''Arctagrostis latifolia'', the wideleaf polargrass, is a widespread species of grass (family

Poaceae Poaceae () or Gramineae () is a large and nearly ubiquitous family of monocotyledonous flowering plants commonly known as grasses. It includes the cereal grasses, bamboos and the grasses of natural grassland and species cultivated in lawns an ...

), with a

circumpolar distribution A circumpolar distribution is any range of a taxon that occurs over a wide range of longitudes but only at high latitudes; such a range therefore extends all the way around either the North Pole or the South Pole. Taxa that are also found in isolat ...

in the high Arctic. It is a

tetraploid Polyploidy is a condition in which the cells of an organism have more than one pair of ( homologous) chromosomes. Most species whose cells have nuclei (eukaryotes) are diploid, meaning they have two sets of chromosomes, where each set contains ...

with chromosome number 2n = 4x = 28.

References

Pooideae Flora of Norway Flora of Svalbard Flora of Finland Flora of North European Russia Flora of East European Russia Flora of Siberia Flora of the Russian Far East Flora of Kazakhstan Flora of Mongolia Flora of Alaska Flora of Subarctic America Flora of British Columbia Flora of Manitoba Flora of Ontario Flora of Quebec Flora of Labrador Flora of Greenland Plants described in 1852 Flora without expected TNC conservation status {{Pooideae-stub