| Festuca elatior subsp. pratensis | | | | | SHYB |
| Festuca ovina | | | | | SHYB |
| Festuca pratensis x Lolium perenne = x Festulolium loliaceum | | | | | MANCH |
| Festuca pratensis x Lolium perenne = x Festulolium loliaceum | | | | | MANCH |
| Festuca pratensis x Lolium perenne = x Festulolium loliaceum | | | Charles Bailey | | MANCH |
| Festuca rottboellioides | | | | | SHYB |
| Festuca rubra | | | | | SHYB |
| Festuca rubra subsp. commutata | | | | | LAUS |
| Festuca arundinacea | SE, Brevik, Lidingö | Nils Johan Andersson | William Jackson Hooker | 1843 | K |
| Festuca ovina | IE, VCH38 Co. Down, Holywood | Robert Lloyd Praeger | Robert Lloyd Praeger | 6/1893 | DBC |
| Festuca arundinacea | IE, VCH36 Tyrone, River Blackwater | J. Harron | | 29/7/1972 | K |
| Festuca arundinacea | IE, VCH33 Fermanagh, Lough Erne | Robert MacKechnie | | 15/8/1942 | K |
| Festuca arundinacea | IE, VCH33 Fermanagh, Kesh | Robert MacKechnie | | 7/8/1942 | K |
| Festuca arundinacea | IE, VCH33 Fermanagh, Enniskillen | Robert Desmond Meikle | | 11/7/1954 | K |
| Festuca arundinacea | IE, VCH33 Fermanagh, Ardunshin | Robert Desmond Meikle | | 12/7/1949 | K |
| Festuca arundinacea | IE, VCH23 Westmeath, Knock Drui, Co. West Meath | Harry Corbyn Levinge | | 4/8/1884 | K |
| Festuca altissima | IE, VCH23 Westmeath, Knock | Harry Corbyn Levinge | Harry Corbyn Levinge William Hunt Painter | 17/6/1892 | ABS |
| Festuca arundinacea x Lolium perenne = x Festulolium holmbergii | IE, VCH23 Westmeath, Knock | Harry Corbyn Levinge | Harry Corbyn Levinge William Hunt Painter | 4/7/1892 | ABS |
| Festuca pratensis x Lolium perenne = x Festulolium loliaceum | IE, VCH23 Westmeath, Knock | Harry Corbyn Levinge | Harry Corbyn Levinge William Hunt Painter | 18/7/1894 | ABS |
| Festuca gigantea | IE, VCH21 Co. Dublin, Rathgar | Robert Lloyd Praeger | Robert Lloyd Praeger | 27/7/1902 | DBC |
| Festuca pratensis | IE, VCH21 Co. Dublin, Rathfarnham | Robert Lloyd Praeger | Robert Lloyd Praeger | 20/7/1902 | DBC |
| Festuca heterophylla | IE, VCH21 Co. Dublin, Portmarnock | Robert Lloyd Praeger | Robert Lloyd Praeger | 30/6/1902 | DBC |
| Festuca arundinacea | IE, VCH21 Co. Dublin, Howth | Robert Bailey Drummond | | 30/6/1952 | K |
| Festuca altissima | IE, VCH20 Co. Wicklow, Avondale | Robert Lloyd Praeger | Robert Lloyd Praeger | 6/6/1899 | DBC |
| Festuca vivipara | IE, VCH16 West Galway, Twelve Bens [Pins] | Conrad Theodore Green | William Hunt Painter | 8/1884 | ABS |
| Festuca arundinacea | IE, VCH16 West Galway, Salt Hill | Robert Bailey Drummond | | 25/6/1952 | K |
| Festuca arundinacea | IE, VCH14 Laois, Woodville | Norman Loftus Bor | | 1/7/1947 | K |
| Festuca arundinacea | IE, VCH14 Laois, Port Laoighise | Norman Loftus Bor | | 6/7/1947 | K |
| Festuca arundinacea | IE, VCH2 North Kerry, Muckross | Brian Lawrence Burtt Joseph Robert Sealy Stella Ross-Craig | | 14/7/1938 | K |
| Festuca arundinacea | IE, VCH2 North Kerry, Ballyheige | Robert Bailey Drummond | | 20/6/1952 | K |
| Festuca vivipara | IE, VCH1 South Kerry, Glencar | James B Phipps | James B Phipps | 20/6/1954 | BIRM |
| Festuca vivipara | IE, VCH1 South Kerry, Glencar | James B Phipps | | 20/6/1954 | BIRM |
| Festuca vivipara | IE, VCH1 South Kerry, Carrantuohill | Augustin Ley | Augustin Ley | 20/8/1887 | BIRM |
| Festuca vivipara | IE, VCH1 South Kerry, Beenoskee | Augustin Ley | Augustin Ley | 15/8/1887 | BIRM |
| Festuca ovina | IE | | | | SHYB |
| Festuca arenaria | GB, VC113 Channel Islands, Jersey, Saint Ouen's | Augustin Ley | Augustin Ley | 23/7/1885 | BIRM |
| Festuca arenaria | GB, VC113 Channel Islands, Jersey, Saint Ouen's | Augustin Ley | Augustin Ley | 23/7/1885 | BIRM |
| Festuca rubra | GB, VC113 Channel Islands, Jersey, Saint Aubins Bay | Lester Vallis Lester-Garland | Botanical Exchange Club of The British Isles Augustin Ley | 18/6/1896 | BIRM |
| Festuca arundinacea | GB, VC113 Channel Islands, Jersey, Millbrook | | Lester Vallis Lester-Garland | 10/7/1897 | K |
| Festuca arundinacea | GB, VC113 Channel Islands, Guernsey,Vazon Bay | Charles Edward Hubbard | | 17/6/1953 | K |