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The Arctic willow is a food source for several Arctic animals. Muskoxen, caribou, Arctic hares, and lemmings all feed on the bark and twigs, while the buds are the main food source of the rock ptarmigan. It is the primary host plant and food source for the Arctic woolly bear moth (Gynaephora groenlandica). [10]
The Arctic willow, commonly named rock willow, is found in the North American tundra. Most uniquely, the Arctic willow often has long trailing branches that root where they intersect with the surface of the ground, and the roots are shallow as to thrive in the frozen ground of the tundra (Wielgolaski 1972).
Willow roots spread widely and are very aggressive in seeking out moisture; for this reason, they can become problematic when planted in residential areas, where the roots are notorious for clogging French drains, drainage systems, weeping tiles, septic systems, storm drains, and sewer systems, particularly older, tile, concrete, or ceramic pipes.
Salix herbacea, the dwarf willow, least willow or snowbed willow, is a species of tiny creeping willow (family Salicaceae) adapted to survive in harsh arctic and subarctic environments. Distributed widely in alpine and arctic environments around the North Atlantic Ocean , it is one of the smallest woody plants .
Diamond willow is a type of tree with wood which is transformed into diamond-shaped segments that have alternating colors. Salix bebbiana , the most common, is a species of willow indigenous to Canada and the northern United States, from Alaska and Yukon south to California and Arizona and northeast to Newfoundland and New England.
The mat forming Rocky Mountain willow (Salix petrophila), in the willow family , grows to only 4 inches (0.10 m). [6]: 197 Arctic willow (Salix arctica) is tiny, creeping, prostrate, and mat forming. [9] Snow willow (Salix reticulata) occurs in alpine cirques in Mono County, CA. [9]
While Virginia and North Carolina were grappling with a snowstorm, an Arctic blast brought dangerously low temperatures to a vast swath of the U.S. Winter storm dumps snow in the East as freeze ...
Salix jepsonii – Jepson's willow; Salix arctica – Arctic willow; Herbaceous perennials and others Allium obtusum – Red Sierra onion, subalpine onion; Carex spp. – Sedges (see also Carex spp. "lower montane forest") Carex specifica – Narrowfruit sedge; Elymus violaceus, syn. Elymus sierrae; Erigeron aequifolius – Hall's daisy (sn ...