| Callitriche hermaphroditica | GB, VC16 West Kent, Darenth | St John Marriott | Watson Botanical Exchange Club Isaac A Helsby | 7/1924 | SLBI |
| Callitriche hermaphroditica | GB, VC17 Surrey, Barnes Common | William Robert Sherrin | | 7/1898 | SLBI |
| Callitriche hermaphroditica | GB, VC17 Surrey, Wotton | William Robert Sherrin | | 7/1925 | SLBI |
| Callitriche hermaphroditica | GB, VC49 Caernarvonshire, Llyn Padarn | | Douglas Montague Heath | 7/7/1921 | BIRM |
| Callitriche hermaphroditica | GB, VC52 Anglesey | William Wilson | | 7/1825 | K |
| Callitriche hermaphroditica | GB, VC52 Anglesey, Llanfaelog | John P Savidge | | 2/1/1956 | ABS |
| Callitriche hermaphroditica | GB, VC52 Anglesey, Valley | Reginald William Phillips | Albert Bruce Jackson | 9/1892 | K |
| Callitriche hermaphroditica | GB, VC58 Cheshire, Halford | J L Warren | | 8/1870 | MANCH |
| Callitriche hermaphroditica | GB, VC58 Cheshire, Holford | John Byrne Leicester Warren | London Botanical Exchange Club Charles Bailey | 8/1870 | MANCH |
| Callitriche hermaphroditica | GB, VC58 Cheshire, Knutsford | J L Warren | Charles Bailey J L Warren | 8/1870 | MANCH |
| Callitriche hermaphroditica | GB, VC58 Cheshire, Knutsford | J L Warren | William Hadden Beeby | 8/1870 | SLBI |
| Callitriche hermaphroditica | GB, VC58 Cheshire, Rostherne Mere | Henry (Harry) Searle | Manchester Museum Charles Bailey | 8/1885 | MANCH |
| Callitriche hermaphroditica | GB, VC58 Cheshire, Rostherne Mere | Henry (Harry) Searle | Charles Bailey | 11/8/1885 | MANCH |
| Callitriche hermaphroditica | GB, VC58 Cheshire, Rostherne Mere | Charles Bailey | Charles Bailey | 13/8/1892 | MANCH |
| Callitriche hermaphroditica | GB, VC58 Cheshire, Rostherne Mere | Charles Bailey | Charles Bailey | 13/8/1892 | MANCH |
| Callitriche hermaphroditica | GB, VC58 Cheshire, Rostherne Mere | Charles Bailey | Charles Bailey | 13/8/1892 | MANCH |
| Callitriche hermaphroditica | GB, VC58 Cheshire, Rostherne Mere | Henry (Harry) Searle | William Hadden Beeby Arthur Bennett | 7/1885 | SLBI |
| Callitriche hermaphroditica | GB, VC58 Cheshire, Rostherne Mere | W Horton-Smith | | 23/8/1916 | MANCH |
| Callitriche hermaphroditica | GB, VC60 West Lancashire, Preston | F C King | Charles Bailey | 8/1883 | MANCH |
| Callitriche hermaphroditica | GB, VC60 West Lancashire, Thurnham | John P Savidge | | 19/9/1956 | ABS |
| Callitriche hermaphroditica | GB, Lancashire, Lytham | | Moon | 1883 | MANCH |
| Callitriche hermaphroditica | GB, Lancashire, Thurnham | John P Savidge | John P Savidge | 11/9/1956 | ABS |
| Callitriche hermaphroditica | GB, VC70 Cumberland, Keswick | Joseph Woods | Allan Octavian Hume Frederick Townsend | 26/7/1835 | SLBI |
| Callitriche hermaphroditica | GB, VC82 East Lothian, Dunbar | McTaggert Cowan | London Natural History Society Watson Botanical Exchange Club Edmund Browne Bishop McTaggert Cowan | 7/1911 | SLBI |
| Callitriche hermaphroditica | GB, VC85 Fifeshire, Kilconquhar Cultivated | G West | Arthur Bennett | 1909 | SLBI |
| Callitriche hermaphroditica | GB, VC85 Fifeshire, Loch Fitty | George Stephen West | Allan Octavian Hume Arthur Bennett | 9/1909 | SLBI |
| Callitriche hermaphroditica | GB, VC86 Stirlingshire, Falkirk | James Groves John Stirling Stirling Robert Kidston | | 24/8/1891 | SLBI |
+ | Callitriche hermaphroditica | GB, VC87 West Perthshire, Lake of Menteith | Robert Kidston | | 26/8/1884 | PTH |
+ | Callitriche hermaphroditica | GB, VC87 West Perthshire, Watston Loch | Robert Kidston | | 16/7/1884 | PTH |
+ | Callitriche hermaphroditica | GB, VC88 Mid Perthshire, Kings Myre | Francis Buchanan White | | 19/8/1885 | PTH |
+ | Callitriche hermaphroditica | GB, VC88 Mid Perthshire, Kirkton | Francis Buchanan White | | 25/9/1886 | PTH |
+ | Callitriche hermaphroditica | GB, VC88 Mid Perthshire, Kirkton | Francis Buchanan White | | 25/9/1886 | PTH |
+ | Callitriche hermaphroditica | GB, VC88 Mid Perthshire, Loch Monzievaird | Abram Sturrock | | 15/8/1884 | PTH |
+ | Callitriche hermaphroditica | GB, VC88 Mid Perthshire, Loch of Balloch | Abram Sturrock | | 21/8/1884 | PTH |
+ | Callitriche hermaphroditica | GB, VC88 Mid Perthshire, Loch of Balloch | Francis Buchanan White | | 29/8/1889 | PTH |
+ | Callitriche hermaphroditica | GB, VC88 Mid Perthshire, Ochtertyre | Francis Buchanan White | | 15/8/1884 | PTH |
+ | Callitriche hermaphroditica | GB, VC88 Mid Perthshire, Pond of Drummond | Abram Sturrock | | 21/8/1884 | PTH |
+ | Callitriche hermaphroditica | GB, VC88 Mid Perthshire, White Moss | Robert Hunt Meldrum | | 19/8/1886 | PTH |
+ | Callitriche hermaphroditica | GB, VC88 Mid Perthshire, White Moss Loch | Francis Buchanan White | | 15/9/1883 | PTH |
+ | Callitriche hermaphroditica | GB, VC89 East Perthshire, Fingask Loch | Abram Sturrock | | 2/9/1882 | PTH |