| 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 melanocladus | GB, VC8 South Wiltshire, Longleat | William Charles Richard Watson | William Charles Richard Watson | 19/7/1948 | SLBI |
| Rubus arrhenii | GB, VC8 South Wiltshire, Longleat Cultivated | William Charles Richard Watson | | 21/7/1954 | 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 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 |
| Rubus decussatus | GB, VC13 West Sussex, Blackdown | William Charles Richard Watson | William Charles Richard Watson | 4/8/1945 | SLBI |
| Rubus cissburiensis | GB, VC13 West Sussex, Devil's Dyke | William Charles Richard Watson | Job Edward Lousley William Charles Richard Watson | 7/1926 | SLBI |
| Rubus hastiformis | GB, VC13 West Sussex, Devil's Dyke | William Charles Richard Watson | William Charles Richard Watson | 14/7/1930 | SLBI |
| Rubus naldrettii | GB, VC13 West Sussex, Fittleworth | William Charles Richard Watson | William Charles Richard Watson | 20/7/1936 | SLBI |
| Rubus naldrettii | GB, VC13 West Sussex, Fittleworth | William Charles Richard Watson | William Charles Richard Watson | 20/7/1936 | SLBI |
| Rubus leucandriformis | GB, VC13 West Sussex, Iping Common | William Charles Richard Watson | William Charles Richard Watson | 24/7/1936 | SLBI |
| Rubus glanduliger | GB, VC13 West Sussex, Lavington | William Charles Richard Watson | William Charles Richard Watson | 25/7/1936 | SLBI |
| Rubus crudelis | GB, VC13 West Sussex, Midhurst | William Charles Richard Watson | William Charles Richard Watson | 3/8/1932 | SLBI |
| Rubus winteri | GB, VC13 West Sussex, Midhurst | William Charles Richard Watson | William Charles Richard Watson | 22/7/1936 | SLBI |
| Rubus wedgwoodiae | GB, VC13 West Sussex, Midhurst | William Charles Richard Watson | | 24/7/1936 | SLBI |
| Rubus wedgwoodiae | GB, VC13 West Sussex, Midhurst | William Charles Richard Watson | William Charles Richard Watson | 24/7/1936 | SLBI |
| Rubus rufescens | GB, VC13 West Sussex, Petworth | William Charles Richard Watson | William Charles Richard Watson | 19/7/1936 | SLBI |
| Rubus albionis | GB, VC13 West Sussex, Petworth, Bognor Common | William Charles Richard Watson | William Charles Richard Watson | 19/7/1936 | SLBI |
| Rubus chloophyllus | GB, VC14 East Sussex, Benhall Mill Lane | William Charles Richard Watson | William Charles Richard Watson | 24/7/1947 | SLBI |
| Rubus chloophyllus | GB, VC14 East Sussex, Benhall Mill Lane | William Charles Richard Watson | William Charles Richard Watson | 24/7/1947 | SLBI |