| Stachys | GB, VC1 West Cornwall, Lambourne | Francis Rilstone | Botanical Society of The British Isles | 23/8/1948 | K |
| Mentha spicata | GB, VC1 West Cornwall, Perranzabuloe,Lambourne Hill | 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 |
| Aphanes arvensis | GB, VC3 South Devon, East Allington | Stuart Max Walters | Botanical Society of The British Isles Cambridge University | 25/6/1951 | SLBI |
| Amsinckia | GB, VC8 South Wiltshire, Little Cheverell | | Botanical Society of The British Isles Joseph Donald Grose | 6/10/1954 | SLBI |
| Mentha longifolia | GB, VC13 West Sussex, Amberley | Edward Charles Wallace | Botanical Society of The British Isles | 8/8/1953 | SLBI |
| Mentha arvensis x spicata = M. x gracilis | GB, VC13 West Sussex, Bexley Hill | Edward Charles Wallace | Botanical Society of The British Isles | 22/8/1948 | SLBI |
| Mentha gentilis var. varigata | GB, VC13 West Sussex, Bexley Hill | Edward Charles Wallace | Botanical Society of The British Isles | 22/8/1948 | 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 |
| Ajuga reptans | GB, VC14 East Sussex, Ashurst Wood | Christopher Robert Billups | Botanical Society of The British Isles Christopher Robert Billups | 14/5/1906 | K |
| Glebionis segetum | GB, VC14 East Sussex, Ashurst Wood | Christopher Robert Billups | Botanical Society of The British Isles Christopher Robert Billups | 26/7/1905 | K |
| Luzula forsteri | GB, VC14 East Sussex, Ashurst Wood | Christopher Robert Billups | Botanical Society of The British Isles Christopher Robert Billups | 26/4/1906 | SLBI |
| 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 |
| Bupleurum tenuissimum | GB, VC15 East Kent, Faversham | Reginald Ernest Parker | Botanical Society of The British Isles | 9/1953 | K |
| Lepidium | GB, VC15 East Kent, Hothfield | Job Edward Lousley | Botanical Society of The British Isles | 4/5/1952 | SLBI |
| Scutellaria minor | GB, VC17 Surrey, Epsom Common | Charles Edward Britton | Botanical Society of The British Isles Edward Charles Wallace | 1/9/1928 | K |
| 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 |
| Mentha arvensis x spicata = M. x gracilis | GB, VC17 Surrey, Sanderstead | | Botanical Society of The British Isles Donald Peter Young | 14/8/1951 | OXF |
| Hirschfeldia incana | GB, VC18 South Essex, Barking | Job Edward Lousley | Botanical Society of The British Isles Job Edward Lousley | 17/10/1953 | SLBI |
+ | 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 |
| 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 |
| Rosa stylosa x canina = R. x andegavensis | GB, VC23 Oxfordshire, Bampton | Percival George Beak | Botanical Society of The British Isles | 8/1934 | SLBI |
| Thymus praecox subsp. arcticus | GB, Suffolk, Eriswell | Christopher Donald Pigott | Botanical Society of The British Isles Cambridge University | 7/1951 | K |
| Mentha x piperita | GB, VC28 West Norfolk, Dersingham | Eric Lister Swann | Botanical Society of The British Isles | 31/8/1950 | K |
| 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 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 x piperita var. vulgaris | GB, VC28 West Norfolk, Roydon Common | | Botanical Society of The British Isles Eric Lister Swann | 29/8/1950 | K |
| Galinsoga quadriradiata | GB, VC29 Cambridgeshire, Cambridge Botanic Gardens | Stuart Max Walters | Botanical Society of The British Isles Cambridge University | 30/10/1953 | SLBI |
| 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 |
| Senecio inaequidens | GB, VC30 Bedfordshire, Biggleswade Cultivated | Job Edward Lousley | Botanical Society of The British Isles | 13/7/1952 | SLBI |
| Ceratophyllum demersum | GB, VC29,VC31, Bluntisham | Alfred Fryer | Botanical Society of The British Isles Alfred Fryer William Hadden Beeby | 24/8/1887 | SLBI |
| Atriplex prostrata x longipes = A. x gustafssoniana | GB, VC34 West Gloucestershire, Bristol | Angela Roberts | Botanical Society of The British Isles | 28/5/1979 | MANCH |
| Ceterach officinarum | GB, VC34 West Gloucestershire, Staunton | Botanical Society of The British Isles | Douglas Montague Heath | 16/6/1951 | BIRM |
| Callitriche obtusangula | GB, VC35 Monmouthshire, Rumney | Arthur Edward Wade | Botanical Society of The British Isles National Museum of Wales | 20/6/1949 | 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 |
| Carex divulsa subsp. divulsa | GB, VC39 Staffordshire, Marchington | Eric Smoothy Edees | Botanical Society of The British Isles | 9/8/1948 | BM |