| Amaranthus retroflexus | GB, VC16 West Kent, Barming | Cyril West | Job Edward Lousley | 9/1944 | SLBI |
| Erigeron acris | GB, VC15 East Kent, Burham | Cyril West | Job Edward Lousley | 9/1945 | SLBI |
+ | Hieracium diaphanoides | GB, VC57 Derbyshire, Litton Dale | Claude Evrard Aldington Andrews Cyril West Peter Derek Sell | | 20/6/1954 | BIRM |
+ | Hieracium exotericum | GB, VC39 Staffordshire, Hamps & Manifold Valleys | Claude Evrard Aldington Andrews Cyril West Peter Derek Sell | | 18/6/1954 | BIRM |
+ | Hieracium exotericum | GB, VC57 Derbyshire, Chee Dale | Claude Evrard Aldington Andrews Cyril West Peter Derek Sell | | 19/6/1954 | BIRM |
+ | Hieracium exotericum | GB, VC57 Derbyshire, Cressbrook Dale | Claude Evrard Aldington Andrews Cyril West Peter Derek Sell | | 21/6/1954 | BIRM |
+ | Hieracium lepidulum | GB, VC18 South Essex, Walthamstow | Cyril West | | 6/1953 | BIRM |
+ | Hieracium lepidulum | GB, VC27 East Norfolk, Yelverton | Cyril West | | 6/1952 | BIRM |
+ | Hieracium repandulare | GB, VC42 Breconshire, Craig Cerrig-gleisiad | Claude Evrard Aldington Andrews Cyril West | | 5/7/1955 | BIRM |
| Hieracium salticola | | Cyril West Peter Derek Sell | | 1955 | BIRM |
+ | Hieracium subbritannicum | GB, VC42 Breconshire, Craig y Cilau | Claude Evrard Aldington Andrews Cyril West | | 6/7/1955 | BIRM |
+ | Hieracium subplanifolium | GB, Tideswell | Claude Evrard Aldington Andrews Cyril West Peter Derek Sell | | 20/6/1954 | BIRM |
+ | Hieracium subprasinifolium | GB, VC57 Derbyshire, Chee Dale | Claude Evrard Aldington Andrews Cyril West Peter Derek Sell | | 19/6/1954 | BIRM |
+ | Hieracium uiginskyense | GB, VC42 Breconshire, Cwm Haffes | Claude Evrard Aldington Andrews Cyril West | | 7/1956 | BIRM |
| Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Gwennap | Cyril West | | 9/1948 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Hick's Mill, Gwennap | Cyril West | | 9/1946 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC1 West Cornwall, Hick's Mill, Gwennap | Cyril West | | 9/1948 | CGE |
| Mentha aquatica x spicata = M. x piperita var. citrata | GB, VC1 West Cornwall, Paul | Cyril West | | 9/1948 | CGE |
| Mentha aquatica x spicata = M. x piperita var. citrata | GB, VC1 West Cornwall, Paul | Cyril West | | 9/1948 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC3 South Devon, Yelverton | Cyril West | | 8/1948 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC3 South Devon, Yelverton | Cyril West | | 8/1947 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC3 South Devon, Yelverton | Cyril West | | 8/1948 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC3 South Devon, Yelverton | Cyril West | | 8/1947 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC3 South Devon, Yelverton | Cyril West | | 8/1948 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC3 South Devon, Yelverton | Cyril West | | 8/1948 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC3 South Devon, Yelverton | Cyril West | | 8/1947 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC3 South Devon, Yelverton | Cyril West | | 8/1948 | CGE |
| Mentha aquatica x spicata = M. x piperita | GB, VC17 Surrey, Friday Street | Cyril West | | 1950 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC3 South Devon, Bere Ferrers | Cyril West | | 8/1957 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC3 South Devon, Yelverton | Cyril West | | 8/1947 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC3 South Devon, Yelverton | Cyril West | | 8/1947 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC3 South Devon, Yelverton | Cyril West | | 8/1948 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC3 South Devon, Yelverton | Cyril West | | 8/1948 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC3 South Devon, Yelverton | Cyril West | | 8/1947 | CGE |
| Mentha arvensis x aquatica = M. x verticillata | GB, VC3 South Devon, Yelverton | Cyril West | | 8/1947 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Friday Street | Cyril West | | 9/1950 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC29 Cambridgeshire, Bourn | Cyril West | | 9/1948 | CGE |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC29 Cambridgeshire, Bourn | Cyril West | | 9/1948 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC3 South Devon, Walkhampton | Cyril West | | 8/1947 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC3 South Devon, Walkhampton | Cyril West | | 8/1947 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC3 South Devon, Walkhampton | Cyril West | | 8/1947 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC17 Surrey, Shalford | Cyril West | | 8/1948 | CGE |
| Mentha arvensis x spicata = M. x gracilis | GB, VC17 Surrey, Shalford | Cyril West | | 1948 | CGE |
| Mentha spicata x longifolia = M. x villosonervata | GB, VC16 West Kent, East Malling | Cyril West | | 8/1948 | CGE |
| Mentha spicata x longifolia = M. x villosonervata | GB, VC16 West Kent, East Malling | Cyril West | | 9/1947 | CGE |
| Mentha spicata x suaveolens = M. x villosa | GB, VC1 West Cornwall, Paul | Cyril West | | 9/1948 | CGE |
| Papaver hybridum | GB, VC29 Cambridgeshire, Hildersham | Cyril West | Job Edward Lousley | 7/1943 | SLBI |
| Pilosella officinarum x aurantiaca = P. x stoloniflora | GB, VC95 Moray, Cromdale | Cyril West John Norton Mills June R J Mills | John Norton Mills | 26/7/1967 | MANCH |
+ | Pilosella officinarum x aurantiaca = P. x stoloniflora | GB, VC95 Moray, Elgin (Sw of),Cromdale | Cyril West John Norton Mills June R J Mills | John Norton Mills | 26/7/1967 | MANCH |