| Carex hirta | GB, VC34 West Gloucestershire, Tytherington | Ida Mary Roper | Royal Botanic Gardens, Kew Watson Botanical Exchange Club Ida Mary Roper | 12/7/1910 | E |
| Carex diandra | GB, VC58 Cheshire, Seaman's moss pits | John Hardy | Botanical Exchange Club of The British Isles Royal Botanic Gardens, Kew Albert Bruce Jackson Charles Bailey | 6/1853 | E |
| Arbutus unedo | GB, VC17 Surrey, Kew Cultivated | John Gilbert Baker | Royal Botanic Gardens, Kew George Stephen West | 6/1866 | BIRM |
| Carex acutiformis | GB, VC55 Leicestershire, Aylestone Meadows, Leicester | William Bell | Royal Botanic Gardens, Kew Watson Botanical Exchange Club | 17/8/1904 | E |
| Carex divulsa | GB, VC37 Worcestershire, Bransford | Richard Francis Towndrow | Botanical Exchange Club of The British Isles Royal Botanic Gardens, Kew Spencer Henry Bickham | 24/6/1913 | E |
| Carex laevigata | GB, Sussex | Edward Forster | Royal Botanic Gardens, Kew Francis Boott | 1836 | E |
| Carex otrubae | GB, VC17 Surrey, Battersea | Francis Boott | Royal Botanic Gardens, Kew | 4/9/1835 | E |
| Carex flacca | GB, VC57 Derbyshire, Derby | Francis Boott | Royal Botanic Gardens, Kew Charles Baron Clarke | 1818 | E |
| Carex flacca | GB, VC57 Derbyshire, Matlock | Francis Boott | Royal Botanic Gardens, Kew Charles Baron Clarke Francis Boott | 1818 | E |
| Carex sylvatica | GB, England | | Royal Botanic Gardens, Kew Francis Boott William Jackson Hooker | 1825 | E |
| Carex depauperata | GB, VC17 Surrey, Godalming | William Borrer | Royal Botanic Gardens, Kew Dawson Turner William Jackson Hooker | 1807 | E |
| Anacamptis pyramidalis | GB, VC14 East Sussex, Seaford | Arthur Allman Bullock | Royal Botanic Gardens, Kew | 10/7/1960 | BR |
| Carex acutiformis | GB, VC17 Surrey, Leatherhead | H M Burkill | Royal Botanic Gardens, Kew H M Burkill | | E |
| Carex muricata | GB, VC17 Surrey, Leatherhead | H M Burkill | Royal Botanic Gardens, Kew | 5/6/1958 | E |
| Carex vesicaria | GB, VC13 West Sussex, Amberley Wild Brooks | Brian Lawrence Burtt Joseph Robert Sealy Stella Ross-Craig | Royal Botanic Gardens, Kew | 22/5/1950 | E |
| Carex remota | GB, VC70 Cumberland, Rosthwaite | Brian Lawrence Burtt Joseph Robert Sealy Stella Ross-Craig | Royal Botanic Gardens, Kew | 10/7/1947 | E |
| Carex flacca | GB, VC17 Surrey, Walworth | Charles Baron Clarke | Royal Botanic Gardens, Kew Lambert | 29/5/1902 | E |
| Carex hirta | GB, VC11 South Hampshire, Barton Common | J Comber | Botanical Exchange Club of The British Isles Royal Botanic Gardens, Kew | 6/1913 | E |
| Carex acutiformis | GB, VC90 Angus, Auldbar Castle | Margaret Corstorphine Robert Henry Corstorphine | Royal Botanic Gardens, Kew R & M Corstorphine | 14/7/1913 | E |
| Carex hirta | GB, VC32 Northamptonshire, Naseby | George Claridge Druce | Botanical Exchange Club of The British Isles Royal Botanic Gardens, Kew George Claridge Druce | 8/1913 | E |
| Carex capillaris | GB, VC90 Angus, Caenlochan | Peter Ewing | Royal Botanic Gardens, Kew Watson Botanical Exchange Club Peter Ewing | 7/1897 | E |
| Carex elongata | GB, VC19 North Essex, Halstead | Edward Forster | Royal Botanic Gardens, Kew | 6/1847 | E |
