× Arctodupontia is a nothogenus of Arctic and Subarctic plants in the grass family.Tzvelev, Nikolai Nikolaievich. 1973. Novosti Sistematiki Vysshchikh Rastenii 10: 91Tropicos, × Arctodupontia Tzvelev The only known nothospecies is × Arctodupontia scleroclada, found in the colder regions of Eurasia and North America (Nunavut, Svalbard, Magadan, northern European Russia). It is believed to have originated as a hybrid of two other arctic grasses: Arctophila fulva × Dupontia fisheri.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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