| Adoxa moschatellina | GB, VC21 Middlesex, Neasdon | Eyre Champion de Crespigny | Charles Bailey Eyre Champion de Crespigny | 1878 | MANCH |
| Adoxa moschatellina | GB, VC21 Middlesex, Neasdon | Eyre Champion de Crespigny | Charles Bailey Eyre Champion de Crespigny | 12/6/1882 | MANCH |
+ | Agrostemma githago | GB, VC16 West Kent, Beckenham | Eyre Champion de Crespigny | Charles Bailey Eyre de Crespigny | 1892 | MANCH |
+ | Agrostemma githago | GB, VC17 Surrey | Eyre Champion de Crespigny | Charles Bailey Eyre de Crespigny | 1879 | MANCH |
| Agrostis stolonifera x Polypogon monspeliensis = x Agropogon littoralis | GB, VC18 South Essex, Canvey Island | Eyre Champion de Crespigny | Charles Bailey | 7/1879 | MANCH |
| Agrostis stolonifera x Polypogon monspeliensis = x Agropogon littoralis | GB, VC18 South Essex, Canvey Island | Eyre Champion de Crespigny | Charles Bailey Eyre Champion de Crespigny | 1883 | MANCH |
| Agrostis stolonifera x Polypogon monspeliensis = x Agropogon littoralis | GB, VC18 South Essex, Canvey Island | Eyre Champion de Crespigny | Charles Bailey Eyre Champion de Crespigny | 1888 | MANCH |
| Agrostis stolonifera x Polypogon monspeliensis = x Agropogon littoralis | GB, VC18 South Essex, Canvey Island | Eyre Champion de Crespigny | Charles Bailey John Wilson Rimington Spencer Henry Bickham | 7/1877 | MANCH |
| Agrostis stolonifera x Polypogon monspeliensis = x Agropogon littoralis | GB, VC18 South Essex, Canvey Island | Eyre Champion de Crespigny | Charles Bailey Eyre Champion de Crespigny | 1878 | MANCH |
+ | Ajuga chamaepitys | GB, VC17 Surrey, Banstead Downs | Eyre Champion de Crespigny | Charles Bailey Eyre Champion de Crespigny Eyre de Crespigny | 1883 | MANCH |
+ | Ajuga chamaepitys | GB, VC17 Surrey, Banstead Downs | Eyre Champion de Crespigny | Charles Bailey | 1882 | MANCH |
+ | Ajuga chamaepitys | GB, VC17 Surrey, Banstead Downs | Eyre Champion de Crespigny | Charles Bailey Eyre Champion de Crespigny Eyre de Crespigny | 1882 | MANCH |
+ | Ajuga chamaepitys | GB, VC17 Surrey, Dorking,Box Hill | Eyre Champion de Crespigny | Charles Bailey Eyre Champion de Crespigny Eyre de Crespigny | 7/1886 | MANCH |
| Alisma plantago-aquatica | GB, VC17 Surrey, Barnes | Eyre Champion de Crespigny | | 1879 | MANCH |
+ | Althaea hirsuta | GB, VC34 West Gloucestershire, Bristol,Pur Down | Eyre Champion de Crespigny | Eyre Champion de Crespigny | 7/1878 | MANCH |
+ | Anagallis minima | GB, VC17 Surrey, Bagshot Heath | Eyre Champion de Crespigny | Charles Bailey Eyre Champion de Crespigny | 1876 | MANCH |
+ | Anagallis minima | GB, VC17 Surrey, Bagshot Heath | | Charles Bailey Eyre Champion de Crespigny | 1876 | MANCH |
| Anemone apennina | GB, VC3 South Devon, Exeter | | Charles Bailey Eyre Champion de Crespigny F C King | 4/1885 | MANCH |
| Anemone apennina | GB, VC16 West Kent, Beckenham Cultivated | Eyre Champion de Crespigny | Charles Bailey Eyre Champion de Crespigny | 1894 | MANCH |
