| Sanguisorba minor subsp. muricata | GB, VC38 Warwickshire, Kenilworth | John Gilbert Baker Thomas Kirk | George Stephen West | 7/1850 | BIRM |
| Sanguisorba minor subsp. muricata | GB, VC38 Warwickshire, Kenilworth | | George Stephen West Thomas Kirk | 7/1850 | BIRM |
| Potamogeton pectinatus | GB, VC38 Warwickshire, Stoke Heath | John Gilbert Baker Thomas Kirk | George Stephen West | 5/1852 | BIRM |
| Salix viminalis x caprea = S. x smithiana | GB, VC38 Warwickshire, Wyken | Thomas Kirk | IRGMA | 25/4/1853 19/9/1853 | LIV |
| Lamium | GB, VC38 Warwickshire, Allesley | John Gilbert Baker Thomas Kirk | George Stephen West | 5/1853 | BIRM |
| Salix pentandra x fragilis = S. x meyeriana | GB, VC40 Shropshire, Shrewsbury Cultivated | Thomas Kirk | Augustin Ley | 6/1853 to 10/1853 | BIRM |
| Carex lasiocarpa | GB, VC67 South Northumberland, Barron House Bog | | Patrick Neill Fraser Thomas Kirk | 6/1853 | E |
| Sanguisorba minor subsp. muricata | GB, VC38 Warwickshire, Kenilworth | Thomas Kirk | George Stephen West | 26/6/1853 | 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 |
| Potamogeton filiformis | GB, Ambiguous locality (GB), Longford | Thomas Kirk | | 16/8/1853 | SLBI |
| Potamogeton polygonifolius | IE, Galway, Shanagranagh | Thomas Kirk | Charles Bailey John Harbord Lewis | 9/1853 | MANCH |
| Camelina sativa | IE, VCH16,VCH17, Galway | Thomas Kirk | Augustin Ley | 5/9/1853 | BIRM |
| 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 | E |
| Potamogeton natans x gramineus = P. x sparganiifolius | IE, VCH16,VCH17, Lough Corrib | Thomas Kirk | | 7/9/1853 | MANCH |
| 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 |
| Salix fragilis x alba = S. x rubens | GB, VC38 Warwickshire, Brandon | Thomas Kirk | Donor Unknown | 4/1854 to 9/1854 | BIRM |
| Salix cinerea subsp. oleifolia | GB, VC38 Warwickshire, Brownshill Green | Thomas Kirk | Donor Unknown | 4/1854 9/1854 | BIRM |
| Salix alba | GB, VC38 Warwickshire, Coventry | Thomas Kirk | Donor Unknown | 4/1854 9/1854 | BIRM |
| Salix viminalis x cinerea = S. x holosericea | GB, VC38 Warwickshire, Pinley | Thomas Kirk | Charles Bailey | 4/1854 to 9/1854 | MANCH |
| 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 |
| Salix viminalis x cinerea = S. x holosericea | GB, VC38 Warwickshire, Wyken | Thomas Kirk | Charles Bailey William Lowndes Notcutt | 4/1854 9/1854 | MANCH |
| Potamogeton pectinatus | GB, VC38 Warwickshire, Stoke Heath | Thomas Kirk | Charles Bailey William Lowndes Notcutt | 5/1854 to 7/1854 | MANCH |
| Carex flacca | GB, VC38 Warwickshire, Wyken | Thomas Kirk | Charles Ottley Groom | 31/5/1854 to 7/1855 | BON |
| Sparganium natans | GB, VC37 Worcestershire, Asbury Hall | Thomas Kirk | Charles Ottley Groom | 7/1854 | BON |
+ | 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 |
| 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 |
+ | Valerianella dentata | GB, VC38 Warwickshire, Warwick | Thomas Kirk | Charles Bailey William Lowndes Notcutt | 8/1854 | MANCH |
| Epipactis helleborine | GB, VC38 Warwickshire, Weston under Wetherley | Thomas Kirk | Charles Bailey William Lowndes Notcutt | 8/1854 | MANCH |
| Populus alba x tremula = P. x canescens | GB, VC38 Warwickshire, Coventry | Thomas Kirk | Donor Unknown | 5/1855 to 10/1855 | BIRM |
| Carex rostrata | GB, VC38 Warwickshire, Whitmore Park | Thomas Kirk | Fleming Society John Sadler | 7/1855 | E |
+ | Epilobium obscurum | GB, VC38 Warwickshire, Griff | Thomas Kirk | John Hutton Balfour | 9/1855 | PTH |
| Epipactis helleborine | GB, VC38 Warwickshire, Coventry | Thomas Kirk | Charles Bailey | 6/1856 | MANCH |
+ | Potamogeton friesii | GB, VC38 Warwickshire, Warwick,Stoke Heath | Thomas Kirk | Charles Bailey | 7/1856 | MANCH |