| Hieracium sabaudum | GB, VC17 Surrey, Bramshott | Charles Bailey | John Gilbert Baker | 6/10/1905 | BIRM |
| Juncus inflexus x effusus = J. x diffusus | GB, VC17 Surrey, Wimbledon | John Gilbert Baker | Charles Bailey | 8/1880 | MANCH |
| Juncus inflexus x effusus = J. x diffusus | GB, VC17 Surrey, Wimbledon | John Gilbert Baker | Botanical Exchange Club of The British Isles Charles Bailey | 8/1880 | MANCH |
| Juncus inflexus x effusus = J. x diffusus | GB, VC17 Surrey, Wimbledon | John Gilbert Baker | Charles Bailey | 8/1880 | MANCH |
+ | Linnaea borealis | GB, VC92 South Aberdeenshire, Braemar, Castleton | John Gilbert Baker | Charles Bailey | | MANCH |
| Melilotus albus | GB, VC17 Surrey, Kew | John Gilbert Baker | Charles Bailey | 6/1870 | BIRM |
+ | Mentha crispa | | John Gilbert Baker | Charles Bailey John Hardy John Isaac Briquet William Sole | 1840 | MANCH |
+ | Minuartia verna | GB, VC65 North-west Yorkshire, Wensleydale | John Gilbert Baker | Charles Bailey John Hardy | | MANCH |
+ | Minuartia verna | GB, VC65 North-west Yorkshire, Wensleydale | John Gilbert Baker | Charles Bailey | 6/1860 | MANCH |
+ | Poa glauca | GB, VC64 Mid-west Yorkshire, Ingleborough | John Gilbert Baker | Charles Bailey John Gilbert Baker John Ray Hardy | 8/1855 | MANCH |
| Potamogeton berchtoldii | GB, VC62 North-east Yorkshire, Newsham | John Gilbert Baker | Charles Bailey | | MANCH |
+ | Potentilla rupestris | | John Gilbert Baker | Charles Bailey | 5/1871 | MANCH |
+ | Potentilla rupestris | | John Gilbert Baker | Charles Bailey | 5/1871 | MANCH |
+ | Potentilla rupestris | | John Gilbert Baker | Charles Bailey | 5/1871 | MANCH |
+ | Primula farinosa | GB, VC62 North-east Yorkshire, Boltby | John Gilbert Baker | Charles Bailey John Gilbert Baker John Ray Hardy | | MANCH |
+ | Primula farinosa | GB, VC62 North-east Yorkshire | John Gilbert Baker | Charles Bailey John Harbord Lewis | 6/1855 | MANCH |
| Ranunculus acris | GB, VC62 North-east Yorkshire, Thirsk | John Gilbert Baker | Charles Bailey John Hardy John Gilbert Baker | | MANCH |
| Rubus cordifolius | GB, VC39 Staffordshire, Harracles Mill | Charles Bailey John Gilbert Baker | | 8/9/1887 | BSBI |
| Salix cinerea x aurita = S. x multinervis | GB, VC62 North-east Yorkshire, Thirsk | John Gilbert Baker | Charles Bailey John Ray Hardy | 6/1882 to 9/1882 | MANCH |
| Salix cinerea x aurita = S. x multinervis | GB, VC62 North-east Yorkshire, Thirsk | John Gilbert Baker | Botanical Exchange Club of the Thirsk Natural History Society Charles Bailey John Ray Hardy | 1860 | MANCH |
| Salix cinerea x phylicifolia = S. x laurina | GB, VC17 Surrey, Kew Cultivated | John Gilbert Baker | Charles Bailey | 5/1881 to 9/1881 | MANCH |
| Salix cinerea x phylicifolia = S. x laurina | GB, VC17 Surrey, Kew Cultivated | John Gilbert Baker | Botanical Exchange Club of The British Isles Charles Bailey | 5/1881 to 9/1881 | MANCH |
| Salix cinerea x phylicifolia = S. x laurina | GB, VC17 Surrey, Kew Cultivated | John Gilbert Baker | Botanical Exchange Club of The British Isles Charles Bailey | 5/1881 to 9/1881 | MANCH |
| Salix triandra x viminalis var. undulata | GB, VC62 North-east Yorkshire, Thirsk | John Gilbert Baker | Charles Bailey John Ray Hardy | 9/1851 | MANCH |
| Salix triandra x viminalis var. undulata | GB, VC17 Surrey, Richmond | John Gilbert Baker | Charles Bailey John Gilbert Baker | 28/4/1867 to 10/8/1867 | MANCH |
| Salix viminalis x caprea x cinerea = S. x calodendron | GB, VC17 Surrey, Kew Cultivated | | Charles Bailey John Gilbert Baker | 1867 | MANCH |
| Salix viminalis x cinerea = S. x holosericea | GB, VC62 North-east Yorkshire, Kilvington | John Gilbert Baker | Charles Bailey John Hardy John Gilbert Baker | 9/1855 | MANCH |
| Salix viminalis x cinerea = S. x holosericea | GB, VC62 North-east Yorkshire, Thirsk | John Gilbert Baker | Charles Bailey John Gilbert Baker John Ray Hardy | 9/1855 | MANCH |
| Salix viminalis x cinerea = S. x holosericea | GB, VC62 North-east Yorkshire, Thirsk | John Gilbert Baker | Charles Bailey John Gilbert Baker John Ray Hardy | 14/9/1855 | MANCH |
| Salix viminalis x cinerea = S. x holosericea | GB, VC62 North-east Yorkshire, Thirsk | James Ward John Gilbert Baker | Richmond Museum Charles Bailey | 9/1854 | MANCH |
| Salix viminalis x cinerea = S. x holosericea | GB, VC62 North-east Yorkshire, Thirsk | John Gilbert Baker | Charles Bailey William Lowndes Notcutt | | MANCH |
| Salix viminalis x cinerea = S. x holosericea | GB, VC62 North-east Yorkshire, Kilvington | James Ward John Gilbert Baker | Richmond Museum Charles Bailey James Ward | 4/1863 9/1863 | MANCH |
| Salix x mollissima var. hippophaefolia | GB, VC17 Surrey, Kew Cultivated | John Gilbert Baker | Charles Bailey John Gilbert Baker | 4/1867 to 8/1867 | MANCH |
+ | Saxifraga hypnoides | GB, VC17 Surrey, Kew | John Gilbert Baker | Charles Bailey John Gilbert Baker | | MANCH |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC17 Surrey, Kew Cultivated | John Gilbert Baker | Botanical Exchange Club of The British Isles Charles Bailey | 7/1880 | MANCH |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC17 Surrey, Kew Cultivated | John Gilbert Baker | Charles Bailey | 8/1869 | MANCH |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC17 Surrey, Kew Cultivated | John Gilbert Baker | Botanical Exchange Club of The British Isles Manchester Museum Charles Bailey | 7/1880 | MANCH |
| Viola reichenbachiana | GB, VC62 North-east Yorkshire, Feliskirk | John Gilbert Baker | Charles Bailey John Hardy | | MANCH |
+ | Viola tricolor | GB, VC43 Radnorshire, Knighton Cultivated | John Gilbert Baker | Botanical Exchange Club of The British Isles Charles Bailey | 12/7/1900 | MANCH |
+ | Viola tricolor | GB, VC62 North-east Yorkshire, Thirsk | John Gilbert Baker | Botanical Exchange Club of the Thirsk Natural History Society Charles Bailey John Ray Hardy | 1858 | MANCH |