Taxon Details

Ribes hudsonianum var. petiolare

western black currant

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Taxon Summary:

Ribes hudsonianum var. petiolare, commonly known as western black currant, is a perennial deciduous shrub in the Grossulariaceae that is found in California and elsewhere. It occurs within Riparian scrub, growing at elevations from 1500 to 2230 meters. Ribes hudsonianum var. petiolare is ranked 2B.3, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Not very threatened in California.

Classification

Scientific Name: Ribes hudsonianum Richards. var. petiolare (Dougl.) Jancz.
Common Name: western black currant
Family:	Grossulariaceae
Element Code:	PDGRO020N2
USDA Plants Symbol:	RIHUP
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:	G5T5
State Rank:	S2
Other Status:
CRPR Changes:
Add Date:	1988-01-01
Date Edited:	2022-08-02

Ecology and Life History

Lifeform: perennial deciduous shrub

Blooming Period: May-Jul

Elevation:
1500 - 2230 meters
4920 - 7315 feet

General Habitats:

Riparian scrub

Microhabitat Details:

Microhabitat:

Notes

Notes:
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	2
	Total EOs	% of EOs
EOs with Threat Listed:	2	33 %
Recreational use (non-ORV)	2	33%
Road/trail construction/maint.	2	33%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					6
A	B	C	D	X	U
2	0	0	0	0	4

Occurrence Status:
Historical >20 Years	5
Recent <=20 Years	1

Presence:
Presumed Extant	6
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA), Idaho (ID), Montana (MT), Nevada (NV), Oregon (OR), Utah (UT), Washington (WA), Wyoming (WY)

California Counties and Islands: Name (Code)
Lassen (LAS), Modoc (MOD), Siskiyou (SIS)

Quads: Name (Quad Code)
Dorris Reservoir (4112044), Emerson Peak (4112022), Jess Valley (4112023), Secret Spring Mtn. (4112282), Shields Creek (4112043), Snake Lake (4112021)

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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Species Account:	Ribes hudsonianum var. petiolare profile for potential Species of Conservation Concern evaluation (2017)
Other:	USFS Potential Species of Conservation Concern Profile

CNPS Rare Plant Inventory