| Rubus boulayi | GB, VC9 Dorset, Branksome Park, Bournemouth | William Charles Richard Watson | William Charles Richard Watson | 10/9/1936 | SLBI |
| Rubus silurum | GB, VC34 West Gloucestershire, Mitcheldean Meend | William Charles Richard Watson | | 1937 | SLBI |
| Rubus oxyanchus | GB, VC17 Surrey, Newlands Corner | William Charles Richard Watson | William Charles Richard Watson | 27/6/1937 | SLBI |
| Rubus oxyanchus | GB, VC17 Surrey, Newlands Corner | William Charles Richard Watson | | 27/6/1937 | SLBI |
| Rubus platyacanthus | GB, VC16 West Kent, Hayes Common | William Charles Richard Watson | W O R Watson | 2/7/1937 | SLBI |
| Rubus fuscus | GB, VC18 South Essex, Epping Forest | William Charles Richard Watson | William Charles Richard Watson | 3/7/1937 | SLBI |
| Rubus fuscus | GB, VC18 South Essex, Epping Forest | William Charles Richard Watson | | 3/7/1937 | SLBI |
| Rubus botryeros | GB, VC3 South Devon, Hemerdon | | William Charles Richard Watson | 4/7/1937 | SLBI |
| Rubus errabundus | GB, VC17 Surrey, Tooting Bec | | William Charles Richard Watson | 7/7/1937 | SLBI |
| Rubus sciocharis | GB, VC15 East Kent, Bigbury Cultivated | William Charles Richard Watson | William Charles Richard Watson | 8/7/1937 | SLBI |
| Rubus bloxamii | GB, VC16 West Kent, Tunbridge Wells | William Charles Richard Watson | | 8/7/1937 | SLBI |
| Rubus fissus | GB, VC16 West Kent, Hayes Common | William Charles Richard Watson | William Charles Richard Watson | 9/7/1937 | SLBI |
| Rubus crespignyanus | GB, VC16 West Kent, Hayes Common | William Charles Richard Watson | William Charles Richard Watson | 9/7/1937 | SLBI |
| Rubus crespignyanus | GB, VC16 West Kent, Hayes Common | William Charles Richard Watson | William Charles Richard Watson | 9/7/1937 | SLBI |
| Rubus silurum | GB, VC34 West Gloucestershire, Mitcheldean Meend Cultivated | William Charles Richard Watson | William Charles Richard Watson | 9/7/1937 | SLBI |
| Rubus plicatus | GB, VC16 West Kent, Tunbridge Wells | William Charles Richard Watson | William Charles Richard Watson | 10/7/1937 | SLBI |
| Rubus lindebergii | GB, VC62 North-east Yorkshire, Gormire | William Charles Richard Watson | William Charles Richard Watson | 27/7/1937 | SLBI |
| Rubus nemoralis | GB, VC62 North-east Yorkshire, Gormire | William Charles Richard Watson | William Charles Richard Watson | 27/7/1937 | SLBI |
| Rubus infestus | GB, VC62 North-east Yorkshire, Yearsley Bank | William Charles Richard Watson | | 29/7/1937 | SLBI |
| Rubus ramosus | GB, VC21 Middlesex, Harrow Weald | William Charles Richard Watson | William Charles Richard Watson | 21/8/1937 | SLBI |
| Rubus cambrensis | GB, Ambiguous locality (GB), Bickley Cultivated | William Charles Richard Watson | William Charles Richard Watson | 2/6/1938 1/8/1938 | SLBI |
| Rubus salteri | GB, VC10 Isle of Wight, Apsecastle Wood GB, VC16 West Kent, Bickley Cultivated | William Charles Richard Watson | William Charles Richard Watson | 26/6/1938 | SLBI |
| Rubus armeniacus | GB, VC16 West Kent, Tunbridge Wells | William Charles Richard Watson | | 20/7/1938 | SLBI |
| Rubus armeniacus | GB, VC16 West Kent, Tunbridge Wells | William Charles Richard Watson | | 20/7/1938 | SLBI |
| Rubus campaniensis | GB, VC16 West Kent, Hosey Common | William Charles Richard Watson | | 21/7/1938 28/8/1951 | SLBI |
| Rubus andegavensis | GB, VC16 West Kent, Westerham | William Charles Richard Watson | William Charles Richard Watson | 22/7/1938 | SLBI |
| Rubus leucostachys | GB, VC16 West Kent, Crockham Hill | William Charles Richard Watson | William Charles Richard Watson | 25/7/1938 | SLBI |
| Rubus cantianus | GB, VC15 East Kent, Sutton Valence | William Charles Richard Watson | | 30/7/1938 | SLBI |
| Rubus ahenifolius | GB, VC17 Surrey, Woking | William Charles Richard Watson | | 6/8/1938 | SLBI |
| Rubus ahenifolius | GB, VC17 Surrey, Woking | William Charles Richard Watson | William Charles Richard Watson | 6/8/1938 | SLBI |
| Rubus radula | GB, VC17 Surrey, Woking | William Charles Richard Watson | William Charles Richard Watson | 6/8/1938 | SLBI |
| Rubus cornubiensis | GB, VC3 South Devon, Honicknowle | William Charles Richard Watson | William Charles Richard Watson | 7/7/1939 | SLBI |
| Rubus diversus | GB, VC16 West Kent, Erith, Lesnes Wood | William Charles Richard Watson | William Charles Richard Watson | 16/7/1939 | SLBI |
| Rubus sagittarius | GB, VC3 South Devon, Birdshead | William Charles Richard Watson | | 17/7/1939 | SLBI |
| Rubus cornubiensis | GB, VC3 South Devon, Honicknowle | William Charles Richard Watson | William Charles Richard Watson | 17/7/1939 | SLBI |
| Rubus dentatifolius | GB, VC3 South Devon, Roborough Downs | William Charles Richard Watson | | 19/7/1939 | SLBI |
| Rubus acclivitatum | GB, VC3 South Devon, Cornwood | William Charles Richard Watson | William Charles Richard Watson | 21/7/1939 | SLBI |
| Rubus armipotens | GB, VC16 West Kent, Eltham | | William Charles Richard Watson | 28/7/1939 | SLBI |
| Rubus armipotens | GB, VC16 West Kent, Eltham | William Charles Richard Watson | William Charles Richard Watson | 28/7/1939 | SLBI |
| Rubus infestior | GB, VC17 Surrey, Witley | William Charles Richard Watson | | 30/7/1939 | SLBI |