Home/Species/ Yosemite Ivesia

Ivesia unguiculata

Gray

Yosemite Ivesia

G3Vulnerable Found in 1 roadless area NatureServe Explorer →

G3VulnerableGlobal Rank

Identity

Unique IDELEMENT_GLOBAL.2.160630

Element CodePDROS0X0N0

Record TypeSPECIES

ClassificationSpecies

Classification StatusStandard

Name CategoryVascular Plant

Endemicendemic to a single state or province

KingdomPlantae

PhylumAnthophyta

ClassDicotyledoneae

OrderRosales

FamilyRosaceae

GenusIvesia

Other Common Names

Yosemite mousetail (EN) Yosemite Mousetail (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

Review Date2014-09-09

Change Date2001-05-18

Edition Date1998-03-23

Edition AuthorsGries, D., and M. Martinez.

Rank Reasons

California endemic known from 25 presumed extant occurrences, eleven of which are historic. Overall there are hundreds of thousands of individuals (as of 1991). Threats include grazing, irrigation, and trampling.

Range Extent Comments

California endemic, Fresno, Madera, and Mariposa Counties (Skinner, 1997).

Occurrences Comments

Known from 27 element occurrences: 16 recent, 11 historic, one possibly extirpated and one extirpated; eight are in excellent or good condition (California Department of Fish and Game, 1997).

Threat Impact Comments

Threatened by grazing, trail traffic and maintenance, irrigation, off-road vehicles, logging. One population extirpated due to condominium and other developments. Unclear if in some cases grazing is actually beneficial to this species (California Department of Fish and Game, 1997).

Ecology & Habitat

Habitat

Meadows, subalpine coniferous forest, upper montane coniferous forest (Skinner, 1997).

Other Nations (1)

United StatesN3

Province	Rank	Native
California	S3	Yes

Plant Characteristics

Economic Value (Genus)No

Roadless Areas (1)

California (1)

Area	Forest	Acres
Dinkey Lakes	Sierra National Forest	34,171

References (3)

Flora of North America Editorial Committee (FNA). 2014b. Flora of North America north of Mexico. Vol. 9. Magnoliophyta: Picramniaceae to Rosaceae. Oxford University Press, New York. xxiv + 713 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.