| Najas graminea | GB, VC59 South Lancashire, Ashton | Charles Bailey | William Hadden Beeby | 9/1883 | SLBI |
| Najas graminea | GB, VC59 South Lancashire, Ashton | Charles Bailey | Arthur Bennett Charles Bailey | 14/9/1883 | SLBI |
| Najas graminea | GB, VC59 South Lancashire, Canal at Reddish | Charles Bailey | Botanical Exchange Club of The British Isles Allan Octavian Hume Charles Bailey | 14/9/1883 | SLBI |
| Najas graminea | GB, VC59 South Lancashire, Reddish Green | Charles Bailey | Botanical Exchange Club of The British Isles Charles Bailey | 14/9/1883 | SLBI |
| Najas marina | GB, VC59 South Lancashire, Canal at Reddish | Charles Bailey | Botanical Exchange Club of The British Isles Charles Bailey | 14/9/1883 | SLBI |
| Oenothera grandiflora | GB, VC60 West Lancashire, Saint Anne's | Charles Bailey | Watson Botanical Exchange Club | 4/8/1906 11/8/1906 18/8/1906 20/10/1906 | SLBI |
| Oenothera grandiflora | GB, VC60 West Lancashire, Saint Anne's on Sea | Charles Bailey | Watson Botanical Exchange Club | 3/8/1907 | SLBI |
| Oenothera grandiflora | GB, VC60 West Lancashire, Saint Annes on Sea | Charles Bailey | Charles Bailey | 31/8/1907 | SLBI |
| Ononis repens | GB, VC85 Fifeshire, Saint
Andrews | Charles Bailey | Botanical Exchange Club of The British Isles Charles Bailey | 5/8/1882 | SLBI |
| Orchis ustulata | GB, VC3 South Devon, Torquay | Spencer Henry Bickham | Dulwich College Charles Bailey | | SLBI |
| Origanum vulgare | | | Charles Bailey William Hadden Beeby | | SLBI |
| Origanum vulgare | GB, VC10 Isle of Wight, Rowridge | Charles Bailey | Botanical Exchange Club of The British Isles | 8/10/1888 | SLBI |
| Parentucellia viscosa | GB, VC60 West Lancashire, Saint Anne's on Sea | Charles Bailey | Dulwich College | 31/7/1906 | SLBI |
| Petrorhagia prolifera | GB, VC45 Pembrokeshire, Tenby | Charles Bailey | Watson Botanical Exchange Club William Robert Sherrin | 2/9/1909 | SLBI |
| Petrorhagia prolifera | GB, VC113 Channel Islands, Saint Ouen's Bay, Jersey | Charles Bailey | William Hadden Beeby Charles Bailey | 29/7/1871 | SLBI |
| Plantago major | GB, VC59 South Lancashire, Hightown | Charles Bailey | Botanical Exchange Club of The British Isles | 5/8/1895 | SLBI |
| Plantago ramosa | GB, VC59 South Lancashire, Hightown | Charles Bailey | Botanical Society & Exchange Club of The British Isles | 3/8/1895 | SLBI |
| Plantago ramosa | GB, VC59 South Lancashire, Hightown | Charles Bailey | Botanical Exchange Club of The British Isles Croydon Natural History and Scientific Society Henry Franklin Parsons | 3/8/1895 | SLBI |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC52 Anglesey, Rhos Lligwy | | Charles Bailey | 23/9/1881 | SLBI |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC52 Anglesey, Rhos Lligwy | Charles Bailey | Charles Bailey William Hadden Beeby | 1/9/1875 | SLBI |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC52 Anglesey, Rhos Lligwy | Charles Bailey | Arthur Bennett Charles Bailey | 23/9/1881 | SLBI |
| Potamogeton gramineus | IE, VCH16 West Galway, Maam | David Moore | Allan Octavian Hume Arthur Bennett Charles Bailey | 8/1868 | SLBI |
