Poaceae
Somerset hair grass
Koeleria vallesiana
- Family
- Poaceae
- Genus
- Koeleria
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Common names
By language (1)
- English
- Somerset hair grass
Synonyms
- Aira valesiaca Colla
- Aira valesiana All.
- Aira vallesiana (Honck.) All.
- Airochloa pubescens Link
- Airochloa vallesiana (Honck.) Link
- Brachystylus setaceus (Pers.) Dulac
- Festuca splendens Pourr.
- Koeleria alpicola Godr. & Gren.
- Koeleria andreanszkyi Ujhelyi
- Koeleria aurata Bubani
- Koeleria castellana Boiss. & Reut.
- Koeleria castellana var. velutina Willk.
- Koeleria cristata var. pectinata (Lam.) Pers.
- Koeleria epauneroi Kerguélen
- Koeleria gandreanszkyi Kerguélen
- Koeleria intricata Genty
- Koeleria langeana Willk. & Lange
- Koeleria linkii Kunth
- Koeleria narbonnensis Domin
- Koeleria nitida Ten.
- Koeleria pauneroi Ujhelyi
- Koeleria pectinata (Lam.) Shinners
- Koeleria scheuchzeri Rouy
- Koeleria setacea (Pers.) DC.
- Koeleria setacea subsp. valesiaca K.Richt.
- Koeleria setacea var. abbreviata Domin
- Koeleria setacea var. alpicola (Godr.) Fiori
- Koeleria setacea var. ciliata Godr.
- Koeleria setacea var. glabra Godr.
- Koeleria setacea var. intermedia Timb.-Lagr.
- Koeleria setacea var. lobulata A.Bras
- Koeleria setacea var. pubescens Parl.
- Koeleria setacea var. quadriflora Trab.
- Koeleria splendens (Pourr.) Druce
- Koeleria tuberosa Pers.
- Koeleria tuberosa var. setacea Pers.
- Koeleria vallesiana subsp. abbreviata (Domin) Kerguélen
- Koeleria vallesiana subsp. castellana (Boiss. & Reut.) Domin
- Koeleria vallesiana subsp. humilis Braun-Blanq.
- Koeleria vallesiana subsp. mediterranea Braun-Blanq.
and 20 more.
Characteristics
- Growth habit
- Graminoid
Photos

Photo: Daderot, CC0, from Wikimedia Commons 
Photo: Isidre blanc, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Ragnhild&Neil Crawford from Sweden, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Ragnhild&Neil Crawford from Sweden, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Krzysztof Ziarnek, Kenraiz, CC BY-SA 4.0, from Wikimedia Commons
More in Koeleria
- Prairie JunegrassKoeleria macranthaPoaceae
- Koeleria glaucaPoaceae
- Koeleria pyramidataPoaceae
- Spike trisetumKoeleria spicataPoaceae
- Somerset hair grassKoeleria valesianaPoaceae
- Koeleria delavigneiPoaceae
- Eurasian junegrassKoeleria asiaticaPoaceae
- Koeleria brevisPoaceae
- Koeleria caudataPoaceae
- Koeleria eriostachyaPoaceae
- Koeleria hirsutaPoaceae
- Koeleria novozelandicaPoaceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0); popularity from Wikidata (2026-10-26, CC0 1.0). About our plant data.