| Hieracium umbellatum | GB, VC38 Warwickshire, Binley | Thomas Kirk | Frederick Townsend | 7/1854 | SLBI |
| Potamogeton filiformis | GB, VC38 Warwickshire, Stoke Heath | Thomas Kirk | William Hadden Beeby | | SLBI |
| Potamogeton filiformis | GB, Ambiguous locality (GB), Longford | Thomas Kirk | | 16/8/1853 | SLBI |
| Potamogeton filiformis | GB, Ambiguous locality (GB), Longford | Thomas Kirk | | | SLBI |
| Potamogeton gramineus | IE, VCH16,VCH17, Lough Corrib | Thomas Kirk | Allan Octavian Hume Frederick Townsend | 7/9/1853 | SLBI |
| Potamogeton gramineus | IE, VCH16,VCH26, Lough Corrib | Thomas Kirk | Allan Octavian Hume Frederick Townsend | 7/9/1853 | SLBI |
| Potamogeton gramineus | IE, VCH16 West Galway, Lough Corrib | Thomas Kirk | Allan Octavian Hume Frederick Townsend | 7/9/1853 | SLBI |
+ | Crepis biennis | GB, VC38 Warwickshire, Leek Wootton | Thomas Kirk | John Hutton Balfour | | PTH |
+ | Epilobium obscurum | GB, VC38 Warwickshire, Griff | Thomas Kirk | John Hutton Balfour | 9/1855 | PTH |
+ | 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 |
+ | Tilia platyphyllos | | Thomas Kirk | John Hutton Balfour | 1862 | PTH |
+ | Torilis arvensis | GB, VC38 Warwickshire, Coventry | Thomas Kirk | John Hutton Balfour | | PTH |
+ | Campanula rapunculus | GB, VC38 Warwickshire, Arbury Hall | Thomas Kirk | Charles Bailey | 7/1854 | MANCH |
+ | Campanula rapunculus | GB, VC39 Staffordshire | Thomas Kirk | Botanical Exchange Club Charles Bailey John (Joannis) Fraser | 7/1879 | MANCH |
| Epipactis helleborine | GB, VC38 Warwickshire, Coventry | Thomas Kirk | Charles Bailey | 6/1856 | MANCH |
| Epipactis helleborine | GB, VC38 Warwickshire, Kenilworth | Thomas Kirk | Charles Bailey | | MANCH |
| Epipactis helleborine | GB, VC38 Warwickshire, Weston under Wetherley | Thomas Kirk | Charles Bailey William Lowndes Notcutt | 8/1854 | MANCH |
+ | Equisetum hyemale x ramosissimum = E. x moorei | IE, VCH20 Co. Wicklow, Rockfield | Thomas Kirk | Charles Bailey | 9/1838 | MANCH |
+ | Equisetum hyemale x ramosissimum = E. x moorei | IE, VCH20 Co. Wicklow, Rockfield | Thomas Kirk | Hewett Cottrell Watson | 9/1858 | MANCH |
+ | Filago vulgaris | GB, VC38 Warwickshire | Thomas Kirk | Charles Bailey | 8/1856 | MANCH |
+ | Myriophyllum verticillatum | GB, VC38 Warwickshire | Thomas Kirk | Charles Bailey William Lowndes Notcutt | 1847 | MANCH |
+ | Platanthera chlorantha | GB, VC38 Warwickshire, Fillongley | Thomas Kirk | Charles Bailey | 7/1854 | MANCH |
+ | Potamogeton acutifolius | GB, VC27 East Norfolk, nr Norwich,Heigham | Thomas Kirk | Charles Bailey John Harbord Lewis | 4/9/1857 | MANCH |
| Potamogeton alpinus | GB, VC38 Warwickshire, Arbury Park | Thomas Kirk | Charles Bailey John Harbord Lewis | 9/1849 | MANCH |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC52 Anglesey, Bodafon | Thomas Kirk | Botanical Exchange Club of the Thirsk Natural History Society Charles Bailey John Ray Hardy | 9/1858 | MANCH |
+ | Potamogeton compressus | GB, VC38 Warwickshire, Coventry | Thomas Kirk | Charles Bailey John Harbord Lewis | 6/1860 | MANCH |
+ | Potamogeton compressus | GB, VC38 Warwickshire, Warwick,Stoke Heath | Thomas Kirk | Charles Bailey John Harbord Lewis | | MANCH |
+ | Potamogeton friesii | GB, VC38 Warwickshire, Warwick,Stoke Heath | Thomas Kirk | Charles Bailey | 7/1856 | MANCH |
| Potamogeton lucens | GB, VC38 Warwickshire, Sowe Waste, Coventry | Thomas Kirk | Charles Bailey John Harbord Lewis | 8/1858 | MANCH |
| Potamogeton natans x gramineus = P. x sparganiifolius | IE, VCH16,VCH17, Lough Corrib | Thomas Kirk | Botanical Exchange Club of the Thirsk Natural History Society Charles Bailey John Ray Hardy | 9/1858 | MANCH |
| Potamogeton natans x gramineus = P. x sparganiifolius | IE, VCH16,VCH17, Lough Corrib | Thomas Kirk | Charles Bailey | 7/9/1853 | MANCH |
| Potamogeton natans x gramineus = P. x sparganiifolius | IE, VCH16,VCH17, Lough Corrib | Thomas Kirk | | 7/9/1853 | MANCH |
| Potamogeton obtusifolius | GB, VC38 Warwickshire, Arbury Hall | Thomas Kirk | | 7/1854 | MANCH |
| Potamogeton obtusifolius | GB, VC38 Warwickshire, Kenilworth | Thomas Kirk | Charles Bailey | | MANCH |
| Potamogeton obtusifolius | GB, VC38 Warwickshire, Sowe Waste, Coventry | Thomas Kirk | Charles Bailey | 8/1858 | MANCH |
| Potamogeton pectinatus | GB, VC38 Warwickshire, Stoke Heath | Thomas Kirk | Charles Bailey William Lowndes Notcutt | 5/1854 to 7/1854 | MANCH |
| Potamogeton polygonifolius | IE, Galway, Shanagranagh | Thomas Kirk | Charles Bailey John Harbord Lewis | 9/1853 | MANCH |
| Salix viminalis x cinerea = S. x holosericea | GB, VC38 Warwickshire, Pinley | Thomas Kirk | Charles Bailey | 4/1854 to 9/1854 | MANCH |
| Salix viminalis x cinerea = S. x holosericea | GB, VC38 Warwickshire, Wyken | Thomas Kirk | Charles Bailey William Lowndes Notcutt | 4/1854 9/1854 | MANCH |