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

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

Introduction to Vascular Plants

Photograph

Map

Distribution of Arnica sororia
Click here to view the full interactive map and legend

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
Site Information	Avg	Min	Max
Elevation (metres)	1415	1100	1695
Slope Gradient (%)	35	9	72
Aspect (degrees) [0 - N; 90 - E; 180 - S; 270 - W]	163	106	290
Soil Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric]	3	2	4
Modal Nutrient Regime Class	C
# 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)
Source: Klinkenberg 2013

Status Information

Origin Status	Provincial Status	BC List (Red Blue List)	COSEWIC
Native	S5	Yellow	Not Listed

BC Ministry of Environment: BC Species and Ecosystems Explorer.

Synonyms

Synonyms and Alternate Names:
Arnica fulgens var. sororia (Greene) G.W. Douglas & G. Ruyle-Douglas