Dupontia is a genus of Arctic and Subarctic plants in the grass family.
SpeciesThe only known species is Dupontia fisheri, common name tundragrass. It is native to northern Canada (Labrador, Quebec, Ontario, Manitoba, + the 3 Arctic Territories), plus Alaska, Greenland, Svalbard, and Russia (Asian + European).
formerly includedsee Arctodupontia, Graphephorum
Dupontia cooleyi – Graphephorum melicoides
Dupontia × scleroclada – ×Arctodupontia scleroclada