Species Details

Arnica viscosa

Mt. Shasta arnica

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Classification

Scientific Name: Arnica viscosa Gray
Common Name: Mt. Shasta arnica
Family:	Asteraceae
Element Code:	PDAST0Q0R0
USDA Plants Symbol:	ARVI6
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	4.3
Fed List:	None
State List:	None
Global Rank:	G4
State Rank:	S3
Other Status:	SB_CalBG/RSABG
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2023-05-02

Ecology and Life History

Lifeform: perennial rhizomatous herb

Blooming Period: Aug-Sep

Elevation:
1705 - 2745 meters
5595 - 9005 feet

General Habitats:

Subalpine coniferous forest
Upper montane coniferous forest

Microhabitat Details:

Microhabitat:

Rocky

Notes

Notes: Endangered in OR. See Proceedings of the American Academy of Arts and Sciences 13:374 (1878) for original description.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	0
	Total EOs	% of EOs
EOs with Threat Listed:	0	0 %

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					0
A	B	C	D	X	U
0	0	0	0	0	0

Occurrence Status:
Historical >20 Years	0
Recent <=20 Years	0

Presence:
Presumed Extant	0
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA), Oregon (OR)

California Counties and Islands: Name (Code)
Shasta (SHA), Siskiyou (SIS), Trinity (TRI)

Quads: Name (Quad Code)
Boulder Peak (4112351), Devils Punchbowl (4112376), English Peak (4112342), Figurehead Mtn. (4112383), McCloud (4112232), Medicine Mtn. (4112343), Mt. Hilton (4012381), Mt. Shasta (4112242), Preston Peak (4112375), Rainbow Mtn. (4112148), Thompson Peak (4112311), Ycatapom Peak (4112217)

Notes:

Definitions of codes following a county and/or quad:
*		Presumed extirpated
(?)		Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.

Regional Map

Map

Presumed Extant

Click on quad for name. Hold Shift Key to use mouse scroll wheel

CNPS Rare Plant Inventory