Rock Garden Plants
Arnica griscomii Fernald trib. Heliantheae 
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FamilyASTERACEAE
Genus speciesArnica griscomii Fernald trib. Heliantheae
SynonymsArnica brevifolia Rydb.
 Arnica nutans Rydb.
 Arnica snyderi Raup
Habitatrocky slopes
Altitude10-1100m
Descriptionstem leaves petiolate, elliptic, lanceolate or spathulate, denticulate, acute or obtuse, usually glabrous, capitula solitary, involucre hemispherical, white pilose
Size5-40cm
Coloryellow
Bloomsummer
Ca+
Typetuft
Cultivationsunny, dry, rock crevices, protection against winter wet
alpine house, poor, drained soil, sun
Propagationseed in spring, barely covered, germ. 1 month, 10-16°C
division in spring; cuttings in late summer
Territory Asia-Temperate
     Siberia
     Russian Far East
Northern America
     Eastern Canada (Newfoundland , Québec)
BibliographyPlants of the World online powo.science.kew.org
International Plant Names Index www.ipni.org
Comments

ASTERACEAE

Arnica griscomii Fernald, Rhodora 26: 105 (1924)

Synonyms:
Arnica frigida griscomii (Fernald) S.R.Downie
Arnica louiseana griscomii (Fernald) Maguire
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griscomii typica ined.

Synonyms:
Arnica brevifolia Rydb.
Arnica frigida glandulosa B.Boivin
Arnica illiamnae Rydb.
Arnica louiseana brevifolia (Rydb.) Magurie
Arnica louiseana illiamnae (Rydb.) Maguire
Arnica nutans Rydb.
Arnica sancti-laurentii Rydb.
Arnica snyderi Raup

Newfoundland, Quebec
72 NFL QUE

10-1100m

griscomii frigida (C.A.Mey ex Iljin) S.J.Wolf, Taxon 38(1): 142 (1989)

Basionym:
Arnica frigida C.A.Mey. ex Iljin, Trudy Bot. Muz. 19: 112 (1926)

Synonyms:
Arnica louiseana frigida (C.A.Mey. ex Iljin) Maguire

Arnica louiseana mendenhallii (Rydb.) Maguire
Arnica louiseana pilosa Maguire
Arnica mendenhallii Rydb,

Yakutia, Russian Far East, Subarctic America, British Columbia
30 YAK 31 KAM MAG 70 ASK NWT YUK 71 BRC

arctic-subarctic

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