+ | Thalictrum flavum | GB, VC38 Warwickshire, Warwickshire | John Gilbert Baker Thomas Kirk | | 1898 | BIRM |
+ | Campanula rapunculus | GB, VC39 Staffordshire | Thomas Kirk | Botanical Exchange Club Charles Bailey John (Joannis) Fraser | 7/1879 | MANCH |
+ | Lactuca saligna | GB, VC16 West Kent, Woolwich | Thomas Kirk | John Hutton Balfour | 1862 | PTH |
+ | Tilia platyphyllos | | Thomas Kirk | John Hutton Balfour | 1862 | PTH |
| Juncus compressus | GB, VC62 North-east Yorkshire, Clifton Ings | Thomas Kirk | George Stephen West | 1861 | BIRM |
+ | Silene gallica | GB, VC38 Warwickshire, Binley Common | Thomas Kirk | Charles Bailey John Harbord Lewis | 8/1860 | MANCH |
| Carex divulsa | GB, VC23 Oxfordshire, Cumnor | | Patrick Neill Fraser Thomas Kirk | 7/1860 | E |
| Narcissus poeticus | GB, VC38 Warwickshire, Fillongley | Thomas Kirk | John Harbord Lewis | 6/1860 | BIRM |
+ | Potamogeton compressus | GB, VC38 Warwickshire, Coventry | Thomas Kirk | Charles Bailey John Harbord Lewis | 6/1860 | MANCH |
| Carex pseudocyperus | GB, VC38 Warwickshire, Stoke Aldmoor | Patrick Neill Fraser | Thomas Kirk | 8/1859 | E |
+ | Equisetum hyemale x ramosissimum = E. x moorei | IE, VCH20 Co. Wicklow, Rockfield | Thomas Kirk | Hewett Cottrell Watson | 9/1858 | 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 coloratus x berchtoldii = P. x lanceolatus | GB, VC52 Anglesey, Bodafon | Thomas Kirk | Thirsk Natural History Society Mantua And Montferrat | 9/1858 | BON |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC52 Anglesey, Bodafon | | Thomas Kirk | 9/1858 | E |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC52 Anglesey, Lligwy | Thomas Kirk | | 9/1858 | E |
| 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 West Galway, Lough Corrib | | Thomas Kirk | 9/1858 | E |
| Potamogeton natans x gramineus = P. x sparganiifolius | IE, VCH16 West Galway, Lough Corrib | | Thomas Kirk | 9/1858 | E |
| Potamogeton natans x gramineus = P. x sparganiifolius | IE, VCH16 West Galway, Maam | | Thomas Kirk | 9/1858 | E |
| Potamogeton gramineus | IE, VCH16,VCH17, Lough Corrib IE, VCH18 Offaly, Oughter | | Thomas Kirk | 8/1858 | E |
| Potamogeton lucens | GB, VC38 Warwickshire, Sowe Waste, Coventry | Thomas Kirk | Charles Bailey John Harbord Lewis | 8/1858 | MANCH |
| Potamogeton obtusifolius | GB, VC38 Warwickshire, Sowe Waste, Coventry | Thomas Kirk | Charles Bailey | 8/1858 | MANCH |
| Carex paniculata | GB, VC38 Warwickshire, Binley | | Patrick Neill Fraser Thomas Kirk | 7/1858 | E |
| Chenopodium polyspermum | GB, VC38 Warwickshire, Coventry | Thomas Kirk | George Stephen West | 10/1857 | BIRM |
+ | Potamogeton acutifolius | GB, VC27 East Norfolk, nr Norwich,Heigham | Thomas Kirk | Charles Bailey John Harbord Lewis | 4/9/1857 | MANCH |
| Carex strigosa | GB, VC58 Cheshire, Cotterill Clough | George Edward Hunt | Patrick Neill Fraser Thomas Kirk | 7/1857 | E |
+ | Filago vulgaris | GB, VC38 Warwickshire | Thomas Kirk | Charles Bailey | 8/1856 | MANCH |
+ | Potamogeton friesii | GB, VC38 Warwickshire, Warwick,Stoke Heath | Thomas Kirk | Charles Bailey | 7/1856 | MANCH |
| Epipactis helleborine | GB, VC38 Warwickshire, Coventry | Thomas Kirk | Charles Bailey | 6/1856 | MANCH |
+ | Epilobium obscurum | GB, VC38 Warwickshire, Griff | Thomas Kirk | John Hutton Balfour | 9/1855 | PTH |
| Carex rostrata | GB, VC38 Warwickshire, Whitmore Park | Thomas Kirk | Fleming Society John Sadler | 7/1855 | E |
| Populus alba x tremula = P. x canescens | GB, VC38 Warwickshire, Coventry | Thomas Kirk | Donor Unknown | 5/1855 to 10/1855 | BIRM |
| Epipactis helleborine | GB, VC38 Warwickshire, Weston under Wetherley | Thomas Kirk | Charles Bailey William Lowndes Notcutt | 8/1854 | MANCH |
+ | Valerianella dentata | GB, VC38 Warwickshire, Warwick | Thomas Kirk | Charles Bailey William Lowndes Notcutt | 8/1854 | MANCH |
+ | Campanula rapunculus | GB, VC38 Warwickshire, Arbury Hall | Thomas Kirk | Charles Bailey | 7/1854 | MANCH |
| Hieracium umbellatum | GB, VC38 Warwickshire, Binley | Thomas Kirk | Frederick Townsend | 7/1854 | SLBI |
+ | Platanthera chlorantha | GB, VC38 Warwickshire, Fillongley | Thomas Kirk | Charles Bailey | 7/1854 | MANCH |
| Potamogeton obtusifolius | GB, VC38 Warwickshire, Arbury Hall | Thomas Kirk | | 7/1854 | MANCH |
| 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 |