| Orchis mascula | GB, VC14 East Sussex, Ashurst Wood | Florence Potter | Botanical Society of The British Isles Christopher Robert Billups | 15/5/1907 | SLBI |
| Stachys | GB, VC14 East Sussex, Ashurst Wood | Christopher Robert Billups | Botanical Society of The British Isles Christopher Robert Billups | 20/7/1904 | K |
| Carex divulsa | GB, VC29 Cambridgeshire, Cott Farm | John Patrick Micklethwait Brenan | Botanical Society of The British Isles John Patrick Micklethwait Brenan Martin F Gardner & Sabina G Knees | 29/5/1948 | E |
| Scutellaria minor | GB, VC17 Surrey, Epsom Common | Charles Edward Britton | Botanical Society of The British Isles Edward Charles Wallace | 1/9/1928 | K |
| Euphorbia esula x waldsteinii = E. x pseudovirgata | GB, VC19 North Essex, Colchester | George Charles Brown | Botanical Society of The British Isles George Charles Brown Job Edward Lousley | 29/5/1927 | SLBI |
| Carex divulsa subsp. divulsa | GB, VC39 Staffordshire, Marchington | Eric Smoothy Edees | Botanical Society of The British Isles | 9/8/1948 | BM |
| Ceratophyllum demersum | GB, VC29,VC31, Bluntisham | Alfred Fryer | Botanical Society of The British Isles Alfred Fryer William Hadden Beeby | 24/8/1887 | SLBI |
| Mentha arvensis x spicata = M. x gracilis | GB, VC17 Surrey, Sanderstead | | Botanical Society of The British Isles Donald Peter Young | 14/8/1951 | OXF |
| Mentha spicata | GB, VC21 Middlesex, Northwood Cultivated GB, VC90 Angus, Glamis | Rex Alan Henry Graham | Botanical Society of The British Isles Rex Alan Henry Graham | 15/8/1952 | K |
| Mentha spicata x suaveolens = M. x villosa | GB, VC21 Middlesex, Northwood Cultivated GB, VC91 Kincardineshire, Garvock | Rex Alan Henry Graham | Botanical Society of The British Isles Rex Alan Henry Graham | 15/8/1952 | K |
| Mentha x piperita | GB, VC37 Worcestershire, Alfrick Cultivated | Rex Alan Henry Graham | Botanical Society of The British Isles Rex Alan Henry Graham | 16/8/1952 | K |
| Mentha x verticillata var. paludosa | GB, VC91 Kincardineshire, Banchory | | Botanical Society of The British Isles Rex Alan Henry Graham | 10/9/1952 | K |
| Amsinckia | GB, VC8 South Wiltshire, Little Cheverell | | Botanical Society of The British Isles Joseph Donald Grose | 6/10/1954 | SLBI |
| Mentha spicata | GB, VC91 Kincardineshire, St Cyrus Cultivated | | Botanical Society of The British Isles Rex Alan Henry Graham | 15/9/1952 | K |
| Mentha spicata | GB, VC77 Lanarkshire, Liberton | Clara Winsome Muirhead | Botanical Society of The British Isles | 3/10/1953 | K |
| Sisymbrium orientale | GB, VC55 Leicestershire, Aylestone | Edward Kidston Horwood | Botanical Society of The British Isles | 12/8/1954 | SLBI |
| Sisymbrium pannonicum | GB, VC55 Leicestershire, Aylestone | Edward Kidston Horwood | Botanical Society of The British Isles | 4/8/1954 | SLBI |
| Carex canescens | GB, VC62 North-east Yorkshire, Gormire Lake | Robert Lewis | Botanical Society of The British Isles | 17/5/1948 | BM |
| Carex canescens | GB, VC62 North-east Yorkshire, Gormire Lake | Robert Lewis | Botanical Society of The British Isles Donald Peter Young | 17/5/1948 | BM |
| Sium latifolium | GB, VC61 South-east Yorkshire, Withernsea | Robert Lewis | Botanical Society of The British Isles Robert Lewis | 4/9/1948 | K |
| Caltha palustris var. radicans | GB, VC89 East Perthshire, Glas Maol | Edward Francis Linton | Botanical Society of The British Isles Allan Octavian Hume Edward Francis Linton Frederick Townsend | 3/8/1883 | SLBI |