| Potamogeton natans x lucens = P. x fluitans | GB, VC29 Cambridgeshire, Mepal | Alfred Fryer | Royal Botanic Gardens, Kew | 13/7/1890 | E |
| Potamogeton natans x lucens = P. x fluitans | GB, VC31 Huntingdonshire, Ramsey Cultivated | Alfred Fryer | Royal Botanic Gardens, Kew | 7/7/1888 | E |
| Potamogeton natans x lucens = P. x fluitans | GB, VC31 Huntingdonshire, Ramsey Cultivated | Alfred Fryer | Royal Botanic Gardens, Kew | 29/7/1888 | E |
| Carex binervis | GB, VC90 Angus, Clova Mountains | | Royal Botanic Gardens, Kew William Gardiner | 8/1839 | E |
| Carex maritima | GB, VC95 Moray, Burghead | George Gordon | Royal Botanic Gardens, Kew | | E |
| Carex flacca | GB, VC6 North Somerset, Cheddar | Sheila Spenser Hooper | Royal Botanic Gardens, Kew | 31/5/1958 | E |
| Carex depauperata | GB, VC17 Surrey, Frith Hill, Godalming | Arthur Bennett | John Ewbank Leefe Royal Botanic Gardens, Kew | 6/1874 | E |
| Carex hirta | GB, VC65 North-west Yorkshire, Kirkby Fleetham | John Ewbank Leefe | Royal Botanic Gardens, Kew | | E |
| Carex rostrata | GB, VC65 North-west Yorkshire, Kirkby Fleetham | | John Ewbank Leefe Royal Botanic Gardens, Kew | | E |
| Carex divulsa | GB, VC35 Monmouthshire, Portskewet | Edward Shearburn Marshall | Royal Botanic Gardens, Kew | 3/7/1902 | E |
| Carex lachenalii | GB, VC92 South Aberdeenshire, Lochnagar | Edward Shearburn Marshall | Botanical Exchange Club of The British Isles Royal Botanic Gardens, Kew | 21/7/1906 | E |
| Carex remota | GB, VC49 Caernarvonshire, Y Gledrydd | Ronald Melville | Royal Botanic Gardens, Kew | 7/8/1955 | E |
| Carex acutiformis | GB, VC109 Caithness, Reay | William Frederick Miller | Royal Botanic Gardens, Kew | 23/7/1899 | E |
| Carex lasiocarpa | GB, VC62 North-east Yorkshire, Stockton Common | | Royal Botanic Gardens, Kew Francis Boott Oswald Allen Moore | 6/1842 | E |
| Carex vulpina | GB, VC33 East Gloucestershire, Deerhurst | Ernest Nelmes | Royal Botanic Gardens, Kew | 28/6/1941 | BM |
| Carex lasiocarpa | IE, VCH16 West Galway, Lough Craigduff | David Thomson Playfair | Royal Botanic Gardens, Kew David Thomson Playfair | 13/5/1899 | E |
| Carex leporina | IE, VCH27 West Mayo, Mulrany | Joseph Robert Sealy Stella Ross-Craig | Royal Botanic Gardens, Kew | 20/8/1947 | E |
| Carex otrubae | GB, VC42 Breconshire, Penderyn | Edgar Wolston Bertram Handsley Milne-Redhead Herbert Kenneth Airy Shaw | Royal Botanic Gardens, Kew | 16/6/1946 | BM |
| Carex acutiformis | GB, VC8 South Wiltshire, Harnham | Edward John Tatum | Royal Botanic Gardens, Kew | 24/6/1892 | E |
| Carex panicea | GB, VC77 Lanarkshire | Joseph Dalton Hooker | Royal Botanic Gardens, Kew Hewett Cottrell Watson | | E |
| Carex echinata | GB, Scotland | J Hooker | Royal Botanic Gardens, Kew Hewett Cottrell Watson | | E |
| Carex binervis | GB, VC113 Channel Islands, Guernsey | Henry Weaver | Royal Botanic Gardens, Kew H Weaver | 5/1896 | E |
| Carex sylvatica | GB, VC10 Isle of Wight, Bembridge, Steyne Wood | James Henry Augustus Steuart | Royal Botanic Gardens, Kew James Alfred Wheldon | 2/5/1893 | E |
| Carex flacca | GB, VC59 South Lancashire, Southport | James Alfred Wheldon | Botanical Exchange Club of The British Isles Royal Botanic Gardens, Kew James Alfred Wheldon | 17/6/1911 | E |