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S. arctica is typically a low shrub growing to only 15 centimetres (6 inches) in height, rarely to 25 cm (10 in), although it may reach 50 cm (20 in) in height in the Pacific Northwest. [4] It has round, shiny green leaves 1–4 cm ( 1 ⁄ 2 – 1 + 1 ⁄ 2 in) long and 6 cm ( 2 + 1 ⁄ 4 in) broad; they are pubescent, with long, silky, silvery ...
Salix alatavica Kar. ex Stschegl. Salix alaxensis (Andersson) Coville – Alaska willow; Salix alba L. – white willow; Salix alexii-skvortzovii A.P.Khokhr. Salix alpina Scop. – alpine willow; Salix amplexicaulis Bory & Chaub. Salix amygdaloides Andersson – peachleaf willow; Salix anatolica Ziel. & D.Tomasz. Salix annulifera C.Marquand ...
This is a list of biodiversity databases. Biodiversity databases store taxonomic information alone or more commonly also other information like distribution (spatial) data and ecological data, which provide information on the biodiversity of a particular area or group of living organisms. They may store specimen-level information, species-level ...
This is a list of online databases accessible via the Internet. ... Philosophy Research Index; Plant DNA C-values Database; ... World Biographical Information System ...
Biological taxonomy is not fixed, and opinions about the correct status of taxa at all levels, and their correct placement, are constantly revised as a result of new research. Many aspects of classification remain a matter of scientific judgment. The ITIS database is updated to take account of new research as it becomes available. [citation needed]
Arctic vegetation is largely controlled by the mean temperature in July, the warmest month. Arctic vegetation occurs in the tundra climate, where trees cannot grow.Tundra climate has two boundaries: the snow line, where permanent year-round snow and ice are on the ground, and the tree line, where the climate becomes warm enough for trees to grow. [7]
Salix arctica; Salix herbacea; Salix lanata; Salix polaris; Saxifraga cernua; Saxifraga cespitosa; Saxifraga flagellaris; Saxifraga oppositifolia; Saxifraga rivularis; Schistidium poeltii; Silene acaulis; Sphagnum fimbriatum; Sphagnum squarrosum; Sphagnum wulfianum; The Structure and Biology of Arctic Flowering Plants; Flora of Svalbard
Animal Place Latitude/longitude Fresh water fish: arctic char: Arctic Ocean [29]: Approx. 82°N Coral reef: Off the north coast of Norway [30: Amphibian: Siberian wood frog: Northern Siberia [31]