| Epilobium hirsutum x montanum = E. x erroneum | GB, VC57 Derbyshire, Mytham Bridge | William Richardson Linton | Botanical Society of The British Isles William Hunt Painter | 25/8/1896 | ABS |
+ | Otanthus maritimus | IE, VCH12 Co. Wexford, Rosslare | John Norton Mills | Botanical Society of The British Isles John Norton Mills | 31/8/1953 | MANCH |
+ | Otanthus maritimus | IE, VCH12 Co. Wexford, Rosslare | John Norton Mills | Botanical Society of The British Isles | 31/8/1953 | MANCH |
+ | Otanthus maritimus | IE, VCH12 Co. Wexford, Rosslare | John Norton Mills | Botanical Society of The British Isles John Norton Mills | 31/8/1953 | MANCH |
+ | Tordylium maximum | GB, VC18 South Essex, Tilbury | John Norton Mills | Botanical Society of The British Isles John Norton Mills | 1950 | MANCH |
+ | Tordylium maximum | GB, VC18 South Essex, Tilbury | John Norton Mills | Botanical Society of The British Isles John Norton Mills | 1950 | MANCH |
+ | Tordylium maximum | GB, VC18 South Essex, Tilbury | John Norton Mills | Botanical Society of The British Isles John Norton Mills | 1950 | MANCH |
| Mentha aquatica x spicata = M. x piperita | GB, VC70 Cumberland, Skirwith | Clara Winsome Muirhead | Botanical Society of The British Isles Carlisle Museum Herbarium | 27/8/1949 | K |
| Bupleurum tenuissimum | GB, VC15 East Kent, Faversham | Reginald Ernest Parker | Botanical Society of The British Isles | 9/1953 | K |
| Mentha spicata | GB, VC1 West Cornwall, Perranzabuloe,Lambourne Hill | Francis Rilstone | Botanical Society of The British Isles | 23/8/1948 | K |
| Stachys | GB, VC1 West Cornwall, Lambourne | Francis Rilstone | Botanical Society of The British Isles | 23/8/1948 | K |
| Stachys sylvatica x palustris = S. x ambigua | GB, VC1 West Cornwall, Perranzabuloe,Lambourne Hill | Francis Rilstone | Botanical Society of The British Isles Francis Rilstone | 23/8/1948 | K |
| Atriplex prostrata x longipes = A. x gustafssoniana | GB, VC34 West Gloucestershire, Bristol | Angela Roberts | Botanical Society of The British Isles | 28/5/1979 | MANCH |
| Carex elongata | GB, VC86 Stirlingshire, Gartfairn | Alan McGregor Stirling J Mitchell | Botanical Society of The British Isles | 4/6/1977 | E |
| Mentha aquatica x spicata = M. x piperita | GB, VC28 West Norfolk, Roydon Common | Eric Lister Swann | Botanical Society of The British Isles Eric Lister Swann | 29/8/1950 | OXF |
| Mentha spicata x longifolia = M. x villosonervata | GB, VC28 West Norfolk, Leziate Heath | | Botanical Society of The British Isles Eric Lister Swann | 1/8/1950 | K |
| Mentha x piperita var. vulgaris | GB, VC28 West Norfolk, Roydon Common | | Botanical Society of The British Isles Eric Lister Swann | 29/8/1950 | K |
| Mentha x piperita | GB, VC28 West Norfolk, Dersingham | Eric Lister Swann | Botanical Society of The British Isles | 31/8/1950 | K |
| Carex divulsa | GB, VC13 West Sussex, Horsham | Edward Charles Wallace | Botanical Society of The British Isles Edward Charles Wallace Harold Stuart Thompson | 29/7/1934 | BIRM |
+ | Cuscuta epithymum | GB, VC13 West Sussex, Midhurst,Woolbeding | David Paul Earl Heinrick E Weber | Botanical Society of The British Isles David Paul Earl | 7/2001 | MANCH |
| Mentha arvensis x aquatica x spicata = M. x smithiana | GB, VC17 Surrey, Sanderstead | | Botanical Society of The British Isles Donald Peter Young | 14/8/1951 | CGE |