Festuca frederikseniae

{{Short description|Species of grass}}

{{Use dmy dates|date=June 2025}}

{{Speciesbox

|status = G3

|status_system = TNC

|status_ref =

|genus = Festuca

|species = frederikseniae

|authority = E.B.Alexeev

|synonyms = *Festuca duriuscula var. hirsuta Lange

• Festuca ovina var. hirsuta Lange
• Festuca vivipara subsp. hirsuta (Schol.) Fred.
• Festuca vivipara var. hirsuta Schol.

|synonyms_ref=[http://www.tropicos.org/Name/25517840?tab=synonyms Tropicos][http://www.theplantlist.org/tpl1.1/record/kew-415207 The Plant List]

|}}

Festuca frederikseniae, also known as North Atlantic fescue or Frederksen's fescue, is a species of grass native to Greenland, Newfoundland, Labrador, and to a few islands in eastern Québec (Mingan Archipelago and Anticosti Island).{{Cite web |date=18 December 2020 |title=Canada's Plant Hardiness Site - Natural Resources Canada |url=https://www.planthardiness.gc.ca/?m=8&s=b&lang=en&speciesid=1010297 |url-status=live |access-date=5 June 2025}}{{Cite web |title=Festuca frederikseniae - FNA |url=http://floranorthamerica.org/Festuca_frederikseniae |access-date=5 June 2025 |website=floranorthamerica.org}}{{Cite web |title=Festuca frederikseniae E.B.Alexeev |url=http://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:277166-2 |access-date=5 June 2025 |website=Kew Science - Plants of the World Online |language=en}} In Iceland and southern Greenland, a few populations have been found that may be hybrids between F. rubra and either F. frederikseniae or F. vivipara. The purported hybrids have been named F. x villosa-vivipara.Alexeev, Eugeniy Borisovich. Novosti Sistematiki Vysshchikh Rastenii 22: 23. 1985. All these species grow on cliffs and on rocky or sandy soils in alpine tundra.{{Cite web |url=http://www.herbarium.usu.edu/treatments/Festuca.htm |title=Darbyshire, Stephen J., & Leon E. Pavlik. Festuca. Utah State University Intermountain Herbarium. Logan. |access-date=14 February 2014 |archive-url=https://web.archive.org/web/20121025072042/http://herbarium.usu.edu/treatments/Festuca.htm |archive-date=25 October 2012 |url-status=dead }}Alexeev, E.B. 1977. To the systematics of Asian fescues (Festuca): I. Subgenera Drymanthele, Subulatae, Schedonorus, Leucopoa. Byull. Moskovsk. Obshch. Isp. Prir., Otd. Biol., n.s., 82(3):95–102.Alexeev, E.B. 1980. Festuca L.: Subgenera et sectiones novae ex America boreali et Mexico. Novosti Sist. Vyssh. Rast. 17:42–53.Alexeev, E.B. 1982. New and little known fescues (Festuca L.) of North America. Byull. Moskovsk. Obshch. Isp. Prir., Otd. Biol., n.s., 87(2):109–118.Darbyshire, S.J., R. J. Soreng, D. Stančík & S. D. Koch. 2003. Festuca. In Catalogue of New World Grasses (Poaceae): IV. Subfamily Pooideae. Contributions from the United States National Herbarium 48: 312–368. It was first described in 1985.{{cn|date=June 2025}}