| Euphorbia paralias | GB, VC44 Carmarthenshire, Burry Port | Barbara A G Williams | | 5/9/1959 | ABS |
| Euphorbia peplus | GB, VC41 Glamorganshire, Rhymney Valley | Marjorie Janet Brown | | 12/8/1959 | ABS |
| Euphorbia helioscopia | GB, VC45 Pembrokeshire, Solva | A P Roach | | 29/7/1959 | ABS |
| Euphorbia paralias | GB, VC41 Glamorganshire, Jersey Marine Sand Dunes | T R Lovering | | 20/7/1959 | ABS |
| Euphorbia paralias | GB, VC45 Pembrokeshire, Freshwater East | J H Croft | | 24/6/1959 | ABS |
| Euphorbia paralias | GB, VC46 Cardiganshire, Ynyslas Dunes | Janet Hunt | | 5/6/1959 | ABS |
| Euphorbia paralias | GB, VC41 Glamorganshire, Oxwich | A P Roach | | 1959 | ABS |
| Euphorbia esula x waldsteinii = E. x pseudovirgata | GB, VC17 Surrey, Merton | | | 14/7/1957 | SLBI |
| Euphorbia esula x waldsteinii = E. x pseudovirgata | GB, VC17 Surrey, Merton | Charles Avery | Charles Avery | 14/7/1957 | SLBI |
| Euphorbia platyphyllos | GB, VC17 Surrey, Outwood | B A Kneller | Donald Peter Young | 20/9/1955 | SLBI |
+ | Euphorbia dulcis | GB, VC89 East Perthshire, Blairgowrie | Allan Watt Robson | Allan Robson | 20/7/1954 | PTH |
| Euphorbia amygdaloides | GB, VC37 Worcestershire, Wyre Forest | B Simpson P Goode | | 18/6/1953 | BIRM |
| Euphorbia exserta | IE, VCH38 Co. Down, Conlig | Philip Frank Wareing | | 1952 | ABS |
+ | Euphorbia exserta | GB, VC41 Glamorganshire, Cardiff,Llandoch | T Willan | | 28/9/1950 | MANCH |
| Euphorbia lathyris | GB, VC56 Nottinghamshire, Sutton Bonington | D A J Little | | 20/6/1948 | ABS |
| Euphorbia amygdaloides | GB, VC17 Surrey, Leigh | D A J Little | | 14/4/1948 | ABS |
| Euphorbia exserta | GB, VC17 Surrey, Betchworth | D A J Little | | 4/8/1947 | ABS |
| Euphorbia esula x waldsteinii = E. x pseudovirgata | GB, VC59 South Lancashire, Hightown | Arthur John Farmer | | 14/9/1946 | MANCH |
+ | Euphorbia esula x waldsteinii = E. x pseudovirgata | GB, VC59 South Lancashire, Liverpool,Hightown | Arthur John Farmer | Arthur John Farmer | 14/9/1946 | MANCH |
| Euphorbia cyparissias | GB, VC17 Surrey, Walton [ambiguous] | Stafford Edwin Chandler | Croydon Natural History and Scientific Society Stafford Edwin Chandler | 28/8/1946 | SLBI |
| Euphorbia serrulata | GB, VC34 West Gloucestershire, Lydney | R Lewis | Botanical Society & Exchange Club of The British Isles R Lewis | 5/7/1946 | SLBI |
| Euphorbia platyphyllos | GB, VC17 Surrey, Holmwood | Job Edward Lousley | Job Edward Lousley | 28/7/1945 | SLBI |
| Euphorbia lathyris | GB, VC23 Oxfordshire, Godstow | Charles Edward Hubbard | Job Edward Lousley | 19/8/1944 | SLBI |
+ | Euphorbia exserta | GB, VC29 Cambridgeshire, Gog Magog Hills | D R Jones | Repton School Herbarium | 9/7/1943 | MANCH |
| Euphorbia corallioides | GB, VC23 Oxfordshire, Oxford, Yardley Lodge | Charles Edward Hubbard | John Richard Wallis | 11/5/1943 | SLBI |
| Euphorbia peplus | GB, VC1 West Cornwall, Marazion | D A J Little | | 24/2/1943 | ABS |
| Euphorbia paralias | GB, VC1 West Cornwall, Scilly | D A J Little | | 20/2/1943 | ABS |
| Euphorbia helioscopia | GB, VC1 West Cornwall, Tregonning Hill | D A J Little | | 30/11/1942 | ABS |
| Euphorbia cyparissias | GB, VC24 Buckinghamshire, Tylers Green | Charles Edward Britton | Charles Edward Britton | 17/5/1942 | SLBI |
| Euphorbia esula | GB, VC17 Surrey, Epsom Downs | Edward Charles Wallace | Edward Charles Wallace John Richard Wallis | 13/9/1941 | SLBI |
| Euphorbia peplus | GB, VC1 West Cornwall, Marazion | D A J Little | | 26/6/1941 | ABS |
| Euphorbia esula x waldsteinii = E. x pseudovirgata | GB, VC17 Surrey, Putney | Charles Avery | | 15/7/1940 | SLBI |
| Euphorbia esula x waldsteinii = E. x pseudovirgata | GB, VC17 Surrey, Banstead | Philip Henry Cooke | | 16/5/1940 | SLBI |
| Euphorbia esula x waldsteinii = E. x pseudovirgata | GB, VC17 Surrey, Epsom Downs | Philip Henry Cooke | North London Natural History Society Local Herbarium | 30/4/1940 | SLBI |
| Euphorbia esula x waldsteinii = E. x pseudovirgata | GB, VC16 West Kent, Dartford | Philip Henry Cooke | | 26/4/1940 | SLBI |
| Euphorbia peplus | GB, VC17 Surrey, West Norwood | Philip Henry Cooke | London Natural History Society | 28/7/1939 | SLBI |
| Euphorbia esula | GB, VC17 Surrey, Epsom Downs | Stafford Edwin Chandler | Croydon Natural History and Scientific Society Stafford Edwin Chandler | 8/7/1939 | SLBI |
| Euphorbia esula | GB, VC17 Surrey, Epsom Downs | Stafford Edwin Chandler | Croydon Natural History and Scientific Society Stafford Edwin Chandler | 8/7/1939 | SLBI |
| Euphorbia helioscopia | GB, VC21 Middlesex, Chiswick, Duke's Meadows | Edward Benedict Bangerter | Edward Benedict Bangerter | 28/6/1939 | SLBI |
| Euphorbia helioscopia | GB, VC21 Middlesex, Chiswick, Duke's Meadows | Edward Benedict Bangerter | | 28/6/1939 | SLBI |