Other conspecific taxa:

• Elymus repens (0 accessions)
• Elymus repens subsp. elongatiformis (0 accessions)

Synonyms:

• (=) Agropyron firmum J. Presl
• (≡) Agropyron repens (L.) P. Beauv.
• (≡) Elytrigia repens (L.) Desv. ex Nevski
• (=) Triticum firmum (J. Presl) Link
• Basionym: Triticum repens L.

Common names:

• couch grass  (Source: World Econ Pl) - English
• coutch  (Source: Dict Rehm) - English
• dog grass  (Source: Ency CNatIn) - English
• quack grass  (Source: World Econ Pl) - English
• quick grass  (Source: Weed CIBA) - English
• scutch  (Source: Dict Rehm) - English
• twitch grass  (Source: Weed CIBA) - English
• chiendent  (Source: F NAmer) - French
• chiendent rampant  (Source: Dict Rehm) - French
• petit chiendent  (Source: Dict Rehm) - French
• Ackerquecke  (Source: Dict Rehm) - German
• Quecke  (Source: Dict Rehm) - German
• grama canina  (Source: Dict Rehm) - Spanish

Economic Importance:

• Food additives: flavoring (fide Ency CNatIn, as Elytrigia repens)
• Animal food: fodder (fide F Iraq, as Agropyron repens)
• Animal food: forage (fide F Iraq, as Agropyron repens)
• Gene sources: tertiary genetic relative of wheat (fide Wild Crop Rel Cer 2:78. 2011)
• Medicines: folklore (fide Ency CNatIn, as Elytrigia repens; CRC MedHerbs ed2, as Elytrigia repens; Herbs Commerce ed2, as Elytrigia repens)
• Weed: potential seed contaminant (fide Weed CIBA; Invasive Pl Spec)

Distributional Range:

Native

Africa

• NORTHERN AFRICA: Algeria, Morocco, Tunisia

Asia-Temperate

• WESTERN ASIA: Afghanistan, Cyprus, Iran, Iraq, Lebanon, Syria, Turkey
• CAUCASUS: Armenia, Azerbaijan, Georgia, Russian Federation, [Dagestan] Russian Federation-Ciscaucasia [Ciscaucasia]
• SIBERIA: Russian Federation [Altay, Buryatia, Chita, Gorno-Altay, Irkutsk, Kemerovo, Krasnoyarsk, Kurgan, Novosibirsk, Omsk, Tuva, Tyumen, Yakutia-Sakha]
• MIDDLE ASIA: Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan, Uzbekistan
• MONGOLIA: Mongolia
• RUSSIAN FAR EAST: Russian Federation [Kurile Islands, Khabarovsk, Primorye, Amur, Kamchatka, Magadan (s.), Sakhalin]
• CHINA: China [Heilongjiang, Hebei, Gansu, Sichuan, Qinghai, Yunnan, Nei Monggol, Xinjiang, Xizang]
• EASTERN ASIA: Korea

Asia-Tropical

• INDIAN SUBCONTINENT: India (n.), Pakistan

Europe

• NORTHERN EUROPE: Denmark, Finland, Iceland, Ireland, Norway, Sweden, United Kingdom
• MIDDLE EUROPE: Austria, Belgium, Czech Republic, Germany, Hungary, Netherlands, Poland, Switzerland
• EASTERN EUROPE: Belarus, Estonia, Latvia, Lithuania, Moldova, Russian Federation-European part, [European part] Ukraine (incl. Krym)
• SOUTHEASTERN EUROPE: Albania, Bulgaria, Croatia, Greece, Italy (incl. Sardinia, Sicily), Romania, Serbia, Slovenia
• SOUTHWESTERN EUROPE: France (incl. Corsica), Spain (incl. Baleares)


Naturalized

Africa

• MACARONESIA: Spain [Canary Islands]
• SOUTHERN AFRICA: South Africa

Asia-Tropical

• INDIAN SUBCONTINENT: Bhutan

Australasia

• AUSTRALIA: Australia
• NEW ZEALAND: New Zealand

Northern America

• North America

Southern America

• SOUTHERN SOUTH AMERICA: Chile


Other (exact native range obscure)

References:

1. Plants of southern Africa: an online checklist. (Pl SAfr Online)
2. CIBA-GEIGY, Basel, Switzerland Documenta CIBA-GEIGY (Grass weeds 1. 1980, 2. 1981; Monocot weeds 3. 1982; Dicot weeds 1. 1988) (Weed CIBA)
3. Davis, P. H., ed. Flora of Turkey and the east Aegean islands. 1965-1988 (F Turk)
4. Euro+Med Editorial Committee Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). (EuroMed Plantbase)
5. FNA Editorial Committee Flora of North America. 1993- (F NAmer)
6. Grierson, A. J. C. & D. J. Long Flora of Bhutan including a record of plants from Sikkim. 1984- (F Bhutan)
7. Leung, A. Y. & S. Foster Encyclopedia of common natural ingredients used in food, drugs, and cosmetics, ed. 2. 1996 (Ency CNatIn)
8. Randall, R. P. The introduced flora of Australia and its weed status. (Weed CRCAustralia)
9. Rehm, S. Multilingual dictionary of agronomic plants. 1994 (Dict Rehm)
10. Tutin, T. G. et al., eds. Flora europaea. 1964-1980 (F Eur)
11. Ugarte, E. et al. 2011. Vascular alien flora, Chile (Check List) 7:365-380.
12. Wang, R. R.-C. 2011. Chapter 2. Agropyron and Psathyrostachys (Wild Crop Rel Cer) 77-108.
13. Wu Zheng-yi & P. H. Raven et al., eds. Flora of China (English edition). 1994- (F ChinaEng)

Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2024. Germplasm Resources Information Network (GRIN-Taxonomy).
National Germplasm Resources Laboratory, Beltsville, Maryland. URL: http://germoplasma.iniaf.gob.bo/gringlobal/taxonomydetail.aspx?id=454279. Accessed 15 mayo 2024.