| + | Potamogeton berchtoldii | GB, VC6 North Somerset, Beckington | | Croydon Natural History and Scientific Society
Dulwich College | 1868 | SLBI | 29/4/2015 |
| + | Elodea canadensis | GB, VC33 East Gloucestershire, Gloucester | H Brady | | 1865 | E | 21/5/2015 |
| + | Schoenoplectus lacustris | GB, VC17 Surrey, River Thames at Barnes | Henry Franklin Parsons | Croydon Natural History and Scientific Society
Henry Franklin Parsons | 1864 | SLBI | 6/6/2015 |
| + | Carex ovalis | GB, VC39 Staffordshire, Knightley Park | | Frederick Janson Hanbury | 6/1861 | BM | 7/5/2015 |
| + | Scrophularia nodosa | GB, VC76 Renfrewshire, Gourock | | | 30/6/1849 | E | 27/3/2015 |
| + | Triglochin maritima | GB, VC85 Fifeshire, Burntisland | | | 22/7/1848 | E | 27/4/2015 |
| + | Scrophularia umbrosa | GB, VC83 Midlothian, Cramond Bridge | Charles Murchison | Charles Murchison | 23/9/1847 | E | 24/3/2015 |
| + | Triglochin maritima | GB, VC13 West Sussex, Fishbourne | Joseph Woods | | 21/8/1847 | SLBI | 23/3/2015 |
| + | Scirpoides holoschoenus | GB, VC4 North Devon, Braunton Burrows | John Ralfs | | 9/1838 | SLBI | 2/6/2015 |
| + | Carex echinata | GB, VC32 Northamptonshire, Northamptonshire | John Thomas Irvine Boswell-Syme | John Thomas Irvine Boswell-Syme | 1838 | BM | 27/3/2015 |
| + | Scheuchzeria palustris | GB, VC40 Shropshire, Bomere Pool | Edwin Lees | | 1/9/1837 | E | 27/4/2015 |
| + | Eriophorum angustifolium | GB, VC14 East Sussex, Ashdown Forest | Joseph Woods | Frederick Townsend | 6/1833 | SLBI | 22/6/2015 |
| + | Asimina longifolia var. spatulata | USFL, Leon County | Robert Kral | | | FSU | 2/4/2015 |
| + | Helianthemum carolinianum | USFL, Wakulla County, Saint Marks National Wildlife Refuge (Wakulla Unit) | Loran C Anderson | | | FSU | 21/4/2015 |
| + | Momordica charantia | USFL, Palm Beach County, West Palm Beach | Tiffant Breauchy | | | FSU | 13/5/2015 |
| + | Mentha arvensis | GB, VC62 North-east Yorkshire, Riccal Dale | | | | K | 26/3/2015 |
| + | Scrophularia nodosa | GB, VC65 North-west Yorkshire, Richmond | | James Backhouse | | E | 27/3/2015 |
| + | Sagittaria sagittifolia | | | University of Glasgow
Robert Wight | | E | 21/4/2015 |
| + | Stratiotes aloides | | | George Arnott Walker Arnott
James Brodie | | E | 29/4/2015 |
| + | Potamogeton natans | GB, VC105 West Ross & Cromarty, Loch Loin | Douglas Mackay Henderson | | | E | 13/5/2015 |
| + | Potamogeton natans | GB, VC6 North Somerset, Beckington | Henry Franklin Parsons | The British Museum | | E | 14/5/2015 |
| + | Bolboschoenus maritimus | GB, VC17 Surrey, Battersea | John Ezra Woodhead | Job Edward Lousley | | SLBI | 2/6/2015 |
