+ | Callitriche hermaphroditica | GB, VC89 East Perthshire, Loch of Clunie | | | 9/8/1881 | PTH |
| Callitriche autumnalis | GB, VC111 Orkney, Stromness | | | 14/10/1913 | K |
| Callitriche autumnalis | GB, VC89 East Perthshire, Loch of Clunie | George Arnott Walker Arnott | Botanical Society of Edinburgh Richard Chandler Alexander Prior | 9/1829 | K |
| Callitriche autumnalis | GB, VC89 East Perthshire, Marlee Loch | J.G | | 15/7/1884 | SLBI |
| Callitriche hermaphroditica | GB, VC58 Cheshire, Holford | John Byrne Leicester Warren | London Botanical Exchange Club Charles Bailey | 8/1870 | MANCH |
| Callitriche hermaphroditica | GB, VC16 West Kent, Darenth | St John Marriott | Watson Botanical Exchange Club Isaac A Helsby | 7/1924 | 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, VC60 West Lancashire, Preston | F C King | Charles Bailey | 8/1883 | MANCH |
| Callitriche autumnalis | GB, VC74 Wigtownshire, Stranraer | Charles Bailey | George Stephen West | 27/9/1883 | BIRM |
| Callitriche autumnalis | GB, VC106 East Ross & Cromarty, Loch Kinellan | Charles Bailey | George Stephen West | 28/7/1890 | BIRM |
| Callitriche hermaphroditica | IE, VCH16,VCH26, Cong | Charles Bailey | Botanical Exchange Club of The British Isles Charles Bailey William Hunt Painter | 2/10/1885 | ABS |
| Callitriche autumnalis | IE, VCH16,VCH26, Cong | Charles Bailey | Charles Bailey George Stephen West | 2/10/1885 | BIRM |
| Callitriche hermaphroditica | IE, VCH26 East Mayo, Cong | Charles Bailey | William Hadden Beeby | 2/10/1885 | SLBI |
| Callitriche hermaphroditica | GB, VC58 Cheshire, Rostherne Mere | Henry (Harry) Searle | William Hadden Beeby Arthur Bennett | 7/1885 | SLBI |
| Callitriche hermaphroditica | GB, VC89 East Perthshire, Marlee Loch | James Groves | Robert Kidston William Hadden Beeby | 15/7/1884 | SLBI |
| Callitriche autumnalis | GB, VC112 Shetland, Unst | William Hadden Beeby | | 1/9/1887 | K |
| Callitriche hermaphroditica | GB, VC85 Fifeshire, Kilconquhar Cultivated | G West | Arthur Bennett | 1909 | SLBI |
| Callitriche autumnalis | GB, VC85 Fifeshire, Kilconquhar Loch | George Stephen West | Arthur Bennett | 20/9/1909 | K |
| Callitriche hermaphroditica | GB, VC85 Fifeshire, Loch Fitty | George Stephen West | Allan Octavian Hume Arthur Bennett | 9/1909 | 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 autumnalis | GB, VC80 Roxburghshire, Yetholm Loch | Andrew Brotherston | George Stephen West | 6/1875 | BIRM |
| Callitriche autumnalis | GB, VC80 Roxburghshire, Yetholm Loch | Andrew Brotherston | William Booth Waterfall | 6/1875 | K |
| Callitriche autumnalis | GB, VC80 Roxburghshire, Yetholm Loch | Andrew Brotherston | | 7/1877 | K |
| Callitriche autumnalis | GB, VC89 East Perthshire, Marlee Loch | McTaggert Cowan | Botanical Exchange Club of The British Isles McTaggert Cowan | | K |
| Callitriche autumnalis | GB, VC109 Caithness | Robert Dick | William Lowndes Notcutt | 1837 | K |
| Callitriche hermaphroditica | GB, VC92 South Aberdeenshire, Loch Callater | George Claridge Druce | William Hunt Painter | 7/1883 | ABS |
| Callitriche autumnalis | GB, VC112 Shetland, Spiggie | George Claridge Druce | Botanical Society & Exchange Club of The British Isles Charles Edward Britton | 7/1924 | K |
| Callitriche autumnalis | GB, VC89 East Perthshire, Loch Clunie [Cluny] | Henry Maurice Drummond-Hay | William Booth Waterfall | 2/9/1876 | K |
| Callitriche autumnalis | GB, VC89 East Perthshire, Loch Clunie [Cluny] | Henry Maurice Drummond-Hay | | 2/9/1877 | K |
+ | Callitriche hermaphroditica | GB, VC89 East Perthshire, Loch of Clunie | Henry Maurice Drummond-Hay | | 16/9/1876 | PTH |
| Callitriche autumnalis | GB, VC89 East Perthshire, Loch of Clunie | Henry Maurice Drummond-Hay | | 8/1878 | K |
+ | Callitriche hermaphroditica | GB, VC89 East Perthshire, Loch of the Lowes | Henry Maurice Drummond-Hay | | 16/9/1876 | PTH |
| Callitriche hermaphroditica | GB, VC90 Angus, Rescobie Loch | William Gardiner | Croydon Natural History and Scientific Society Henry Franklin Parsons | 8/1843 | SLBI |
| Callitriche autumnalis | GB, VC11 South Hampshire, Romsey | Douglas Montague Heath | Douglas Montague Heath | 4/9/1925 | BIRM |
| Callitriche hermaphroditica | GB, VC49 Caernarvonshire, Llyn Padarn | | Douglas Montague Heath | 7/7/1921 | BIRM |
| Callitriche hermaphroditica | GB, VC58 Cheshire, Rostherne Mere | W Horton-Smith | | 23/8/1916 | MANCH |