| Rubus carnkiefensis | GB, VC1 West Cornwall, Carnkief | William Charles Richard Watson | William Charles Richard Watson | 11/7/1951 | SLBI |
| Rubus septentrionalis | GB, VC1 West Cornwall, Carnkief | William Charles Richard Watson | William Charles Richard Watson | 11/7/1951 | SLBI |
| Rubus tresidderi | GB, VC1 West Cornwall, Lambourne | Francis Rilstone | William Charles Richard Watson | 7/1949 | SLBI |
| Rubus riddelsdellii | GB, VC1 West Cornwall, Newlyn Downs | William Charles Richard Watson | William Charles Richard Watson | 11/7/1951 | SLBI |
| Rubus daveyi | GB, VC1 West Cornwall, Truro,Chiverton | William Charles Richard Watson | William Charles Richard Watson | 11/7/1951 | SLBI |
| Rubus fuscoviridis | GB, VC2 East Cornwall, Polperro | William Charles Richard Watson | William Charles Richard Watson | 7/7/1951 | SLBI |
| Rubus rilstonei | GB, VC2 East Cornwall, Polperro | William Charles Richard Watson | William Charles Richard Watson | 8/7/1926 | SLBI |
| Rubus newbouldianus | GB, VC2 East Cornwall, Port Gaverne Cultivated | William Charles Richard Watson | | 20/6/1950 | SLBI |
| Rubus peninsulae | GB, VC2 East Cornwall, Restormel Cultivated | William Charles Richard Watson | | 28/7/1954 | SLBI |
| Rubus coombensis | GB, VC3 South Devon, Bickleigh | William Charles Richard Watson | William Charles Richard Watson | 6/7/1951 | SLBI |
| Rubus sagittarius | GB, VC3 South Devon, Birdshead | William Charles Richard Watson | | 17/7/1939 | SLBI |
| Rubus subopacus | GB, VC3 South Devon, Cholwicktown | William Charles Richard Watson | William Charles Richard Watson | 4/7/1951 | SLBI |
| Rubus acclivitatum | GB, VC3 South Devon, Cornwood | William Charles Richard Watson | William Charles Richard Watson | 21/7/1939 | SLBI |
| Rubus briggsianus | GB, VC3 South Devon, Cornwood | William Charles Richard Watson | William Charles Richard Watson | 4/7/1951 | SLBI |
| Rubus rubritinctus | GB, VC3 South Devon, Dawlish | William Charles Richard Watson | William Charles Richard Watson | | SLBI |
| Rubus botryeros | GB, VC3 South Devon, Hemerdon | | William Charles Richard Watson | 4/7/1937 | SLBI |
| Rubus cornubiensis | GB, VC3 South Devon, Honicknowle | William Charles Richard Watson | William Charles Richard Watson | 7/7/1939 | SLBI |
| Rubus cornubiensis | GB, VC3 South Devon, Honicknowle | William Charles Richard Watson | William Charles Richard Watson | 17/7/1939 | SLBI |
| Rubus orbus | GB, VC3 South Devon, near Cholwicktown | William Charles Richard Watson | William Charles Richard Watson | 6/7/1917 | SLBI |
| Rubus dentatifolius | GB, VC3 South Devon, Roborough Downs | William Charles Richard Watson | | 19/7/1939 | SLBI |
| Rubus altiarcuatus | GB, VC4 North Devon, Lynton,Watersmeet | William Charles Richard Watson | William Charles Richard Watson | 2/7/1951 | SLBI |
| Rubus altiarcuatus | GB, VC4 North Devon, Watersmeet | William Charles Richard Watson | William Charles Richard Watson | 2/7/1951 | SLBI |
| Rubus lanaticaulis | GB, VC5 South Somerset, Minehead | William Charles Richard Watson | William Charles Richard Watson | 8/8/1934 | SLBI |
| Rubus stenopetalus | GB, VC8 South Wiltshire, Everleigh | | William Charles Richard Watson | 20/7/1949 | SLBI |
| Rubus arrhenii | GB, VC8 South Wiltshire, Longleat Cultivated | William Charles Richard Watson | | 21/7/1954 | SLBI |
| Rubus melanocladus | GB, VC8 South Wiltshire, Longleat | William Charles Richard Watson | William Charles Richard Watson | 19/7/1948 | SLBI |
| Rubus leyanus | GB, VC8 South Wiltshire, Warminster | William Charles Richard Watson | | 14/7/1951 | SLBI |
| Rubus leyanus | GB, VC8 South Wiltshire, Warminster | William Charles Richard Watson | William Charles Richard Watson | 14/7/1951 | SLBI |
| Rubus pullifolius | GB, VC9 Dorset, Bournemouth | William Charles Richard Watson | William Charles Richard Watson | 1/7/1951 | SLBI |
| Rubus boulayi | GB, VC9 Dorset, Branksome Park, Bournemouth | William Charles Richard Watson | William Charles Richard Watson | 10/9/1936 | SLBI |
| Rubus durotrigum | GB, VC9 Dorset, Dullar Wood | William Charles Richard Watson | William Charles Richard Watson | 2/7/1951 | SLBI |
| Rubus durotrigum | GB, VC9 Dorset, Dullar Wood | | William Charles Richard Watson | 2/7/1951 | SLBI |
| Rubus questieri | GB, VC9 Dorset, Foxholes Wood | William Charles Richard Watson | William Charles Richard Watson | 2/7/1951 | SLBI |
| Rubus pullifolius | GB, VC9 Dorset, Talbot Heath | William Charles Richard Watson | William Charles Richard Watson | 1/7/1951 | SLBI |
| Rubus mollissimus | GB, VC9 Dorset, Verwood | William Charles Richard Watson | William Charles Richard Watson | 1/7/1951 | SLBI |
| Rubus subintegribasis | GB, VC9 Dorset, Verwood | | William Charles Richard Watson | 1/7/1951 | SLBI |
| Rubus salteri | GB, VC10 Isle of Wight, Apsecastle Wood Cultivated | William Charles Richard Watson | Botanical Exchange Club of The British Isles | 1934 | SLBI |
| Rubus raduloides | GB, VC11 South Hampshire, Eastleigh | William Charles Richard Watson | | 14/7/1951 | SLBI |
| Rubus euanthinus | GB, VC11 South Hampshire, Matley Bog | William Charles Richard Watson | | 18/9/1929 | SLBI |
| Rubus decussatus | GB, VC13 West Sussex, Blackdown | William Charles Richard Watson | William Charles Richard Watson | 4/8/1945 | SLBI |