| 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, Formoyle | Clara Winsome Muirhead | | 24/5/1965 | 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, Black Head | Edward Charles Wallace | Robert MacKechnie | 22/9/1953 | E |
| 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 | Basil Walston Ribbons Robert MacKechnie | Robert MacKechnie | 22/7/1953 | 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 River | George Taylor | The British Museum | 31/8/1952 | 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 | William Arthur Sledge | Robert MacKechnie | 10/8/1935 | 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, Black Head | Thomas Jackson Foggitt | Douglas Montague Heath | 8/7/1925 | 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 | Alfred James Wilmott | | 18/6/1925 | 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 | GB, VC52 Anglesey, Rhos Lligwy | John Edwards Griffith | | 8/1919 | BIRM |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC52 Anglesey, Lligwy | John Edwards Griffith | Watson Botanical Exchange Club | 8/1919 | MANCH |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC52 Anglesey, Lligwy | John Edwards Griffith | Watson Botanical Exchange Club Harold Stuart Thompson | 8/1919 | BIRM |
+ | Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC52 Anglesey, Rhos Lligwy | Norman Douglas Simpson | | 9/1910 | BIRM |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC52 Anglesey, Penrhos-Lligwy | Thomas Jackson Foggitt | Alfred Fryer Charles Bailey | 15/9/1910 | MANCH |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC52 Anglesey, Lligwy | Norman Douglas Simpson | Harold Stuart Thompson | 9/1910 | BIRM |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC52 Anglesey, Lligwy | Reginald Henry Goode | Watson Botanical Exchange Club Charles Bailey George Goode | 3/8/1910 | MANCH |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC52 Anglesey, Penrhos Lligwy | Reginald Henry Goode | | 3/8/1910 | BIRM |
+ | Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC52 Anglesey, Rhos Lligwy | Reginald Henry Goode | | 3/8/1910 | BIRM |
| 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 | GB, VC52 Anglesey, Lligwy | George Claridge Druce | | 7/1900 | ABS |
| 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, 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, 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, Caher River at Black Head | Patrick Bernard O'Kelly | | 12/7/1894 | BIRM |
| 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 | GB, VC52 Anglesey, Penrhos Lligwy | | Croydon Natural History and Scientific Society Henry Franklin Parsons | 24/9/1887 | SLBI |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC17 Surrey, Croydon Cultivated | Arthur Bennett | Arthur Bennett | 8/1882 | E |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC17 Surrey, Croydon Cultivated | Arthur Bennett | Augustin Ley | 1882 | BIRM |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC17 Surrey, Croydon Cultivated GB, VC29 Cambridgeshire, Burwell Fen | Arthur Bennett | Botanical Exchange Club of The British Isles Arthur Bennett Charles Bailey | 1882 | MANCH |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC17 Surrey, Croydon Cultivated GB, VC29 Cambridgeshire, Burwell Fen | Arthur Bennett | | 1882 | SLBI |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC17 Surrey, Croydon Cultivated GB, VC29 Cambridgeshire, Burwell Fen | Arthur Bennett | | 1882 | E |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC17 Surrey, Croydon Cultivated GB, VC29 Cambridgeshire, Burwell Fen | Arthur Bennett | Botanical Exchange Club of The British Isles | 1882 | E |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC52 Anglesey, Lligwy | | | 1882 | E |
| Potamogeton coloratus x berchtoldii = P. x lanceolatus | GB, VC52 Anglesey, Lligwy | Charles Bailey | Botanical Exchange Club of The British Isles Douglas Montague Heath Charles Bailey Gertrude Foggitt | 23/9/1881 | BIRM |