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Micranthes nivalis

Micranthes nivalis (*)

Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Ordo: Saxifragales

Familia: Saxifragaceae
Genus: Micranthes
Sectio: M. sect. Micranthes
Species: Micranthes nivalis

Micranthes nivalis (L.) Small, 1905

Saxifraga nivalis L., 1753


Linnaeus, C. Species Plantarum: 401
Micranthes nivalis (L.) Small – Taxon details on Integrated Taxonomic Information System (ITIS).
Elven, R. & al. (eds.) 2003- Annotated Checklist of the Panarctic Flora (PAF). Published online. Accessed: 2015 Oct 31

Vernacular names
dansk: Sne-Stenbræk
English: Alpine Saxifrage
suomi: Pahtarikko
français: Saxifrage des neiges
íslenska: Snæsteinbrjótur
norsk: Snøsildre
polski: Skalnica śnieżna
davvisámegiella: Báktenárti
svenska: Fjällbräcka

Micranthes nivalis is a plant species in the saxifrage family. It is commonly called snow saxifrage or (ambiguously) alpine saxifrage.

Micranthes nivalis is a perennial plant which grows on damp, shady, base-rich rocks and cliffs where it normally occurs in crevices and on ledges in locations where it cannot be crowded out by competing plants. In Britain the highest altitudes are recorded in Scotland, from 365 metres (1,198 ft) at Quiraing in the Western Isles,to 1,210 metres (3,970 ft) on Ben Lawers in Perth & Kinross. However it has been claimed as high as 1,300 metres (4,300 ft) in the Cairngorms.[2] It grows to a height of 5–20 centimetres (2.0–7.9 in) with a leafless, hairy stalk. The flower is greenish white turning reddish as it ages with 5 petals and 5 sepals. The leathery, greyish green, rhomboidal leaves make up a rosette at the base of the stem and lie close to the soil surface, and are only sparsely haired.[3]

The Latin specific epithet nivalis means "as white as snow', or "growing near snow".[4]

This species is also found in Norway, Ireland, Svalbard, northern Germany, Poland, Russia, Canada, Alaska and Greenland.[3][5]

The plant was first described by Carl Linnaeus in Flora Lapponica (1737), as a result of his expedition to Lapland.[6]

Some populations from the Canadian Province of Quebec have been recognized as a distinct species by some authors,[7][8] a variety of M. nivalis others:[9][10]

Saxifraga gaspensis Fernald
Saxifraga nivalis var. gaspensis (Fernald) B. Boivin
Micranthes gaspensis (Fernald) Small

is distinguished from var. nivalis by smaller inflorescences and narrower leaves. It is known only from the Shickshock Mountains of the Gaspé Peninsula of southeastern Québec. It has been suggested that this may be a hybrid of M. nivalis and M. tenuis; further study is warranted.[7]
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"Synonyms of Micranthes nivalis". Board of Trustees of the Royal Botanic Gardens, Kew. Retrieved 26 March 2020.
"Saxifraga nivalis". Online Atlas of British and Irish Flora. Botanical Society of Britain and Ireland. Retrieved 26 March 2020.
"Snow Saxifrage Micranthes nivalis". LuontoPortti / NatureGate. Retrieved 26 March 2020.
Harrison, Lorraine (2012). RHS Latin for Gardeners. United Kingdom: Mitchell Beazley. ISBN 184533731X.
"Micranthes nivalis". Flora of North America. efloras .org. Retrieved 26 March 2020.
Linnaeus, Carl von (1753). Caroli Linnaei ... Species plantarum :exhibentes plantas rite cognitas, ad genera relatas, cum differentiis specificis, nominibus trivialibus, synonymis selectis, locis natalibus, secundum systema sexuale digestas... Vol. 1. Biodiversity History Library.
Flora of North America v 8 p 65.
Fernald, Merritt Lyndon (191). "CONTRIBUTIONS FROM THE GRAY HERBARIUM OF HARVARD UNIVERSITY.— NEW SERIES, NO. L". Rhodora. 19 (224): 141–142.
Small, John Kunkel (1918). "North American Flora". p. 552.
Boivin, Joseph Robert Bernard (1966). "Enumération des plantes du Canada". Le Naturaliste Canadien. 93 (5): 583–646.

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