| 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 |
| 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 |
| Ceterach officinarum | GB, VC34 West Gloucestershire, Staunton | Botanical Society of The British Isles | Douglas Montague Heath | 16/6/1951 | BIRM |
| 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 |
| Carex divulsa subsp. divulsa | GB, VC39 Staffordshire, Marchington | Eric Smoothy Edees | Botanical Society of The British Isles | 9/8/1948 | BM |
| Carex leporina | GB, VC67 South Northumberland, Deadwater Moor | Edward Benedict Bangerter | Botanical Society of The British Isles | 29/6/1958 | BM |
| 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 |
| 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 |
| Carex elongata | GB, VC86 Stirlingshire, Gartfairn | Alan McGregor Stirling J Mitchell | Botanical Society of The British Isles | 4/6/1977 | E |
| Carex pendula | GB, VC39 Staffordshire, Whitmore | Eric Smoothy Edees | Botanical Society of The British Isles | 4/7/1952 | E |
| Atriplex patula | IE, VCH9,VCH15, Roo | Botanical Society of The British Isles | | 3/7/1982 | GALW |
| Carex arenaria | IE, VCH12 Co. Wexford, Carnsore Point | Botanical Society of The British Isles | | 30/8/1977 | GALW |
| Carex otrubae | IE, VCH12 Co. Wexford, Tacumshin Lake | Botanical Society of The British Isles | | 30/8/1987 | GALW |
| Chenopodium album | IE, VCH12 Co. Wexford, Tacumshin Lough | Botanical Society of The British Isles | | 30/8/1977 | GALW |
| Crithmum maritimum | IE, VCH12 Co. Wexford, Carnsore Point | Botanical Society of The British Isles | | 30/8/1977 | GALW |
| Dryopteris filix-mas | IE, VCH25 Co. Roscommon, Roscommon | Botanical Society of The British Isles | | 19/9/1984 | GALW |
| Erodium moschatum | IE, VCH12 Co. Wexford, Ballyteige | Botanical Society of The British Isles | | 30/8/1977 | GALW |
| Eryngium maritimum | IE, VCH12 Co. Wexford, Lady's Island | Botanical Society of The British Isles | | 30/8/1977 | GALW |
| Erysimum cheiranthoides | IE, VCH9,VCH15, Roo | Botanical Society of The British Isles | | 3/7/1987 | GALW |
| Honckenya peploides | IE, VCH12 Co. Wexford, Lady's Island | Botanical Society of The British Isles | | 30/8/1977 | GALW |
| Oenanthe lachenalii | IE, VCH12 Co. Wexford, Castlebridge | Botanical Society of The British Isles | | 29/8/1977 | GALW |
| Salicornia europaea | IE, VCH12 Co. Wexford, Lady's Island | Botanical Society of The British Isles | | 30/8/1977 | GALW |
| Ajuga reptans | GB, VC14 East Sussex, Ashurst Wood | Christopher Robert Billups | Botanical Society of The British Isles Christopher Robert Billups | 14/5/1906 | K |
| Baldellia ranunculoides | GB, VC96 East Inverness-shire, Beauly,Beauly River | Thomas Gaskell Tutin | Botanical Society of The British Isles University of Leicester | 17/7/1947 | K |
| Bupleurum tenuissimum | GB, VC15 East Kent, Faversham | Reginald Ernest Parker | Botanical Society of The British Isles | 9/1953 | K |
| Callitriche obtusangula | GB, VC35 Monmouthshire, Rumney | Arthur Edward Wade | Botanical Society of The British Isles National Museum of Wales | 20/6/1949 | 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 |
| 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 |
| Mentha gentilis var. varigata | GB, VC13 West Sussex, Bexley Hill | Edward Charles Wallace | Botanical Society of The British Isles | 22/8/1948 | K |
| Mentha spicata | GB, VC1 West Cornwall, Perranzabuloe,Lambourne Hill | Francis Rilstone | Botanical Society of The British Isles | 23/8/1948 | K |
| Mentha spicata | GB, VC77 Lanarkshire, Liberton | Clara Winsome Muirhead | Botanical Society of The British Isles | 3/10/1953 | K |
| 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 | GB, VC91 Kincardineshire, St Cyrus Cultivated | | Botanical Society of The British Isles Rex Alan Henry Graham | 15/9/1952 | 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 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, VC28 West Norfolk, Dersingham | Eric Lister Swann | Botanical Society of The British Isles | 31/8/1950 | 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, 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 |