| Rubus atrocaulis | GB, VC14 East Sussex, Newbridge | William Charles Richard Watson | William Charles Richard Watson | 17/7/1952 | SLBI |
| Rubus newbridgensis | GB, VC14 East Sussex, Newbridge | William Charles Richard Watson | William Charles Richard Watson | 17/7/1952 | SLBI |
| Viola riviniana | GB, VC14 East Sussex, Nobody's Wood | William Charles Richard Watson | William Charles Richard Watson | 12/4/1946 | SLBI |
| Rubus sectiramus | GB, VC14 East Sussex, Piltdown | William Charles Richard Watson | William Charles Richard Watson | 12/7/1936 | SLBI |
| Rubus subinermoides | GB, VC14 East Sussex, Saint Leonards | William Moyle Rogers | Charles Edward Britton William Charles Richard Watson | 19/8/1897 | SLBI |
| Rubus subinermoides | GB, VC14 East Sussex, Tunbridge Wells | William Charles Richard Watson | William Charles Richard Watson | 7/1940 | SLBI |
| Rubus subinermoides | GB, VC14 East Sussex, Tunbridge Wells | William Charles Richard Watson | | 14/8/1950 | SLBI |
| Rubus chloophyllus | GB, VC14 East Sussex, Uckfield,Budletts Common Cultivated | William Charles Richard Watson | | 1948 | SLBI |
| Rubus sciocharis | GB, VC15 East Kent, Bigbury Cultivated | William Charles Richard Watson | William Charles Richard Watson | 8/7/1937 | SLBI |
| Rubus canterburiensis | GB, VC15 East Kent, Canterbury | William Charles Richard Watson | | | SLBI |
| Rubus sciocharis | GB, VC15 East Kent, Canterbury Cultivated | William Charles Richard Watson | | 8/7/1927 | SLBI |
| Rubus sciocharis | GB, VC15 East Kent, Canterbury | William Charles Richard Watson | Botanical Exchange Club of The British Isles | 1934 | SLBI |
| Rubus conjungens | GB, VC15 East Kent, Covet Wood | F R John Ezra Woodhead William Charles Richard Watson | William Charles Richard Watson | 7/7/1950 | SLBI |
| Rubus acutifrons | GB, VC15 East Kent, Harbledown | | William Charles Richard Watson | | SLBI |
| Rubus acutifrons | GB, VC15 East Kent, Harbledown | | William Charles Richard Watson | 10/7/1934 | SLBI |
| Rubus glareosus | GB, VC15 East Kent, Pollhill | William Charles Richard Watson | | 9/1948 | SLBI |
| Rubus glareosus | GB, VC15 East Kent, Pollhill | William Charles Richard Watson | | 9/1948 | SLBI |
| Rubus cantianus | GB, VC15 East Kent, Sutton Valence | William Charles Richard Watson | | 30/7/1938 | SLBI |
| Rubus diversus | GB, VC16 West Kent, Abbey Wood | William Charles Richard Watson | | 5/9/1931 | 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 affinis | GB, VC16 West Kent, Bickley Cultivated | | William Charles Richard Watson | 3/8/1950 | SLBI |
| Rubus pallidus | GB, VC16 West Kent, Bostall Heath | William Charles Richard Watson | | 16/7/1931 | SLBI |
| Rubus euryanthemus | GB, VC16 West Kent, Bostall Heath | William Charles Richard Watson | | 16/7/1931 | SLBI |
| Rubus cantianus | GB, VC16 West Kent, Bostall Heath | William Charles Richard Watson | | 29/7/1934 | SLBI |
| Viola riviniana var. flavicornis | GB, VC16 West Kent, Bromley | | William Charles Richard Watson | 4/5/1946 | SLBI |
| Rubus scissus | GB, VC16 West Kent, Chislehurst Common | William Charles Richard Watson | William Charles Richard Watson | 1/7/1947 | SLBI |
| Rubus leucostachys | GB, VC16 West Kent, Crockham Hill | William Charles Richard Watson | William Charles Richard Watson | 25/7/1938 | SLBI |
| Rubus infestior | GB, VC16 West Kent, Dartford Heath | William Charles Richard Watson | Botanical Exchange Club of The British Isles Charles Edward Britton | 8/1933 | 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 diversus | GB, VC16 West Kent, Erith, Lesnes Wood | William Charles Richard Watson | William Charles Richard Watson | 16/7/1939 | SLBI |
| Viola riviniana | GB, VC16 West Kent, Farningham | William Charles Richard Watson | William Charles Richard Watson | 11/5/1946 | SLBI |
| Rubus nessensis | GB, VC16 West Kent, Hayes | William Charles Richard Watson | William Charles Richard Watson | 15/6/1923 | SLBI |
| Rubus hylophilus | GB, VC16 West Kent, Hayes Cultivated | William Charles Richard Watson | William Charles Richard Watson | 24/7/1928 | SLBI |
| Rubus hylophilus | GB, VC16 West Kent, Hayes Cultivated | | William Charles Richard Watson | 24/7/1928 | SLBI |
| Rubus halsteadensis | GB, VC16 West Kent, Hayes | William Charles Richard Watson | | 19/8/1950 | SLBI |
| Crataegus laevigata | GB, VC16 West Kent, Hayes Common | William Charles Richard Watson | Allan Octavian Hume | 1/7/1911 | SLBI |
| Frangula alnus | GB, VC16 West Kent, Hayes Common | William Charles Richard Watson | Allan Octavian Hume | 22/7/1911 | SLBI |
| Rubus infestisepalus | GB, VC16 West Kent, Hayes Common | William Charles Richard Watson | | 22/8/1927 | SLBI |
| Rubus nessensis | GB, VC16 West Kent, Hayes Common | William Charles Richard Watson | William Charles Richard Watson | 28/8/1927 | SLBI |