| Baldellia ranunculoides | GB, VC1 West Cornwall, Kynance | Ronald Melville | | 21/5/1937 | K |
| Linaria repens | GB, VC1 West Cornwall, Penryn | Ronald Melville | | 17/6/1936 | K |
| Sibthorpia europaea | GB, VC3 South Devon, Meavy | Ronald Melville | | 17/6/1926 | K |
| Scrophularia scorodonia | GB, VC3 South Devon, West Alvington | Ronald Melville | | 14/8/1936 | K |
| Scrophularia scorodonia | GB, VC3 South Devon, West Alvington | Ronald Melville | | 14/6/1936 | K |
| Bupleurum tenuissimum | GB, VC5 South Somerset, Steart Point | Ronald Melville | | 17/8/1954 | K |
| Festuca arundinacea | GB, VC6 North Somerset, Berrow | Ronald Melville | | 15/6/1938 | K |
| Dactylis glomerata | GB, VC6 North Somerset, Brean Down | Ronald Melville | | 11/6/1938 | K |
| Veronica anagallis-aquatica | GB, VC6 North Somerset, Shapwick | Ronald Melville | | 13/7/1934 | K |
| Misopates orontium | GB, VC9 Dorset, Wool | Ronald Melville | | 19/6/1955 | K |
| Phalaris arundinacea | GB, VC10 Isle of Wight, Binstead | Ronald Melville | | 30/8/1925 | K |
| Linaria minor | GB, VC10 Isle of Wight, Newport | Ronald Melville | | 6/9/1929 | K |
| Ranunculus sardous | GB, VC15 East Kent, Dungeness | Ronald Melville | Isaac A Helsby | 14/7/1929 | SLBI |
| Aceras anthropophorum | GB, VC16 West Kent, Chevening | Ronald Melville | | 2/6/1929 | K |
| Origanum vulgare subsp. vulgare | GB, VC17 Surrey Cultivated | Ronald Melville | | 12/8/1945 | K |
| Ophrys insectifera | GB, VC17 Surrey, Coulsdon Bottom | Ronald Melville | | 13/6/1926 | K |
| Lavandula angustifolia x latifolia = L. x intermedia | GB, VC17 Surrey, Kew Cultivated | Ronald Melville | | 9/8/1937 | K |
| Lavandula angustifolia x latifolia = L. x intermedia | GB, VC17 Surrey, Kew Cultivated | Ronald Melville | | 9/8/1937 | K |
| Lavandula angustifolia | GB, VC17 Surrey, Kew Gardens Cultivated | Ronald Melville | | 9/8/1937 | K |
| Lavandula angustifolia | GB, VC17 Surrey, Kew Gardens Cultivated | Ronald Melville | | 9/8/1937 | K |
| Lavandula angustifolia | GB, VC17 Surrey, Kew Gardens Cultivated | Ronald Melville | | 7/8/1937 | K |
| Lavandula angustifolia | GB, VC17 Surrey, Kew Gardens Cultivated | Ronald Melville | | 9/8/1937 | K |
| Lavandula angustifolia | GB, VC17 Surrey, Kew Gardens Cultivated | Ronald Melville | | 9/8/1937 | K |
| Lavandula angustifolia | GB, VC17 Surrey, Kew Gardens Cultivated | Ronald Melville | | 9/8/1937 | K |
| Origanum vulgare | GB, VC17 Surrey, Kew Gardens | Ronald Melville | | 12/8/1945 | K |
| Origanum vulgare | GB, VC17 Surrey, Kew Gardens | Ronald Melville | | 12/8/1945 | K |
| Origanum vulgare | GB, VC17 Surrey, Kew Gardens | Ronald Melville | | 12/8/1940 | K |
| Origanum vulgare | GB, VC17 Surrey, Kew Gardens | Ronald Melville | | 12/8/1945 | K |
| Origanum vulgare subsp. viride | GB, VC17 Surrey, Kew Gardens | Ronald Melville | | 12/8/1945 | K |
| Ligustrum vulgare | GB, VC17 Surrey, Ranmore Common | J Hutchinson Ronald Melville | | 15/6/1945 | K |
| Centaurea solstitialis | GB, VC18 South Essex, Dagenham | Ronald Melville | Isaac A Helsby | 2/9/1927 | SLBI |
| Citrullus | GB, VC18 South Essex, Dagenham | Ronald Melville | Botanical Exchange Club of The British Isles Charles Edward Britton | 23/9/1933 | SLBI |
| Hordeum marinum | GB, VC18 South Essex, Dagenham | Ronald Melville | | 17/6/1928 | K |
| Centaurea solstitialis | GB, VC18 South Essex, Rainham | Ronald Melville | Botanical Exchange Club of The British Isles Job Edward Lousley | 2/9/1927 | SLBI |
| Carex pseudocyperus | GB, VC19 North Essex, Braintree | Ronald Melville | | 18/6/1954 | E |
| Linum perenne subsp. anglicum | GB, VC19 North Essex, Hadstock | Ronald Melville | Isaac A Helsby | 20/6/1931 | SLBI |
| Scrophularia vernalis | GB, VC19 North Essex, Newport | Job Edward Lousley Ronald Melville | | 26/4/1936 | K |
| Pteridium aquilinum | GB, VC21 Middlesex, West Drayton | Ronald Melville | Botanical Exchange Club of The British Isles Harold Stuart Thompson | 14/10/1934 | BIRM |
| Plantago lagopus | GB, VC17,VC21, Twickenham Cultivated | Ronald Melville | | 9/7/1936 | K |
| Hypochaeris glabra | GB, VC26 West Suffolk, Barton Mills | Ronald Melville | | 9/6/1934 | K |