937 | LIV |
 | Mentha spicata x suaveolens = M. x villosa | GB, VC3 South Devon, Dawlish | Arthur Langford Still | University of Exeter | 8/9/1937 | LIV |
 | 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 |
 | Ranunculus peltatus | GB, VC12 North Hampshire, Odiham | Arthur Langford Still Edward Charles Wallace | Watson Botanical Exchange Club Edward Charles Wallace Job Edward Lousley | 20/5/1933 | SLBI |
 | Mentha aquatica | GB, VC17 Surrey, Shalford | Arthur Langford Still S A Chambers | S A Chambers | 27/9/1932 | SLBI |
 | Carex paniculata x remota = C. x boenninghauseniana | GB, VC4 North Devon, Tiverton | Arthur Langford Still | | 1/7/1941 | BM |
 | Carex paniculata x remota = C. x boenninghauseniana | GB, Devon, Tiverton | Arthur Langford Still | Arthur Langford Still | 16/6/1942 | BM |
 | Mentha suaveolens x longifolia = M. x rotundifolia var. webberi | GB, VC90 Angus, Glamis | Arthur Langford Still Robert Henry Corstorphine | Edward Charles Wallace | 19/8/1937 | OXF |
 | Carex muricata subsp. pairae | GB, VC52 Anglesey, Rhoscolyn | Arthur Langford Still | | 14/6/1937 | BM |
 | Carex muricata subsp. pairae | GB, VC52 Anglesey, Bodorgan | Arthur Langford Still | | 29/6/1936 | BM |
 | Mentha aquatica x spicata = M. x piperita | GB, VC36 Herefordshire, Ledbury | Francis Morland Day | Arthur Langford Still | 29/8/1940 | CGE |
 | 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 spicata = M. x gracilis | GB, VC17 Surrey, Bookham | Arthur Langford Still | Joseph Norman Frankland | 7/9/1937 | LIV |
 | Mentha suaveolens | GB, VC17 Surrey, Ashtead Park | Arthur Langford Still Edward Charles Wallace | Watson Botanical Exchange Club Edward Charles Wallace J Fraser | 16/9/1933 | K |
 | Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Chiddingfold | Arthur Langford Still | Job Edward Lousley | 5/9/1937 | CGE |
 | 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 aquatica x spicata = M. x piperita | GB, VC90 Angus, Fern Den | Arthur Langford Still | Job Edward Lousley | 20/8/1937 | SLBI |
 | Mentha aquatica x spicata = M. x piperita | GB, VC41 Glamorganshire, Llangennith | Arthur Langford Still | Edward Charles Wallace Job Edward Lousley | 11/8/1934 | SLBI |
 | 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, VC3 South Devon, Aveton Gifford | Arthur Langford Still | Job Edward Lousley | 21/8/1935 | SLBI |
 | 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, VC34 West Gloucestershire, Symonds Yat Cultivated | Arthur Langford Still | | 8/1937 | OXF |
 | 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, VC41 Glamorganshire, Llangennith | Arthur Langford Still | Edward Charles Wallace | 16/9/1934 | OXF |
 | Mentha arvensis x spicata = M. x gracilis | GB, VC34 West Gloucestershire, Lydbrook | Arthur Langford Still | | 28/8/1936 | OXF |
 | 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 spicata | GB, VC90 Angus, Glamis | Arthur Langford Still | Botanical Exchange Club of The British Isles | 19/8/1937 | K |
 | Mentha spicata | GB, VC17 Surrey, Wallington Cultivated GB, VC2 East Cornwall, Crackington | Arthur Langford Still | Job Edward Lousley | 1/8/1940 | K |
 | Mentha spicata | GB, VC90 Angus, Glamis | Arthur Langford Still | Botanical Exchange Club of The British Isles | 19/8/1937 | K |
 | Mentha x piperita | GB, VC14 East Sussex, Danehill | Arthur Langford Still | Botanical Society & Exchange Club of The British Isles | 8/9/1936 | K |
 | Mentha suaveolens x longifolia = M. x rotundifolia | GB, VC45 Pembrokeshire, Manorbier | Joseph Donald Grose | Arthur Langford Still | 13/9/1937 | 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 |