Juncus effusus


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Juncus effusus
Species Authority: L.
Common Name/s:
English Soft Rush
French Jonc Diffus, Jonc Épars
Juncus canariensis Willd.
Juncus communis E.Mey.
Juncus expansus Jan
Juncus fistulosus Guss.
Juncus pylaei Laharpe

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2011
Date Assessed: 2010-04-07
Assessor/s: Juffe Bignoli, D.
Reviewer/s: Zhuang, X., Bounphanmy, S. & Homsombath, K.

This species is widespread and locally common all over the world. It is listed as Least Concern.

Geographic Range [top]

Range Description:

Juncus effusus is a cosmopolitan species which occurs throughout most of Europe, Asia south to Indonesia, North America, the Atlantic islands and Madagascar.

Afghanistan; Albania; Algeria; Australia; Austria; Belarus; Belgium; Bolivia, Plurinational States of; Bosnia and Herzegovina; Bulgaria; Burundi; Canada; China (Anhui, Fujian, Gansu, Guangdong, Guangxi, Guizhou, Hebei, Heilongjiang, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Jilin, Liaoning, Shaanxi, Shandong, Sichuan, Tibet [or Xizang], Yunnan, Zhejiang); Colombia (Colombia (mainland)); Congo, The Democratic Republic of the; Costa Rica (Costa Rica (mainland)); Croatia; Cyprus; Czech Republic; Denmark; Ecuador (Ecuador (mainland)); El Salvador; Estonia; Finland; France (Corsica, France (mainland)); Greece (East Aegean Is., Greece (mainland), Kriti); Guatemala; Haiti; Honduras; Hong Kong; Hungary; Iceland; India; Iran, Islamic Republic of; Iraq; Ireland; Italy (Italy (mainland), Sardegna, Sicilia); Kenya; Macedonia, the former Yugoslav Republic of; Madagascar; Mauritania; Mexico; Montenegro; Morocco; Netherlands; Norway; Peru; Poland; Portugal (Azores, Portugal (mainland)); Romania; Russian Federation (Central European Russia, East European Russia, North European Russia, Northwest European Russia, South European Russia); Rwanda; Serbia (Serbia); Slovenia; South Africa (North-West Province); Spain (Baleares, Canary Is., Spain (mainland)); Svalbard and Jan Mayen; Sweden; Switzerland; Taiwan, Province of China; Tanzania, United Republic of; Turkey (Turkey-in-Europe); Uganda; Ukraine; United Kingdom; United States; Venezuela, Bolivarian Republic of (Venezuela (mainland)); Zimbabwe
New Zealand
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: No population information available.
Population Trend: Stable

Habitat and Ecology [top]

Habitat and Ecology: It grows scattered mostly in wetland habitats although it can also occur in wet pasture or moorlands. It is found in margins of ponds, rivers, lakes and open wet woodlands.
Systems: Freshwater

Threats [top]

Major Threat(s): No information on its major threats.

Conservation Actions [top]

Conservation Actions:

No population conservation information on this species.

Citation: Juffe Bignoli, D. 2011. Juncus effusus. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.2. <>. Downloaded on 16 April 2014.
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