| Elodea canadensis | GB, VC32 Northamptonshire, Watford | Thomas Kirk | | 1849 | E |
| Elodea canadensis | GB, VC32 Northamptonshire, Watford Locks | Thomas Kirk | John Ball | 11/1848 | E |
| Elodea canadensis | GB, VC32 Northamptonshire, Watford Locks | Thomas Kirk | | 11/8/1849 | E |
| Carex paniculata | GB, VC38 Warwickshire, Binley | | Patrick Neill Fraser Thomas Kirk | 7/1858 | E |
| Carex muricata | GB, VC38 Warwickshire, Brandon | | Patrick Neill Fraser Thomas Kirk | 9/1839 | E |
| Carex muricata | GB, VC38 Warwickshire, Finham | Thomas Kirk | Patrick Neill Fraser Thomas Kirk | | E |
| Elodea canadensis | GB, VC38 Warwickshire, Sowe Waste, Coventry | Thomas Kirk | | | E |
| Carex pseudocyperus | GB, VC38 Warwickshire, Stoke Aldmoor | Patrick Neill Fraser | Thomas Kirk | 8/1859 | E |
| Carex rostrata | GB, VC38 Warwickshire, Whitmore Park | Thomas Kirk | Fleming Society John Sadler | 7/1855 | E |
| 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 |
| Carex strigosa | GB, VC58 Cheshire, Cotterill Clough | George Edward Hunt | Patrick Neill Fraser Thomas Kirk | 7/1857 | E |
| Carex diandra | GB, VC58 Cheshire, Seaman's Moss | G E Horne | Patrick Neill Fraser Thomas Kirk | | E |
| Scheuchzeria palustris | GB, VC62 North-east Yorkshire, Thirsk | | Thomas Kirk | | E |
| Carex appropinquata | GB, VC64 Mid-west Yorkshire, Askham Bog | Patrick Neill Fraser | Thomas Kirk | | E |
| Carex lasiocarpa | GB, VC67 South Northumberland, Barron House Bog | | Patrick Neill Fraser Thomas Kirk | 6/1853 | E |
| Potamogeton gramineus | IE, VCH16,VCH17, Lough Corrib IE, VCH18 Offaly, Oughter | | Thomas Kirk | 8/1858 | E |
| Potamogeton natans x gramineus = P. x sparganiifolius | IE, VCH16,VCH17, Lough Corrib | Thomas Kirk | | 7/9/1853 | 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, 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 natans x gramineus = P. x sparganiifolius | IE, VCH16 West Galway, Maam | | Thomas Kirk | 9/1838 | E |
| Salix fragilis x triandra = S. x alopecuroides | GB, VC38 Warwickshire, Quinton Pool | Thomas Kirk | IRGMA | 4/1849 10/1852 | LIV |
| Salix viminalis x caprea = S. x smithiana | GB, VC38 Warwickshire, Wyken | Thomas Kirk | IRGMA | 25/4/1853 19/9/1853 | LIV |
+ | Potamogeton acutifolius | GB, VC27 East Norfolk, nr Norwich,Heigham | Thomas Kirk | Charles Bailey John Harbord Lewis | 4/9/1857 | 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 |
+ | Campanula rapunculus | GB, VC38 Warwickshire, Arbury Hall | Thomas Kirk | Charles Bailey | 7/1854 | MANCH |
| Potamogeton obtusifolius | GB, VC38 Warwickshire, Arbury Hall | Thomas Kirk | | 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 |
| Epipactis helleborine | GB, VC38 Warwickshire, Coventry | Thomas Kirk | Charles Bailey | 6/1856 | MANCH |
+ | Potamogeton compressus | GB, VC38 Warwickshire, Coventry | Thomas Kirk | Charles Bailey John Harbord Lewis | 6/1860 | MANCH |
+ | Platanthera chlorantha | GB, VC38 Warwickshire, Fillongley | Thomas Kirk | Charles Bailey | 7/1854 | MANCH |
| Epipactis helleborine | GB, VC38 Warwickshire, Kenilworth | Thomas Kirk | Charles Bailey | | MANCH |
| Potamogeton obtusifolius | GB, VC38 Warwickshire, Kenilworth | Thomas Kirk | Charles Bailey | | MANCH |
| Salix viminalis x cinerea = S. x holosericea | GB, VC38 Warwickshire, Pinley | Thomas Kirk | Charles Bailey | 4/1854 to 9/1854 | MANCH |
| 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 |
| Potamogeton pectinatus | GB, VC38 Warwickshire, Stoke Heath | Thomas Kirk | Charles Bailey William Lowndes Notcutt | 5/1854 to 7/1854 | MANCH |