| Ranunculus parviflorus | GB, VC1 West Cornwall, Mullion | Arthur Langford Still | | 9/6/1938 | SLBI |
| Fumaria bastardii var. hibernica | GB, VC1 West Cornwall, Mullion Cove | Arthur Langford Still | | 12/6/1938 | 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 aquatica | GB, VC1 West Cornwall, Perranwell | Arthur Langford Still | | 22/8/1935 | SLBI |
| Atriplex laciniata | GB, VC1 West Cornwall, Poldhu Cove | Arthur Langford Still | Edward Charles Wallace Job Edward Lousley | 22/8/1935 | SLBI |
| Mentha aquatica | GB, VC1 West Cornwall, Ruan Major | Arthur Langford Still | | 22/8/1935 | SLBI |
| Mentha longifolia | GB, VC1 West Cornwall, Saint Columb Minor | Arthur Langford Still | Job Edward Lousley | 21/8/1935 | SLBI |
| Carex remota x vulpina = C. axilaris | GB, VC2 East Cornwall, Marhamchurch | Arthur Langford Still | Arthur Langford Still | 20/6/1939 | 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, 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 |
| Verbena officinalis | GB, VC3 South Devon, Salcombe | Arthur Langford Still | Edward Charles Wallace | 20/8/1935 | 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 |
| Hieracium trichocaulon | GB, VC4 North Devon, Bampton | Arthur Langford Still | John Richard Wallis | 12/8/1942 | SLBI |
| Polygala vulgaris subsp. collina | GB, VC4 North Devon, Cove, Landrake | Arthur Langford Still | Edward Charles Wallace | 2/7/1942 | SLBI |
| Melittis melissophyllum | GB, VC4 North Devon, Hartland | Arthur Langford Still | Job Edward Lousley | 10/6/1941 | SLBI |
| Carex otrubae | GB, VC4 North Devon, Tiverton | Arthur Langford Still | Job Edward Lousley | 24/6/1944 | SLBI |
| Mentha arvensis x spicata = M. x gracilis | GB, VC4 North Devon, Tiverton | Arthur Langford Still | John Richard Wallis | 12/5/1941 | SLBI |
| Carex paniculata x remota = C. x boenninghauseniana | GB, VC4 North Devon, Tiverton | Arthur Langford Still | John Richard Wallis | 24/5/1941 | SLBI |
| Carex paniculata x remota = C. x boenninghauseniana | GB, Devon, Tiverton | Arthur Langford Still | Job Edward Lousley | 24/6/1941 | SLBI |
| Sagina apetala | GB, Devon, Tiverton | Arthur Langford Still | Job Edward Lousley | 15/5/1944 | SLBI |
| Carex divulsa | GB, Devon, Tiverton | Arthur Langford Still | Job Edward Lousley | 6/6/1944 | SLBI |
| Eleocharis multicaulis | GB, Devon, Tiverton | Arthur Langford Still | Job Edward Lousley | 10/6/1944 | SLBI |
| Galeopsis tetrahit | GB, Devon, Tiverton | Arthur Langford Still | Arthur Langford Still | 17/7/1941 | SLBI |
| Lithospermum purpureocaeruleum | GB, VC6 North Somerset, Axbridge | Arthur Langford Still | Edward Charles Wallace Job Edward Lousley | 4/6/1924 | SLBI |
| Eriophorum latifolium | GB, VC6 North Somerset, Charterhouse on Mendip | Arthur Langford Still | Job Edward Lousley | 12/6/1934 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC6 North Somerset, East Harptree | Arthur Langford Still | | 23/8/1938 | SLBI |
| Mentha arvensis | GB, VC6 North Somerset, East Harptree | Arthur Langford Still | | 23/8/1938 | SLBI |
| Carex remota x vulpina = C. axilaris | GB, VC6 North Somerset, Kenn | Arthur Langford Still | Edward Charles Wallace Job Edward Lousley | 12/6/1924 | SLBI |
| Carex contigua | GB, VC6 North Somerset, Shapwick | Arthur Langford Still | Edward Charles Wallace Job Edward Lousley | 19/6/1934 | SLBI |
| Carex elata | GB, VC6 North Somerset, Tickenham | Arthur Langford Still | Edward Charles Wallace Job Edward Lousley | 14/6/1934 | SLBI |
| Carex contigua | GB, VC9 Dorset, Studland | Arthur Langford Still | National Museum of Wales Edward Charles Wallace Job Edward Lousley | 8/6/1933 | SLBI |
| Carex muricata subsp. pairae | GB, VC9 Dorset, Wimborne | Arthur Langford Still | Edward Charles Wallace Job Edward Lousley | 2/6/1933 | SLBI |
| Potamogeton alpinus | GB, VC11 South Hampshire, Basingstoke Canal | Arthur Langford Still | | 6/1937 | SLBI |
| Mentha arvensis x spicata = M. x gracilis | GB, VC12 North Hampshire, Hazeley Heath | Arthur Langford Still | Job Edward Lousley | 4/9/1936 | 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 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 aquatica x spicata = M. x piperita | GB, VC14 East Sussex, Danehill | Arthur Langford Still | Botanical Exchange Club of The British Isles Job Edward Lousley | 8/9/1936 | SLBI |
| Mentha aquatica x spicata = M. x piperita | GB, VC14 East Sussex, Danehill | Arthur Langford Still | Botanical Exchange Club of The British Isles | 8/9/1936 | SLBI |
| Carex acuta | GB, VC16 West Kent, Tonbridge | Arthur Langford Still | | 20/5/1940 | SLBI |