| Zostera marina | GB, VC3 South Devon, Teignmouth | Charles James Rufus Jordan | Robert Coane Roberts Jordan | 1849 | BIRM |
| Wahlenbergia hederacea | GB, VC3 South Devon, Haldon | Charles James Rufus Jordan | Robert Coane Roberts Jordan | 1849 | BIRM |
| Vulpia unilateralis | GB, VC38 Warwickshire, Moseley | Robert Coane Roberts Jordan | Robert Coane Roberts Jordan | 25/5/1852 | BIRM |
| Viola tricolor | GB, VC38 Warwickshire, Birmingham | | Robert Coane Roberts Jordan | 8/1875 | BIRM |
| Viola riviniana | GB, VC37,VC38,VC39, Harborne | Emily Francis Jordan | Robert Coane Roberts Jordan | 5/1875 | BIRM |
| Viola palustris | GB, VC3 South Devon, Haldon | Charles James Rufus Jordan | Robert Coane Roberts Jordan | 4/5/1849 | BIRM |
| Viola lutea | GB, VC57 Derbyshire, Matlock | Robert Coane Roberts Jordan | Robert Coane Roberts Jordan | 18/6/1853 to 20/6/1853 | BIRM |
| Vinca minor | GB, VC3 South Devon, Teignmouth, Holcombe | Charles James Rufus Jordan | Robert Coane Roberts Jordan | 30/1/1849 | BIRM |
| Veronica scutellata | GB, VC38 Warwickshire, Sutton Park | Robert Coane Roberts Jordan | Robert Coane Roberts Jordan | 30/6/1862 | BIRM |
| Veronica polita | GB, VC3 South Devon, Lympstone | Robert Coane Roberts Jordan | Robert Coane Roberts Jordan | 22/7/1846 | BIRM |
| Veronica arvensis | GB, VC39,VC38, Harborne, Ravenhurst | Robert Coane Roberts Jordan | Robert Coane Roberts Jordan | 10/1875 | BIRM |
| Verbena officinalis | GB, VC3 South Devon, Lympstone | Robert Coane Roberts Jordan | Robert Coane Roberts Jordan | 21/7/1846 | BIRM |
| Valerianella olitoria | GB, VC38,VC39, Perry Barr | Robert Coane Roberts Jordan | Robert Coane Roberts Jordan | 1852 | BIRM |
| Valeriana dioica | GB, VC38 Warwickshire, Birmingham | Robert Coane Roberts Jordan | | | BIRM |
| Vaccinium vitis-idaea | GB, VC38 Warwickshire, Sutton Park | Robert Coane Roberts Jordan | Robert Coane Roberts Jordan | 30/6/1852 | BIRM |
| Vaccinium | CH, Valais | Robert Coane Roberts Jordan | | 6/1872 | BIRM |
| Umbilicus rupestris | GB, VC3 South Devon, Teignmouth | Robert Coane Roberts Jordan | Robert Coane Roberts Jordan | | BIRM |
| Ulmus glabra x minor x plotii = U. x hollandica | GB, VC40 Shropshire, Wrekin | Robert Coane Roberts Jordan | Robert Coane Roberts Jordan | 4/6/1853 | BIRM |
| Ulex minor | GB, VC37 Worcestershire, Warley | Robert Coane Roberts Jordan | Robert Coane Roberts Jordan | 9/1875 | BIRM |
| Ulex gallii | GB, VC3 South Devon, Haldon | Robert Coane Roberts Jordan | Robert Coane Roberts Jordan | 8/1849 | BIRM |
| Ulex europaeus | GB, VC37 Worcestershire, Lickey | Robert Coane Roberts Jordan | Robert Coane Roberts Jordan | 5/1875 | BIRM |
| Typha latifolia | GB, VC3 South Devon, Woodbury Common | Robert Coane Roberts Jordan | Robert Coane Roberts Jordan | 24/7/1846 | BIRM |
| Tussilago farfara | GB, VC3 South Devon, Teignmouth | Robert Coane Roberts Jordan | Robert Coane Roberts Jordan | 3/1849 | BIRM |
| Tripleurospermum maritimum | GB, VC39,VC38, Harborne, Ravenhurst | Robert Coane Roberts Jordan | Robert Coane Roberts Jordan | 6/1875 10/1875 | BIRM |
| Tripleurospermum maritimum | GB, VC56 Nottinghamshire, Mansfield | Robert Coane Roberts Jordan | Robert Coane Roberts Jordan | 10/1875 | BIRM |
| Tripleurospermum inodorum | GB, VC3 South Devon, Broadmeadow, Teignmouth | | Robert Coane Roberts Jordan | 1849 | BIRM |
| Tripleurospermum inodorum | GB, VC39 Staffordshire, Harborne | Robert Coane Roberts Jordan | Robert Coane Roberts Jordan | 1852 | BIRM |
| Trientalis europaea | GB, VC88 Mid Perthshire, Rumbling Bridge | William Mathews | Robert Coane Roberts Jordan | 14/7/1877 | BIRM |
| Tragopogon pratensis | GB, VC3 South Devon, Lympstone | Robert Coane Roberts Jordan | Robert Coane Roberts Jordan | 7/1846 | BIRM |
| Torilis nodosa | GB, VC3 South Devon, Bishopsteignton | Charles James Rufus Jordan | Robert Coane Roberts Jordan | 5/1849 | BIRM |
| Torilis nodosa | GB, VC3 South Devon, Lympstone | Robert Coane Roberts Jordan | Robert Coane Roberts Jordan | 6/1845 | BIRM |
| Tilia cordata | GB, VC3 South Devon, Lympstone | Robert Coane Roberts Jordan | Robert Coane Roberts Jordan | 11/7/1846 | BIRM |
| Tilia cordata | GB, VC3 South Devon, Lympstone | Robert Coane Roberts Jordan | Robert Coane Roberts Jordan | 31/7/1846 | BIRM |
| Thymus chamaedrys | GB, VC3 South Devon, Haldon | Charles James Rufus Jordan | Robert Coane Roberts Jordan | 8/1847 | BIRM |
| Thlaspi caerulescens | GB, VC57 Derbyshire, Matlock | Robert Coane Roberts Jordan | Robert Coane Roberts Jordan | 19/6/1853 | BIRM |
| Thalictrum | GB, VC85 Fifeshire, Firth of Forth | Robert Coane Roberts Jordan | | | BIRM |
| Teucrium scorodonia | GB, VC3 South Devon, Teignmouth, Holcombe | Charles James Rufus Jordan | Robert Coane Roberts Jordan | 8/1850 | BIRM |
| Teucrium chamaedrys | GB, VC6 North Somerset, Tickenham | Francis Bond | Robert Coane Roberts Jordan | | BIRM |
| Taxus baccata | GB, VC50 Denbighshire, Llangollen,Castell Dinas Bran | Robert Coane Roberts Jordan | Robert Coane Roberts Jordan | | BIRM |
| Tamarix gallica | GB, VC25 East Suffolk, Pakefield | Emily Francis Jordan | Robert Coane Roberts Jordan | 9/1875 | BIRM |