Carex borealipolaris
Carex borealipolaris, the Siberian bog sedge, is a species of plant known from arctic and alpine tundra habitats in Russia, Canada, and the United States, Utah, Montana, and Wyoming ). Some authorities have considered the North American collections as distinct species, but they are more often tentatively regarded as conspecific with C. borealipolaris, but this is pending further investigation.
Carex borealipolaris is a perennial herb spreading by means of underground rhizomes. Culms are up to 40 cm tall. Leaves are narrow and thread-like, up to 15 cm long. Lower spikelets generally have both pistillate and staminate flowers, while uppermost spikelets are staminate only.