× ''Arctodupontia'' is a

nothogenus In botanical nomenclature, a hybrid may be given a hybrid name, which is a special kind of botanical name, but there is no requirement that a hybrid name should be created for plants that are believed to be of hybrid origin. The ''International Co ...

Arctic The Arctic (; . ) is the polar regions of Earth, polar region of Earth that surrounds the North Pole, lying within the Arctic Circle. The Arctic region, from the IERS Reference Meridian travelling east, consists of parts of northern Norway ( ...

and

Subarctic The subarctic zone is a region in the Northern Hemisphere immediately south of the true Arctic, north of hemiboreal regions and covering much of Alaska, Canada, Iceland, the north of Fennoscandia, Northwestern Russia, Siberia, and the Cair ...

plants in the grass family. The only known

nothospecies #REDIRECT Hybrid name In botanical nomenclature, a hybrid may be given a hybrid name, which is a special kind of botanical name, but there is no requirement that a hybrid name should be created for plants that are believed to be of hybrid origin. ...

is × ''Arctodupontia scleroclada'', found in the colder regions of

Eurasia Eurasia ( , ) is a continental area on Earth, comprising all of Europe and Asia. According to some geographers, Physical geography, physiographically, Eurasia is a single supercontinent. The concept of Europe and Asia as distinct continents d ...

and

North America North America is a continent in the Northern Hemisphere, Northern and Western Hemisphere, Western hemispheres. North America is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South Ameri ...

(

Nunavut Nunavut is the largest and northernmost Provinces and territories of Canada#Territories, territory of Canada. It was separated officially from the Northwest Territories on April 1, 1999, via the ''Nunavut Act'' and the Nunavut Land Claims Agr ...

Svalbard Svalbard ( , ), previously known as Spitsbergen or Spitzbergen, is a Norway, Norwegian archipelago that lies at the convergence of the Arctic Ocean with the Atlantic Ocean. North of continental Europe, mainland Europe, it lies about midway be ...

Magadan Magadan ( rus, Магадан, p=məɡɐˈdan) is a Port of Magadan, port types of inhabited localities in Russia, town and the administrative centre of Magadan Oblast, Russia. The city is located on the isthmus of the Staritsky Peninsula by the ...

, northern

European Russia European Russia is the western and most populated part of the Russia, Russian Federation. It is geographically situated in Europe, as opposed to the country's sparsely populated and vastly larger eastern part, Siberia, which is situated in Asia ...

). It is believed to have originated as a hybrid of two other arctic grasses: ''

Arctophila fulva ''Dupontia fulva'', commonly known as pendant grass, is a species of grass native to arctic and subarctic regions of Eurasia and North America (northern Russia, Finland, Sweden, Svalbard, Greenland, Alaska, and Canada),Dupontia fisheri ''Dupontia fisheri'', common name tundragrass, is a species of grass. It is native to subarctic and subalpine areas of northern Canada (Labrador, Quebec, Ontario, Manitoba, Yukon Territory, Northwest Territories, and Nunavut), plus Alaska, Greenl ...

''.Soreng, R. J. 2003. × Arctodupontia. In Catalogue of New World Grasses (Poaceae): IV. Subfamily Pooideae. Contributions from the United States National Herbarium 48: 117
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References

Pooideae Monotypic Poaceae genera Plant nothogenera {{Pooideae-stub