Carex acuta or Acute Sedge, Slender Tufted-sedge, Slim Sedge can be found growing on the margins of river

River

A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...

s and lake

Lake

A lake is a body of relatively still fresh or salt water of considerable size, localized in a basin, that is surrounded by land. Lakes are inland and not part of the ocean and therefore are distinct from lagoons, and are larger and deeper than ponds. Lakes can be contrasted with rivers or streams,...

s in the Palaearctic terrestrial ecoregions in beds of wet, alkaline or slightly acid depression

Depression (geology)

A depression in geology is a landform sunken or depressed below the surrounding area. Depressions may be formed by various mechanisms.Structural or tectonic related:...

s with mineral

Mineral

A mineral is a naturally occurring solid chemical substance formed through biogeochemical processes, having characteristic chemical composition, highly ordered atomic structure, and specific physical properties. By comparison, a rock is an aggregate of minerals and/or mineraloids and does not...

 soil

Soil

Soil is a natural body consisting of layers of mineral constituents of variable thicknesses, which differ from the parent materials in their morphological, physical, chemical, and mineralogical characteristics...

.

Carex acuta does not tolerate prolonged desiccation

Desiccation

Desiccation is the state of extreme dryness, or the process of extreme drying. A desiccant is a hygroscopic substance that induces or sustains such a state in its local vicinity in a moderately sealed container.-Science:...

. The community is distributed, in particular, in northern France

France

The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

, the Low Countries

Low Countries

The Low Countries are the historical lands around the low-lying delta of the Rhine, Scheldt, and Meuse rivers, including the modern countries of Belgium, the Netherlands, Luxembourg and parts of northern France and western Germany....

, Central Europe

Central Europe

Central Europe or alternatively Middle Europe is a region of the European continent lying between the variously defined areas of Eastern and Western Europe...

 south to the Sava

Sava River

The Sava is a river in Southeast Europe, a right side tributary of the Danube river at Belgrade. Counting from Zelenci, the source of Sava Dolinka, it is long and drains of surface area. It flows through Slovenia, Croatia, along the northern border of Bosnia and Herzegovina, and through Serbia....

 and Drava

Drava

Drava or Drave is a river in southern Central Europe, a tributary of the Danube. It sources in Toblach/Dobbiaco, Italy, and flows east through East Tirol and Carinthia in Austria, into Slovenia , and then southeast, passing through Croatia and forming most of the border between Croatia and...

 valleys of Croatia

Geography of Croatia

Geography of Croatia is defined by location of Croatia in the Southeast Europe, bordering Bosnia and Herzegovina and Serbia in the east, Slovenia in the west, Hungary in the north and Montenegro and the Adriatic Sea in the south. It lies mostly between latitudes 42° and 47° N and longitudes 13° and...

, the northern Morava valley of Serbia

Geography of Serbia

Serbia is country located in the Balkans and in the Pannonian Plain . It shares borders with Bosnia-Herzegovina, Bulgaria, Croatia, Hungary, the Republic of Macedonia, Montenegro, and Romania. Serbia claims a border with Albania as well through its disputed territory of Kosovo...

 and Romania

Geography of Romania

With an area of 238,400 square kilometers, Romania is the twelfth largest country in Europe. Situated in the northeastern portion of the Balkan Peninsula, the country is halfway between the equator and the North Pole and equidistant from the westernmost part of Europe—the Atlantic Coast—and the...

, north to Poland

Geography of Poland

Poland is a country in Central Europe with an area of 312,679 square kilometres , and mostly temperate climate. Generally speaking, Poland is an almost unbroken plain reaching from the Baltic Sea in the north, to the Carpathian Mountains in the south...

, the Kaliningrad District

Kaliningrad Oblast

Kaliningrad Oblast is a federal subject of Russia situated on the Baltic coast. It has a population of The oblast forms the westernmost part of the Russian Federation, but it has no land connection to the rest of Russia. Since its creation it has been an exclave of the Russian SFSR and then the...

, Lithuania

Geography of Lithuania

The largest and most populous of the Baltic states, Lithuania has of sandy coastline which faces the open Baltic Sea, between Latvia and Russia. Lithuania's major warm-water port of Klaipėda lies at the narrow mouth of Curonian Lagoon, a shallow lagoon extending south to Kaliningrad and separated...

 and Latvia

Latvia

Latvia , officially the Republic of Latvia , is a country in the Baltic region of Northern Europe. It is bordered to the north by Estonia , to the south by Lithuania , to the east by the Russian Federation , to the southeast by Belarus and shares maritime borders to the west with Sweden...

, in southern Scandinavia, in the Dnieper basin

Dnieper River

The Dnieper River is one of the major rivers of Europe that flows from Russia, through Belarus and Ukraine, to the Black Sea.The total length is and has a drainage basin of .The river is noted for its dams and hydroelectric stations...

 of northern Ukraine

Geography of Ukraine

Ukraine is the second-largest country in Europe. Its various regions have diverse geographic features ranging from the highlands to the lowlands.-Geographic location:...

 and southern Belarus, in the lower Volga

Volga River

The Volga is the largest river in Europe in terms of length, discharge, and watershed. It flows through central Russia, and is widely viewed as the national river of Russia. Out of the twenty largest cities of Russia, eleven, including the capital Moscow, are situated in the Volga's drainage...

Valley.