Taxon Details

Valeriana occidentalis

western valerian

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Taxon Summary:

Valeriana occidentalis, commonly known as western valerian, is a perennial rhizomatous herb in the Valerianaceae that is found in California and elsewhere. It occurs within Lower montane coniferous forest, growing at elevations from 1500 to 1800 meters. Valeriana occidentalis is ranked 2B.3, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Not very threatened in California.

Classification

Scientific Name: Valeriana occidentalis Heller
Common Name: western valerian
Family:	Valerianaceae
Element Code:	PDVAL03080
USDA Plants Symbol:	VAOC2
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	2B.3
Fed List:	None
State List:	None
Global Rank:	G5
State Rank:	S1
Other Status:
CRPR Changes:
Add Date:	2001-01-01
Date Edited:	2021-05-26

Ecology and Life History

Lifeform: perennial rhizomatous herb

Blooming Period: Jun-Aug

Elevation:
1500 - 1800 meters
4920 - 5905 feet

General Habitats:

Lower montane coniferous forest (mesic)

Microhabitat Details:

Microhabitat:

Notes

Notes: Known in CA only from the Warner Mtns. See Bulletin of the Torrey Botanical Club 25:269 (1898) for original description, and Annals of the Missouri Botanical Garden 38:415-417 (1951) for taxonomic treatment.
Threats:
Taxonomy:

Threat List Data from the CNDDB

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

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					1
A	B	C	D	X	U
0	0	0	0	0	1

Occurrence Status:
Historical >20 Years	1
Recent <=20 Years	0

Presence:
Presumed Extant	1
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
Arizona (AZ), California (CA), Colorado (CO), Idaho (ID), Montana (MT), Nevada (NV), Oregon (OR), South Dakota (SD), Utah (UT), Washington (WA), Wyoming (WY)

California Counties and Islands: Name (Code)
Modoc (MOD)

Quads: Name (Quad Code)
Fort Bidwell (4112072), Sugar Hill (4112073)

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