+ | Carum carvi | GB, VC36 Herefordshire, Woolhope | Augustin Ley | Botanical Exchange Club of The British Isles Charles Bailey | 17/6/1886 | MANCH |
+ | Carum carvi | GB, VC36 Herefordshire, Woolhope | Augustin Ley | Botanical Exchange Club of The British Isles Charles Bailey | 17/6/1886 | MANCH |
+ | Carum carvi | GB, VC36 Herefordshire, Sollers Hope | Augustin Ley | Charles Bailey | 30/5/1872 | MANCH |
+ | Carum carvi | GB, VC36 Herefordshire, Sollers Hope | Augustin Ley | Charles Bailey | 30/5/1872 | MANCH |
| Centaurium erythraea | GB, VC10 Isle of Wight, Freshwater, Afton Down | Charles Bailey | Botanical Exchange Club of The British Isles Augustin Ley Charles Bailey | 13/7/1881 | BIRM |
| Centaurium erythraea | GB, VC52 Anglesey, South Stack | Charles Bailey | Botanical Exchange Club of The British Isles Augustin Ley Charles Bailey | 22/9/1881 | BIRM |
| Centaurium pulchellum | GB, VC59 South Lancashire, Southport,Marshside | Charles Bailey | Botanical Exchange Club of The British Isles Augustin Ley Charles Bailey | 27/8/1892 | BIRM |
| Centaurium pulchellum | GB, VC59 South Lancashire, Southport | Charles Bailey | Botanical Exchange Club of The British Isles Augustin Ley Charles Bailey | 27/8/1892 | BIRM |
| Centaurium pulchellum | GB, VC59 South Lancashire, Southport | Charles Bailey | Botanical Exchange Club of The British Isles Augustin Ley | 27/8/1892 | BIRM |
+ | Cephalanthera longifolia | GB, VC36 Herefordshire, Huntsham Hill | Augustin Ley | Charles Bailey | 6/5/1872 | MANCH |
+ | Cerastium alpinum | GB, VC88 Mid Perthshire, Ben Lawers | Augustin Ley | Charles Bailey | 15/7/1874 | MANCH |
+ | Cerastium alpinum | GB, VC90 Angus, Loch Brandy | Augustin Ley | Charles Bailey | 2/7/1874 | MANCH |
+ | Cerastium fontanum subsp. scoticum | GB, VC42 Breconshire, Brecon (Sw of),Brecon Beacons | Augustin Ley | Botanical Exchange Club of The British Isles Charles Bailey | 8/8/1888 | MANCH |
+ | Cerastium fontanum subsp. scoticum | GB, VC90 Angus, Little Kilrannoch [Little Gilrannoch] | Augustin Ley | Charles Bailey | 1/7/1874 | MANCH |
+ | Cerastium fontanum subsp. scoticum | GB, VC90 Angus, Little Kilrannoch [Little Gilrannoch] | Augustin Ley | Charles Bailey | 20/7/1876 | MANCH |
| Chenopodium ficifolium | GB, VC60 West Lancashire, Saint Anne's | Charles Bailey | Botanical Exchange Club of The British Isles Augustin Ley Charles Bailey | 12/10/1907 | BIRM |
| Chenopodium hybridum | GB, VC60 West Lancashire, Saint Annes on the Sea | Charles Bailey | Botanical Exchange Club of The British Isles Augustin Ley Charles Bailey | 31/8/1907 | BIRM |
+ | Clinopodium calamintha | GB, VC34 West Gloucestershire, Stanton | Augustin Ley | Charles Bailey | 10/9/1873 | MANCH |
+ | Clinopodium calamintha | GB, VC34 West Gloucestershire, Stanton | Augustin Ley | Charles Bailey | 10/9/1873 | MANCH |
| Conringia orientalis | GB, VC60 West Lancashire, Saint Annes on the Sea | Charles Bailey | Botanical Exchange Club of The British Isles Augustin Ley | 20/7/1907 | BIRM |
