Home/Species/ Hall's Rupertia

Rupertia hallii

(Rydb.) J. Grimes

Hall's Rupertia

G2Imperiled (G2G3) Found in 4 roadless areas NatureServe Explorer →

G2ImperiledGlobal Rank

HighThreat Impact

Identity

Unique IDELEMENT_GLOBAL.2.139005

Element CodePDFAB62010

Record TypeSPECIES

ClassificationSpecies

Classification StatusStandard

Name CategoryVascular Plant

Endemicendemic to a single state or province

KingdomPlantae

PhylumAnthophyta

ClassDicotyledoneae

OrderFabales

FamilyFabaceae

GenusRupertia

Other Common Names

Hall's California-tea (EN)

Concept Reference

Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.

Conservation Status

Rank MethodLegacy Rank calculation - Excel v3.1x

Review Date2014-01-07

Change Date2014-01-07

Edition Date2014-01-07

Edition AuthorsD. Gries, rev. R. Bittman 2005, rev. Treher (2017)

Threat ImpactHigh

Range Extent100-250 square km (about 40-100 square miles)

Number of Occurrences21 - 80

Rank Reasons

Endemic to California, Rupertia hallii is known from a narrow range in Butte and Tehama Counties in the High Cascade Range. Within its range is is relatively abundant, with about 50,000 plants over about 850 acres of occupied land. However, the plant occurs in timbered areas where several disturbances may threaten it.

Range Extent Comments

California endemic found in Butte and Tehama Counties in the High Cascade Range.

Occurrences Comments

CNDDB knows of about 39 EO's, all of which are presumed extant.

Threat Impact Comments

Most sites are threatened by logging activities including timber harvest or road building/maintenance. A few sites list recreation as a threat or ORVs. The plant can withstand some disturbance.

Ecology & Habitat

Habitat

Openings in Cismontane woodland, lower montane coniferous forest; 885 to 2250 m (Skinner, 1997).

Terrestrial Habitats

Forest/WoodlandForest - ConiferWoodland - Mixed

Other Nations (1)

United StatesN2

Province	Rank	Native
California	S2	Yes

Plant Characteristics

Economic Value (Genus)No

Roadless Areas (4)

California (4)

Area	Forest	Acres
Cub Creek	Lassen National Forest	8,643
Ishi	Lassen National Forest	21,805
Mill Creek	Lassen National Forest	7,587
Polk Springs	Lassen National Forest	9,466

References (3)

Hickman, J. C., ed. 1993. The Jepson manual: Higher plants of California. University of California Press, Berkeley, CA. 1400 pp.
Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Skinner, M.W., and B.M. Pavlik, eds. 1997 (1994). Inventory of rare and endangered vascular plants of California. 1997 Electronic Inventory Update of 1994 5th edition, California Native Plant Society, Special Publication No. 1, Sacramento.