| Achillea millefolium | GB, VC65 North-west Yorkshire, Richmond | James Ward | Richmond Museum Charles Bailey | 29/6/1865 | MANCH |
| Achillea millefolium | GB, VC65 North-west Yorkshire, Richmond | James Ward | Richmond Museum Charles Bailey | 23/8/1865 | MANCH |
| Achillea ptarmica | GB, VC65 North-west Yorkshire, Richmond | James Ward | Richmond Museum Charles Bailey | 9/8/1865 | MANCH |
| Actaea spicata | GB, VC65 North-west Yorkshire, Askrigg | James Ward | Richmond Museum Charles Bailey | 7/1836 | MANCH |
| Adoxa moschatellina | GB, VC65 North-west Yorkshire, Richmond | James Ward | Richmond Museum Charles Bailey | 4/1840 | MANCH |
+ | Agrostemma githago | GB, VC65 North-west Yorkshire, Richmond | James Ward | Charles Bailey James Ward | 14/8/1844 | MANCH |
+ | Ajuga pyramidalis | | James Ward | Charles Bailey | 16/6/1866 | MANCH |
+ | Ajuga pyramidalis | GB, VC88 Mid Perthshire, Ben Lawers | James Ward | Charles Bailey John Wilson Rimington | 1832 | MANCH |
| Alisma plantago-aquatica | GB, VC65 North-west Yorkshire, Richmond | James Ward | Richmond Museum Charles Bailey | 25/7/1865 | MANCH |
+ | Allium oleraceum | GB, VC65 North-west Yorkshire, Richmond,Gallowgate | James Ward | Charles Bailey James Ward | 13/7/1866 | MANCH |
| Allium scorodoprasum | GB, VC65 North-west Yorkshire, Thoralby | James Ward | John Tatham | 7/1840 | ABS |
+ | Anagallis minima | GB, VC62 North-east Yorkshire, Teesdale,Stockton Forest | James Ward | Charles Bailey James Ward | 9/1840 | MANCH |
| Anemone nemorosa | GB, VC65 North-west Yorkshire, Aske Wood | James Ward | Richmond Museum Charles Bailey | 17/5/1865 | MANCH |
| Anemone nemorosa | GB, VC65 North-west Yorkshire, Richmond | James Ward | Richmond Museum Charles Bailey | 14/4/1865 | MANCH |
| Antennaria dioica | GB, VC65 North-west Yorkshire, Richmond | James Ward | Richmond Museum Charles Bailey | 23/6/1865 | MANCH |
+ | Anthemis arvensis | GB, VC65 North-west Yorkshire, Richmond | James Ward | Charles Bailey | 8/5/1838 | MANCH |
+ | Anthemis arvensis | GB, VC65 North-west Yorkshire, Richmond | James Ward | John Hutton Balfour | 29/8/1838 | PTH |
+ | Anthemis cotula | GB, VC65 North-west Yorkshire, Richmond | James Ward | Charles Bailey James Ward | 24/7/1865 | MANCH |
| Antirrhinum majus | GB, VC65 North-west Yorkshire, Richmond | James Ward | William Jackson Hooker | 26/6/1835 | K |
+ | Arabis glabra | GB, VC65 North-west Yorkshire, Catterick | James Ward | | 6/1853 | MANCH |
+ | Armoracia rusticana | GB, VC65 North-west Yorkshire, Richmond | James Ward | John Hutton Balfour | 19/6/1838 | PTH |
+ | Artemisia campestris | GB, VC26 West Suffolk, Thetford | Roberts Leyland | Richmond Museum Charles Bailey James Ward | 9/1837 | MANCH |
+ | Bidens cernua | GB, VC65 North-west Yorkshire, Richmond | James Ward | John Hutton Balfour | 17/8/1835 | PTH |
+ | Bidens tripartita | GB, VC65 North-west Yorkshire, Richmond | James Ward | John Hutton Balfour | 17/8/1835 | PTH |
+ | Blysmus compressus | GB, VC65 North-west Yorkshire, Richmond,Saint Trinians | James Ward | Richmond Museum Charles Bailey | 7/1836 | MANCH |
+ | Bromus secalinus | GB, VC65 North-west Yorkshire, Richmond,Whitcliffe Wood | James Ward | Richmond Museum Charles Bailey | 1832 | MANCH |
+ | Bupleurum rotundifolium | GB, VC62 North-east Yorkshire, Middlesbrough | James Ward | Richmond Museum Charles Bailey | 6/1857 | MANCH |
+ | Bupleurum tenuissimum | GB, VC10 Isle of Wight, Sandown | James Ward | Charles Bailey James Ward | 9/9/1869 | MANCH |
+ | Bupleurum tenuissimum | GB, VC11 South Hampshire, Isle of Portsea | Daniel Chambers MacReight | Charles Bailey James Ward | 9/1836 | MANCH |
| Butomus umbellatus | GB, VC62 North-east Yorkshire, Northallerton | James Ward | Richmond Museum Charles Bailey | 7/1836 | MANCH |
+ | Calamagrostis stricta | IE, VCH39 Co. Antrim, Toomebridge,Lough Beg | | Charles Bailey James Ward Samuel Alexander Stewart | 8/7/1866 | MANCH |
+ | Calamintha arvensis | GB, VC90 Angus, Airly | A H Bailey | Charles Bailey James Ward James Ward | 7/1836 | MANCH |
| Caltha palustris var. guerangerii | GB, VC65 North-west Yorkshire, Richmond | James Ward | Richmond Museum Charles Bailey | 21/4/1865 | MANCH |
| Caltha palustris var. guerangerii | GB, VC65 North-west Yorkshire, Wensleydale | James Ward | Richmond Museum Charles Bailey | 15/6/1840 | MANCH |
| Campanula latifolia | GB, VC65 North-west Yorkshire, Richmond | James Ward | Richmond Museum Charles Bailey | 16/7/1865 | MANCH |
| Campanula trachelium | GB, VC85 Fifeshire, Donibristle | Rev. A Robertson | Richmond Museum Charles Bailey James Ward | 7/1836 | MANCH |
+ | Cardamine impatiens | | | Charles Bailey James Ward | 7/1863 | MANCH |
| Carex acutiformis | GB, VC65 North-west Yorkshire, Richmond | James Ward | | 10/6/1839 | E |
| Carex canescens | GB, VC65 North-west Yorkshire, Semer Water | James Ward | | 15/6/1840 | E |
| Carex diandra | GB, VC65 North-west Yorkshire, Halnaby | James Ward | | 12/6/1841 | E |