| Callitriche autumnalis | GB, VC38 Warwickshire, Warwick | Robert Large Baker | George Stephen West Robert Large Baker | | BIRM |
| Callitriche autumnalis | GB, VC89 East Perthshire, Marlee Loch | McTaggert Cowan | Botanical Exchange Club of The British Isles McTaggert Cowan | | K |
| Callitriche hermaphroditica | | | Augustin Ley | | BIRM |
| Callitriche hermaphroditica | IE, VCH39 Co. Antrim, Antrim | William Mateer | Harold Stuart Thompson Thomas Clark | | BIRM |
| Callitriche hermaphroditica | GB, VC52 Anglesey | William Wilson | | 7/1825 | 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 hermaphroditica | GB, VC70 Cumberland, Keswick | Joseph Woods | Allan Octavian Hume Frederick Townsend | 26/7/1835 | SLBI |
| Callitriche autumnalis | GB, VC109 Caithness | Robert Dick | William Lowndes Notcutt | 1837 | K |
| Callitriche autumnalis | GB, Wales | Anna Russell | Shrewsbury Public Library Thomas Butler | 1837 | K |
| Callitriche autumnalis | GB, VC40 Shropshire, Sharpstones Hill | William Allport Leighton | George Lloyd | 8/1837 | K |
| Callitriche hermaphroditica | GB, VC90 Angus, Rescobie Loch | William Gardiner | Croydon Natural History and Scientific Society Henry Franklin Parsons | 8/1843 | SLBI |
| Callitriche autumnalis | GB, VC89 East Perthshire, Loch of Clunie | W McIvor | | 8/1847 | K |
| Callitriche hermaphroditica | Sundwalden | Robert Collett | | 4/9/1863 | SLBI |
| Callitriche autumnalis | GB, VC58 Cheshire, Holford | J L Warren | Augustin Ley | 8/1870 | BIRM |
| Callitriche autumnalis | GB, VC85 Fifeshire, Loch Leven | John Thomas Irvine Boswell-Syme | Augustin Ley | 8/1870 | BIRM |
| 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 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, VC89 East Perthshire, Loch Clunie [Cluny] | Henry Maurice Drummond-Hay | William Booth Waterfall | 2/9/1876 | K |
| Callitriche autumnalis | GB, VC80 Roxburghshire, Yetholm Loch | Andrew Brotherston | | 7/1877 | K |
| Callitriche autumnalis | GB, VC80 Roxburghshire, Yetholm Loch | Andrew Brotherston | Botanical Exchange Club of The British Isles Augustin Ley | 9/1877 | BIRM |
| Callitriche autumnalis | GB, VC89 East Perthshire, Loch Clunie [Cluny] | Henry Maurice Drummond-Hay | | 2/9/1877 | K |
| Callitriche autumnalis | GB, VC89 East Perthshire, Loch of Clunie | Henry Maurice Drummond-Hay | | 8/1878 | K |
| Callitriche autumnalis | GB, VC92 South Aberdeenshire, Loch of Park | Thomas Robertson Sim | George Stephen West | 9/1878 | BIRM |
| Callitriche hermaphroditica | GB, Lancashire, Lytham | | Moon | 1883 | MANCH |
| Callitriche hermaphroditica | GB, VC92 South Aberdeenshire, Loch Callater | George Claridge Druce | William Hunt Painter | 7/1883 | ABS |
| Callitriche hermaphroditica | GB, VC60 West Lancashire, Preston | F C King | Charles Bailey | 8/1883 | MANCH |
| Callitriche autumnalis | GB, VC102 South Ebudes, Islay House | Augustin Ley | Augustin Ley | 5/9/1883 | BIRM |
| Callitriche autumnalis | GB, VC74 Wigtownshire, Stranraer | Charles Bailey | George Stephen West | 27/9/1883 | BIRM |
| Callitriche autumnalis | GB, VC111 Orkney, Harray | Henry Halcro Johnston | | 13/11/1883 | K |
| Callitriche autumnalis | GB, VC89 East Perthshire, Marlee Loch | J.G | | 15/7/1884 | SLBI |
| Callitriche hermaphroditica | GB, VC89 East Perthshire, Marlee Loch | James Groves | Robert Kidston William Hadden Beeby | 15/7/1884 | SLBI |
| Callitriche hermaphroditica | GB, VC89 East Perthshire, Marlee Loch | Abram Sturrock James Groves | | 15/7/1884 | SLBI |
| Callitriche hermaphroditica | GB, VC58 Cheshire, Rostherne Mere | Henry (Harry) Searle | William Hadden Beeby Arthur Bennett | 7/1885 | SLBI |
| Callitriche autumnalis | GB, VC60 West Lancashire, Ashton on Ribble | F C King | Watson Botanical Exchange Club Harold Stuart Thompson | 8/1885 | BIRM |
| 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 |