E-Flora BC: Electronic Atlas of the Flora of British Columbia

Arnica sororia Greene
twin arnica (orange arnica)
Asteraceae (Aster family)

Introduction to Vascular Plants

© Paul Handford  Email the photographer   (Photo ID #68565)

E-Flora BC Static Map
Distribution of Arnica sororia
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Ecology

Ecological Framework for Arnica sororia

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)

Site Information
Value / Class

Minimum

Average

Maximum

Elevation (metres) 1100 1415 1695
Slope Gradient (%) 9 35 72
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
106 163 290
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
2 3 4
Modal Nutrient Regime
Class
C
Number of field plots
 species was recorded in:
5
Modal BEC Zone Class
MS
All BEC Zones (# of stations/zone) species was recorded in: ESSF(1), IDF(2), MS(2)

Synonyms and Alternate Names

Arnica fulgens var. sororia (Greene) G.W. Douglas & G. Ruyle-Douglas

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References