| Salix alba | GB, VC38 Warwickshire, Coventry | Thomas Kirk | Donor Unknown | 4/1854 9/1854 | BIRM |
| Salix fragilis var. russelliana | GB, VC38 Warwickshire, Pinley | Thomas Kirk | Donor Unknown | 4/1854 to 9/1854 | BIRM |
| Salix viminalis x caprea = S. x smithiana | GB, VC38 Warwickshire, Pinley | Thomas Kirk | Donor Unknown | 4/1854 to 9/1854 | BIRM |
| Antirrhinum majus | GB, VC38 Warwickshire, Coventry | Thomas Kirk | Augustin Ley | 29/7/1853 | BIRM |
| Epilobium roseum | GB, VC38 Warwickshire, Coventry | Thomas Kirk | Augustin Ley Isaiah Waterloo Nicholson Keys | 8/1853 | BIRM |
| Salix pentandra x fragilis = S. x meyeriana | GB, VC40 Shropshire, Shrewsbury Cultivated | Thomas Kirk | Augustin Ley | 6/1853 to 10/1853 | BIRM |
| Calluna vulgaris | GB, VC49 Caernarvonshire, Bwlch yr Haiarn | Thomas Kirk | Augustin Ley | 9/1849 | BIRM |
| Camelina sativa | IE, VCH16,VCH17, Galway | Thomas Kirk | Augustin Ley | 5/9/1853 | BIRM |
| Narcissus poeticus | GB, VC38 Warwickshire, Fillongley | Thomas Kirk | John Harbord Lewis | 6/1860 | BIRM |
| Elodea canadensis | GB, VC32 Northamptonshire, Watford | Thomas Kirk | | 1849 | E |
| Elodea canadensis | GB, VC32 Northamptonshire, Watford Locks | Thomas Kirk | Mantua And Montferrat Thomas Kirk | 14/11/1848 | BON |
| Elodea canadensis | GB, VC32 Northamptonshire, Watford Locks | Thomas Kirk | | 11/8/1849 | E |
| Elodea canadensis | GB, VC38 Warwickshire, Sowe Waste, Coventry | Thomas Kirk | | | E |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC52 Anglesey, Bodafon | Thomas Kirk | Thirsk Natural History Society Mantua And Montferrat | 9/1858 | BON |
| Scheuchzeria palustris | GB, VC62 North-east Yorkshire, Thirsk | | Thomas Kirk | | E |
| Potamogeton filiformis | GB, Ambiguous locality (GB), Longford | Thomas Kirk | | | SLBI |
| Potamogeton filiformis | GB, Ambiguous locality (GB), Longford | Thomas Kirk | | 16/8/1853 | SLBI |
| Potamogeton gramineus | IE, VCH16,VCH17, Lough Corrib IE, VCH18 Offaly, Oughter | | Thomas Kirk | 8/1858 | E |
| Salix viminalis x caprea = S. x smithiana | GB, VC38 Warwickshire, Wyken | Thomas Kirk | IRGMA | 25/4/1853 19/9/1853 | LIV |
| Sparganium natans | GB, VC37 Worcestershire, Asbury Hall | Thomas Kirk | Charles Ottley Groom | 7/1854 | BON |
| Carex flacca | GB, VC38 Warwickshire, Wyken | Thomas Kirk | Charles Ottley Groom | 31/5/1854 to 7/1855 | BON |
+ | Groenlandia densa | GB, VC32 Northamptonshire, River Nene at Muscott Mill | Thomas Kirk | | 8/1849 | BIRM |
| Potamogeton polygonifolius | GB, VC38 Warwickshire, Warwick | Thomas Kirk | | | BIRM |
| Potamogeton natans x gramineus = P. x sparganiifolius | IE, VCH16 West Galway, Maam | | Thomas Kirk | 9/1858 | E |
| Potamogeton filiformis | GB, VC38 Warwickshire, Stoke Heath | Thomas Kirk | William Hadden Beeby | | SLBI |
| Elodea canadensis | GB, VC32 Northamptonshire, Watford Locks | Thomas Kirk | John Ball | 11/1848 | E |
+ | Lactuca saligna | GB, VC16 West Kent, Woolwich | Thomas Kirk | John Hutton Balfour | 1862 | PTH |
+ | Rubus | GB, VC38 Warwickshire, Coventry | Thomas Kirk | John Hutton Balfour | 9/1834 | PTH |
+ | Torilis arvensis | GB, VC38 Warwickshire, Coventry | Thomas Kirk | John Hutton Balfour | | PTH |
+ | Epilobium obscurum | GB, VC38 Warwickshire, Griff | Thomas Kirk | John Hutton Balfour | 9/1855 | PTH |
+ | Crepis biennis | GB, VC38 Warwickshire, Leek Wootton | Thomas Kirk | John Hutton Balfour | | PTH |
| Lamium | GB, VC38 Warwickshire, Allesley | John Gilbert Baker Thomas Kirk | George Stephen West | 5/1853 | BIRM |
| Sanguisorba minor subsp. muricata | GB, VC38 Warwickshire, Kenilworth | John Gilbert Baker Thomas Kirk | George Stephen West | 7/1850 | BIRM |
| Potamogeton pectinatus | GB, VC38 Warwickshire, Stoke Heath | John Gilbert Baker Thomas Kirk | George Stephen West | 5/1852 | BIRM |
+ | Thalictrum flavum | GB, VC38 Warwickshire, Warwickshire | John Gilbert Baker Thomas Kirk | | 1898 | BIRM |
+ | Potamogeton acutifolius | GB, VC27 East Norfolk, nr Norwich,Heigham | Thomas Kirk | Charles Bailey John Harbord Lewis | 4/9/1857 | MANCH |
+ | Myriophyllum verticillatum | GB, VC38 Warwickshire | Thomas Kirk | Charles Bailey William Lowndes Notcutt | 1847 | MANCH |
+ | Campanula rapunculus | GB, VC38 Warwickshire, Arbury Hall | Thomas Kirk | Charles Bailey | 7/1854 | MANCH |
| Potamogeton alpinus | GB, VC38 Warwickshire, Arbury Park | Thomas Kirk | Charles Bailey John Harbord Lewis | 9/1849 | MANCH |
+ | Silene gallica | GB, VC38 Warwickshire, Binley Common | Thomas Kirk | Charles Bailey John Harbord Lewis | 8/1860 | MANCH |