Festuca longifolia

{{Short description|Species of grass}}

{{Use dmy dates|date=April 2022}}

{{Speciesbox

| image = Festuca longifolia subsp. pseudocostei (Marienfloss).JPG

| genus = Festuca

| species = longifolia

| authority = Thuill.

| synonyms = Festuca caesia Sm.

| synonyms_ref = {{cite web |title=Festuca caesia Sm. |url=https://www.gbif.org/species/175138111 |access-date=2023-01-13}}

}}

Festuca longifolia, known in Britain and Ireland as blue fescue,{{BSBI 2007 |accessdate=2014-10-17 }} is a species of grass which is native to Channel Islands and Southern Devon.{{cite web|url= http://www.brc.ac.uk/plantatlas/index.php?q=node/1710|title=Festuca longifolia |publisher=Online Atlas of the British & Irish Flora|accessdate=November 18, 2013}} It was described by Auquier in 1977.{{cite journal|author=D. J. Gibson and I. Taylor|title=Festuca longifolia Thuill. (F. glauca auct. non. Vill. F glauca var. caesia (Sm.) Howarth, F caesia Sm.)|journal=Journal of Ecology|year=2005|volume=93|issue=238|pages=214–226|doi=10.1111/j.0022-0477.2004.00963.x |s2cid=85312282 |doi-access=free|bibcode=2005JEcol..93..214G }}