| Anemone apennina | GB, VC17 Surrey | Eyre Champion de Crespigny | Charles Bailey | | MANCH |
| Anemone nemorosa | GB, VC21 Middlesex, Hampstead Heath | Eyre Champion de Crespigny | Charles Bailey Eyre Champion de Crespigny | 1873 | MANCH |
| Anemone nemorosa | GB, VC21 Middlesex, London | Eyre Champion de Crespigny | Charles Bailey Eyre Champion de Crespigny | 1883 | MANCH |
| Anemone nemorosa | GB, VC21 Middlesex, Pinner | Eyre Champion de Crespigny | Eyre Champion de Crespigny | 1873 | MANCH |
+ | Anthemis cotula | GB, VC17 Surrey, Aldershot,Ash | Eyre Champion de Crespigny | Charles Bailey | 1879 | MANCH |
+ | Anthemis cotula | GB, VC17 Surrey, Aldershot,Ash | Eyre Champion de Crespigny | Charles Bailey Eyre Champion de Crespigny | 1878 | MANCH |
+ | Anthemis cotula | GB, VC17 Surrey, Guildford (Sw of),Puttenham | Eyre Champion de Crespigny | Charles Bailey | 7/1879 | MANCH |
+ | Anthemis cotula | GB, VC17 Surrey, Guildford (Sw of),Puttenham | Eyre Champion de Crespigny | Charles Bailey Eyre Champion de Crespigny | 1877 | MANCH |
+ | Apera spica-venti | GB, VC17 Surrey, Hersham | Eyre Champion de Crespigny | Charles Bailey Eyre Champion de Crespigny Eyre de Crespigny | 1883 | MANCH |
+ | Apera spica-venti | GB, VC17 Surrey, Hersham | Eyre Champion de Crespigny | Charles Bailey Eyre Champion de Crespigny Eyre de Crespigny | 1886 | MANCH |
+ | Apera spica-venti | GB, VC17 Surrey, Thames Ditton | Eyre Champion de Crespigny | Charles Bailey Eyre Champion de Crespigny | 1875 | MANCH |
+ | Arabis glabra | GB, VC20 Hertfordshire | Eyre Champion de Crespigny | | 1882 | MANCH |
+ | Arabis glabra | GB, VC20 Hertfordshire, Hatfield Park | Eyre Champion de Crespigny | | 1882 | MANCH |
+ | Arabis petraea | GB, VC49 Caernarvonshire, Snowdon, Clogwyn Du'r Arddu | John William Burton | Eyre Champion de Crespigny | 29/7/1875 | MANCH |
+ | Arabis scabra | GB, VC34 West Gloucestershire, Clifton | William Booth Waterfall | Botanical Exchange Club Charles Bailey Eyre Champion de Crespigny | 24/5/1879 | MANCH |
+ | Arabis scabra | GB, VC34 West Gloucestershire, Clifton | Eyre Champion de Crespigny | Botanical Exchange Club of The British Isles Charles Bailey Eyre Champion de Crespigny | 1881 | MANCH |
+ | Arabis scabra | GB, VC34 West Gloucestershire, Clifton | Eyre Champion de Crespigny | Charles Bailey | 4/1881 | MANCH |
+ | Arnoseris minima | GB, VC17 Surrey, Frensham | Eyre Champion de Crespigny | Charles Bailey Eyre Champion de Crespigny | 1882 | MANCH |
+ | Arnoseris minima | GB, VC17 Surrey, Frensham | Eyre Champion de Crespigny | Charles Bailey Eyre Champion de Crespigny | 1882 | MANCH |
+ | Arnoseris minima | GB, VC17 Surrey, Frensham | Eyre Champion de Crespigny | Charles Bailey | 1882 | MANCH |
+ | Arnoseris minima | GB, VC23 Oxfordshire | Eyre Champion de Crespigny | Charles Bailey | 1882 | MANCH |