+ | Cornus suecica | GB, VC88 Mid Perthshire, Ben Lawers | Augustin Ley | Charles Bailey | 11/7/1872 | MANCH |
+ | Cornus suecica | GB, VC92 South Aberdeenshire, Braemar,Craig-na-dal-beag | Augustin Ley | Charles Bailey | 14/7/1876 | MANCH |
| Cotula coronopifolia | GB, VC58 Cheshire, Leasowe | Charles Bailey | Botanical Exchange Club of The British Isles Augustin Ley Charles Bailey | 7/8/1886 | BIRM |
| Cotula coronopifolia | GB, VC58 Cheshire, Leasowe lighthouse | Charles Bailey | Botanical Exchange Club of The British Isles Augustin Ley Charles Bailey | 7/7/1900 | BIRM |
+ | Cynoglossum germanicum | GB, VC34 West Gloucestershire, English Bicknor | Augustin Ley | Charles Bailey | 25/5/1875 | MANCH |
| Daucus maritimus | GB, VC15 East Kent, Shakespeare Cliff | Charles Bailey | Botanical Exchange Club of The British Isles Augustin Ley Charles Bailey | 29/8/1878 | BIRM |
| Daucus maritimus | GB, VC14 East Sussex, Hastings | Charles Bailey | Augustin Ley Charles Bailey | 14/6/1878 | BIRM |
+ | Deschampsia cespitosa subsp. alpina | GB, VC92 South Aberdeenshire, Lochnagar | Augustin Ley | Charles Bailey | 6/7/1874 | MANCH |
| Diplotaxis muralis | GB, VC14 East Sussex, Saint Leonards | Charles Bailey | Botanical Exchange Club of The British Isles Augustin Ley Charles Bailey | 15/6/1878 | BIRM |
| Dipsacus pilosus | GB, VC34 West Gloucestershire, Symonds Yat | Augustin Ley | Charles Bailey | 16/8/1875 | MANCH |
| Dipsacus pilosus | GB, VC34 West Gloucestershire, Symonds Yat | Augustin Ley | Manchester Museum Charles Bailey | 16/8/1875 | MANCH |
| Draba aizoides | GB, VC41 Glamorganshire, Pennard Castle | | Augustin Ley Charles Bailey John Hardy | | BIRM |
| Dryopteris carthusiana | GB, VC42 Breconshire, Defynnog | Augustin Ley | Botanical Exchange Club of The British Isles Charles Bailey | 31/7/1899 | BIRM |
+ | Dryopteris carthusiana x dilatata = D. x deweveri | GB, VC36 Herefordshire | Augustin Ley | Charles Bailey | 3/9/1891 | MANCH |
+ | Dryopteris carthusiana x dilatata = D. x deweveri | GB, VC34 West Gloucestershire, Forset of Dean,Foxes Bridge | Augustin Ley | Botanical Exchange Club of The British Isles Charles Bailey | 4/8/1892 | MANCH |
+ | Dryopteris carthusiana x dilatata = D. x deweveri | GB, VC34 West Gloucestershire, Pont Esgob | Augustin Ley | Botanical Exchange Club of The British Isles Charles Bailey | 28/8/1901 | MANCH |
+ | Dryopteris carthusiana x dilatata = D. x deweveri | GB, VC36 Herefordshire, Pembridge | Augustin Ley | Botanical Exchange Club of The British Isles Charles Bailey | 1/1910 | MANCH |
+ | Dryopteris carthusiana x dilatata = D. x deweveri | GB, VC34 West Gloucestershire, Saint Briavels | Augustin Ley | Botanical Exchange Club of The British Isles Charles Bailey | 21/9/1903 | MANCH |
+ | Dryopteris carthusiana x dilatata = D. x deweveri | GB, VC36 Herefordshire, Pembridge | Augustin Ley | Botanical Exchange Club of The British Isles Charles Bailey | 22/7/1887 | MANCH |
| Dryopteris submontana | GB, VC69 Westmorland, Whitbarrow | Charles Bailey | Augustin Ley Charles Bailey | 11/7/1874 | BIRM |