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:
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2021-09-27

Ecology and Life History

Lifeform: perennial rhizomatous herb
Blooming Period: Aug-Sep
Elevation: 1705 - 2745 meters 5595 - 9005 feet
General Habitat: Subalpine coniferous forest Upper montane coniferous forest
General Micro Habitat:
Micro Habitat: Rocky

Notes

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

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)
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

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Counties Quads

CNPS Rare Plant Inventory