Species Details

Arnica venosa

Shasta County arnica

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Classification

Scientific Name: Arnica venosa Hall
Common Name: Shasta County arnica
Family:	Asteraceae
Element Code:	PDAST0Q0Q0
USDA Plants Symbol:	ARVE
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	4.2
Fed List:	None
State List:	None
Global Rank:	G3
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: May-Jul(Sep)

Elevation:
335 - 1490 meters
1100 - 4890 feet

General Habitats:

Cismontane woodland
Lower montane coniferous forest

Microhabitat Details:

Microhabitat:

Disturbed areas (often)
Roadsides (often)

Notes

Notes: Threatened by logging. Possibly threatened by grazing and vehicles. Some plants seem intermediate to A. discoidea.
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)

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

Quads: Name (Quad Code)
Bohemotash Mtn. (4012274), Bollibokka Mtn. (4012282), Carrville (4112216), Chicken Hawk Hill (4112214), Covington Mill (4012287), Damnation Peak (4012285), Dunsmuir (4112223), French Gulch (4012266), Girard Ridge (4112222), Hanland Peak (4012283), Igo (4012255), Lamoine (4012284), Minnesota Mtn. (4012272), Mumbo Basin (4112225), O'Brien (4012273), Papoose Creek (4012276), Platina (4012238), Project City (4012263), Schell Mtn. (4012275), Shasta Dam (4012264), Shoeinhorse Mtn. (4112211), Tangle Blue Lake (4112226), Tombstone Mtn. (4112213), Trinity Center (4012286), Trinity Dam (4012277), Whiskeytown (4012265), Whisky Bill Peak (4112215), Ycatapom Peak (4112217), Yellowjacket Mtn. (4112212)

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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CNPS Rare Plant Inventory