''Juncus subnodulosus'', the blunt-flowered rush, is a

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

of rush. It natively occurs from the

Mediterranean The Mediterranean Sea is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Western Europe, Western and Southern Europe and Anatolia, on the south by North Africa ...

region across

temperate In geography, the temperate climates of Earth occur in the middle latitudes (23.5° to 66.5° N/S of Equator), which span between the tropics and the polar regions of Earth. These zones generally have wider temperature ranges throughout ...

Europe Europe is a large peninsula conventionally considered a continent in its own right because of its great physical size and the weight of its history and traditions. Europe is also considered a subcontinent of Eurasia and it is located entirel ...

, but it does not range far into

Scandinavia Scandinavia; Sámi languages: /. ( ) is a subregion in Northern Europe, with strong historical, cultural, and linguistic ties between its constituent peoples. In English usage, ''Scandinavia'' most commonly refers to Denmark, Norway, and Swe ...

. Introduced populations exist in

New Zealand New Zealand ( mi, Aotearoa ) is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and over 700 smaller islands. It is the sixth-largest island count ...

and North America. This species is an important associate within the anthropogenic ''Juncus subnodulosus-Cirsium palustre'' fen-meadow ecosystem, an important habitat type of

Western Europe Western Europe is the western region of Europe. The region's countries and territories vary depending on context. The concept of "the West" appeared in Europe in juxtaposition to "the East" and originally applied to the ancient Mediterranean ...

. ''J. subnodulosus'' is particularly prevalent within the disturbed ridges of this type of

fen-meadow A fen-meadow is a type of peatland, common in North America and Europe, that receives water from precipitation and groundwater. Habitat The continuous flow of mineral-rich and nutrient-poor acidic groundwater through fen-meadow topsoil fosters ...

.Perring ''et al.'' (1964), Hogan (2009)

Footnotes

References

* (1964): ''A flora of Cambridgeshire''. Cambridge University Press, Cambridge, United Kingdom. * (2009)
Marsh Thistle: ''Cirsium palustre''
at GlobalTwitcher.com, ed. N. Strömberg subnodulosus Plants described in 1789 Flora of Europe {{Poales-stub