Arnica rydbergii
| Arnica rydbergii | |
|---|---|
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Arnica |
| Species: | A. rydbergii
|
| Binomial name | |
| Arnica rydbergii | |
| Synonyms[1] | |
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Arnica rydbergii is a North American species of flowering plant in the family Asteraceae, known by the common name Rydberg's arnica or subalpine arnica or subalpine leopardbane.[2][3][4][5] It is native to western Canada (Alberta, British Columbia), and the western United States (Alaska, Washington, Oregon, Utah, Idaho, Montana, Utah, Wyoming, Colorado, South Dakota).[6]
Arnica rydbergii is an herb up to 35 cm (14 inches) tall. Flower heads are yellow, with both ray florets and disc florets. It grows in alpine meadows and rocky slopes at high altitudes in mountainous areas.[2][7]
The species is named for Swedish-American botanist Per Axel Rydberg, 1860–1931.
References
[edit]- ^ The Plant List Arnica rydbergii Greene
- ^ a b Flora of North America, Rydberg’s arnica, Arnica rydbergii
- ^ Montana field guide, Subalpine Arnica - Arnica rydbergii
- ^ Wildflowers West, Subalpine Arnica (Arnica rydbergii)[usurped]
- ^ Paul Slichter, Arnicas East of the Cascade Mts. of Oregon and Washington, Rydberg's Arnica, Subalpine Arnica, Subalpine Leopardbane Arnica rydbergii
- ^ Biota of North America Program 2014 county distribution map
- ^ Greene, Edward Lee 1899. Pittonia 4(20D): 36–37
External links
[edit]- Southwest Colorado Wildflowers photos of several species of Arnica
- The American Southwest
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