Roadless Areas
Home/Species/ Tahquitz Ivesia

Ivesia callida

(Hall) Rydb.

Tahquitz Ivesia

G1Critically Imperiled Found in 3 roadless areas NatureServe Explorer →
G1Critically ImperiledGlobal Rank
LowThreat Impact
Identity
Unique IDELEMENT_GLOBAL.2.132796
Element CodePDROS0X040
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
Endemicendemic to a single state or province
KingdomPlantae
PhylumAnthophyta
ClassDicotyledoneae
OrderRosales
FamilyRosaceae
GenusIvesia
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 Date2016-01-05
Change Date1983-11-10
Edition Date2005-10-24
Edition AuthorsD. Gries, rev. R. Bittman 2005
Threat ImpactLow
Range Extent<100 square km (less than about 40 square miles)
Number of Occurrences1 - 5
Rank Reasons
Endemic to a small area in the southern mountains, California, Ivesia callida is known from two extant occurrences in the San Jacinto Wilderness area in Riverside County. Both sites are more or less protected and each contains an estimated 10000 plants. There are no known threats.
Range Extent Comments
The 2 known EO's only cover about 3.6 sq. mi.
Occurrences Comments
2 EO's known in the world.
Threat Impact Comments
There are no known threats; both known EO's occur in a Wilderness Area.
Ecology & Habitat

Habitat

Crevices in granitic rock, within Red Fir Forest and Montane Coniferous Forest communities. 2410 - 2450 m.
Terrestrial Habitats
Forest/WoodlandForest - ConiferBare rock/talus/scree
Other Nations (1)
United StatesN1
ProvinceRankNative
CaliforniaS1Yes
Plant Characteristics
Economic Value (Genus)No
Roadless Areas (3)
California (3)
AreaForestAcres
Hixon FlatSan Bernardino National Forest8,095
Horse Creek RidgeSan Bernardino National Forest8,969
Rouse HillSan Bernardino National Forest13,745
References (7)
  1. CalFlora. 2005. Information on California plants for education, research and conservation. Berkeley, California: The CalFlora Database [web application]. Available: http://www.calflora.org/. (Accessed 2005)
  2. California Native Plant Society (CNPS). 2001. Inventory of Rare and Endangered Plants of California (sixth edition). Rare Plant Scientific Advisory Committee, David P. Tibor, Convening Editor. California Native Plant Society. Sacramento, CA. x + 388pp.
  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.
  4. Hickman, J. C., ed. 1993. The Jepson manual: Higher plants of California. University of California Press, Berkeley, CA. 1400 pp.
  5. 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.
  6. Munz, P.A., with D.D. Keck. 1959. A California flora. Univ. California Press, Berkeley. 1681 pp.
  7. 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.