| Potamogeton coloratus x berchtoldii = P. x lanceolatus | IE, VCH17 North-east Galway, Tuam | Robert Lloyd Praeger | Robert Lloyd Praeger | 6/1899 | DBC |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | IE, VCH9 Co. Clare, Formoyle | Clara Winsome Muirhead | | 24/5/1965 | E |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | IE, VCH9 Co. Clare, Cahir River | Patrick Bernard O'Kelly | Botanical Exchange Club of The British Isles Spencer Henry Bickham | 11/6/1909 | MANCH |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | IE, VCH9 Co. Clare, Cahir River | Olga Margaret Stewart | | 5/6/1989 | E |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | IE, VCH9 Co. Clare, Cahir River | Patrick Bernard O'Kelly | Dublin Museum Harry Corbyn Levinge Harold Stuart Thompson | 12/7/1894 | BIRM |
+ | Potamogeton coloratus x berchtoldii = P. x lanceolatus | IE, VCH9 Co. Clare, Caher River at Black Head | Patrick Bernard O'Kelly | | 12/7/1894 | BIRM |
+ | Potamogeton coloratus x berchtoldii = P. x lanceolatus | IE, VCH9 Co. Clare, Caher River at Black Head | Thomas Jackson Foggitt | | 8/7/1925 | BIRM |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | IE, VCH9 Co. Clare, Caher River | George Taylor | The British Museum | 31/8/1952 | E |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | IE, VCH9 Co. Clare, Caher River | George Claridge Druce | George Claridge Druce | 8/1928 | E |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | IE, VCH9 Co. Clare, Caher River | Douglas Mackay Henderson | | 7/7/1958 | E |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | IE, VCH9 Co. Clare, Caher River | Job Edward Lousley | Job Edward Lousley | 13/6/1937 | SLBI |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | IE, VCH9 Co. Clare, Caher River | | John Norton Mills | 12/8/1953 | MANCH |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | IE, VCH9 Co. Clare, Caher River | Patrick Bernard O' Kelly | Watson Botanical Exchange Club Alexander Somerville David Thomson Playfair | 6/1899 | E |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | IE, VCH9 Co. Clare, Caher River | William Arthur Sledge | Robert MacKechnie | 10/8/1935 | E |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | IE, VCH9 Co. Clare, Caher River | Alfred James Wilmott | | 18/6/1925 | E |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | IE, VCH9 Co. Clare, Caher River | Edward Charles Wallace | Robert MacKechnie | 22/7/1953 | E |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | IE, VCH9 Co. Clare, Caher | George Claridge Druce | George Claridge Druce | 9/1921 | E |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | IE, VCH9 Co. Clare, Black Head | Thomas Jackson Foggitt | Douglas Montague Heath | 8/7/1925 | BIRM |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | IE, VCH9 Co. Clare, Black Head | Edward Charles Wallace | Robert MacKechnie | 22/9/1953 | E |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | IE, VCH9 Co. Clare, Ballyvaghan | Patrick Bernard O'Kelly | Watson Botanical Exchange Club Alexander Somerville Charles Waterfall David Thomson Playfair | 6/1899 | E |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | IE, VCH9 Co. Clare | Basil Walston Ribbons Robert MacKechnie | Robert MacKechnie | 22/7/1953 | E |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC72 Dumfriesshire, Dumfries | | James Cruickshank | 11/7/1835 | BON |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC52 Anglesey, Ros Lligwy | Charles Bailey | Botanical Exchange Club of The British Isles Augustin Ley | 23/9/1881 | BIRM |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC52 Anglesey, River Lligwy | Frederick Morgan Webb | Frederick Morgan Webb | 9/1866 | MANCH |
+ | Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC52 Anglesey, Rhos Lligwy | Charles Cardale Babington | | 31/8/1880 | BIRM |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC52 Anglesey, Rhos Lligwy | Charles Bailey | Charles Bailey | 1/9/1875 | MANCH |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC52 Anglesey, Rhos Lligwy | Charles Bailey | Charles Bailey | 23/9/1881 | MANCH |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC52 Anglesey, Rhos Lligwy | Charles Bailey | Charles Bailey | 1/9/1875 | MANCH |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC52 Anglesey, Rhos Lligwy | Charles Bailey | Charles Bailey | 1/9/1875 | MANCH |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC52 Anglesey, Rhos Lligwy | Charles Bailey | Charles Bailey | 23/9/1881 | MANCH |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC52 Anglesey, Rhos Lligwy | Charles Bailey | Charles Bailey | 23/9/1881 | MANCH |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC52 Anglesey, Rhos Lligwy | Charles Bailey | Charles Bailey | 1/9/1875 | MANCH |
+ | Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC52 Anglesey, Rhos Lligwy | Charles Bailey | Charles Bailey | 1/9/1875 | MANCH |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC52 Anglesey, Rhos Lligwy | Charles Bailey | Botanical Exchange Club of The British Isles Charles Bailey | 23/9/1881 | ABS |
+ | Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC52 Anglesey, Rhos Lligwy | Charles Bailey | | 1/9/1875 | BIRM |
+ | Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC52 Anglesey, Rhos Lligwy | Charles Bailey | | 23/9/1881 | BIRM |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC52 Anglesey, Rhos Lligwy | Charles Bailey | Charles Bailey | 1/9/1875 | ABS |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC52 Anglesey, Rhos Lligwy | Charles Bailey | Charles Bailey | 23/9/1881 | BIRM |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC52 Anglesey, Rhos Lligwy | Charles Bailey | Charles Bailey | 1/9/1875 | BON |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC52 Anglesey, Rhos Lligwy | Charles Bailey | George Stephen West | 1/9/1875 | BIRM |