| Potamogeton gramineus x perfoliatus = P. x nitens | GB, VC98 Argyllshire, Connel Ferry | Charles Bailey | Botanical Exchange Club of The British Isles | 21/7/1885 | SLBI |
| Potamogeton lucens x gramineus = P. x angustifolius | GB, VC69 Westmorland, Coniston Lake GB, VC70 Cumberland, Derwent Water | Charles Bailey | Botanical Exchange Club of The British Isles Charles Bailey | 15/9/1882 22/9/1882 | SLBI |
| Potamogeton pectinatus | GB, VC83 Midlothian, Duddingston Loch | Charles Bailey | Botanical Exchange Club of The British Isles Allan Octavian Hume Frederick Townsend Charles Bailey | 12/8/1882 | SLBI |
| Potamogeton polygonifolius | GB, VC98 Argyllshire, Kingshouse | Charles Bailey | Botanical Exchange Club of The British Isles Charles Bailey William Hadden Beeby | 22/7/1885 | SLBI |
| Potamogeton polygonifolius | GB, VC98 Argyllshire, Loch Laich | Charles Bailey | Charles Bailey William Hadden Beeby Botanical Exchange Club of The British Isles | 20/7/1885 | SLBI |
| Primula elatior | GB, VC19 North Essex, Brockley Wood, Tindon End | Charles Bailey | Alfred Loydell William Robert Sherrin | | SLBI |
| Pyrola rotundifolia subsp. maritima | GB, VC59 South Lancashire, Ainsdale | Charles Bailey | Dulwich College Charles Bailey | 28/8/1881 | SLBI |
| Ranunculus aquatilis | GB, VC38 Warwickshire, Milverton | Charles Bailey | Botanical Exchange Club of The British Isles Charles Bailey | 4/6/1879 | SLBI |
| Ranunculus aquatilis | GB, VC60 West Lancashire, Silverdale | Charles Bailey | Charles Bailey | 10/6/1881 | SLBI |
| Ranunculus baudotii | GB, VC10 Isle of Wight, Brading Harbour | Charles Bailey | Botanical Exchange Club of The British Isles William Hadden Beeby | 9/7/1881 | SLBI |
| Ranunculus circinatus | GB, VC14 East Sussex, Winchelsea | Charles Bailey | Botanical Exchange Club of The British Isles William Hadden Beeby Charles Bailey | 13/6/1878 | SLBI |
| Ranunculus flammula x reptans = R. x levenensis | GB, VC69 Westmorland, Ullswater | Charles Bailey | Botanical Exchange Club of The British Isles Charles Bailey | 16/7/1886 | SLBI |
| Ranunculus flammula x reptans = R. x levenensis | GB, VC69 Westmorland, Windermere | Charles Bailey | Botanical Exchange Club of The British Isles Charles Bailey | 25/7/1885 | SLBI |
| Ranunculus fluitans | GB, VC81 Berwickshire, East Reston | Charles Bailey | Botanical Exchange Club of The British Isles Allan Octavian Hume Frederick Townsend | 16/7/1900 | SLBI |
| Ranunculus omiophyllus x tripartitus = R. x novae-forestae | GB, VC11 South Hampshire, Brockenhurst | Charles Bailey | Botanical Exchange Club of The British Isles Charles Bailey William Hadden Beeby | 18/5/1883 | SLBI |
| Ranunculus peltatus | GB, VC57 Derbyshire, Ashover | Charles Bailey | Allan Octavian Hume Charles Bailey | 3/6/1882 | SLBI |
| Ranunculus peltatus | GB, VC57 Derbyshire, Ashover | Charles Bailey | | 3/6/1882 | SLBI |
| Ranunculus peltatus | GB, VC91 Kincardineshire, Stonehaven | Charles Bailey | Allan Octavian Hume Botanical Exchange Club of The British Isles | 6/7/1901 | SLBI |