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Clarkia australis

E. Small

Small Southern Clarkia

G2Imperiled Found in 1 roadless area NatureServe Explorer →
G2ImperiledGlobal Rank
High - mediumThreat Impact
Identity
Unique IDELEMENT_GLOBAL.2.127922
Element CodePDONA05040
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
Endemicendemic to a single state or province
KingdomPlantae
PhylumAnthophyta
ClassDicotyledoneae
OrderMyrtales
FamilyOnagraceae
GenusClarkia
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.
Taxonomic Comments
This species (Clarkia australis) is a different plant than the subspecies Clarkia biloba ssp. australis (cf. Kartesz, 1999 checklist).
Conservation Status
Review Date2016-07-26
Change Date1997-03-18
Edition Date1998-03-20
Edition AuthorsD. Gries
Threat ImpactHigh - medium
Rank Reasons
Endemic to California, Clarkia australis is known from twenty-eight occurrences in Madera, Mariposa, and Tuolumne Counties. Fifteen of the twenty-eight occurrences comprise approximately 6,300 individuals. This species is threatened by logging, reforestation with herbicides, grazing, and road maintenance.
Range Extent Comments
California endemic, Madera, Mariposa, and Tuolumne Counties (Skinner, 1997).
Occurrences Comments
Known from twenty-eight occurrences (California Department of Fish and Game 1997).
Threat Impact Comments
Threatened by logging, reforestation with herbicides, grazing, and road maintenance (Skinner 1997, California Department of Fish and Game 1997). This species is still threatened by logging (CPNS 2001, CNDDB 2003).
Ecology & Habitat

Habitat

Cismontane woodland, lower montane coniferous forest, yellow-pine forest; 800 to 2075 m (Skinner, 1997 and Hickman, 1993).
Terrestrial Habitats
Forest/WoodlandForest - ConiferWoodland - Mixed
Other Nations (1)
United StatesN2
ProvinceRankNative
CaliforniaS2Yes
Plant Characteristics
Economic Value (Genus)No
Roadless Areas (1)
California (1)
AreaForestAcres
North MountainStanislaus National Forest7,856
References (8)
  1. California Department of Fish and Game. 1997. RareFind 2 personal computer program. Information dated March 1999. Sacramento, California.
  2. California Department of Fish and Game. 2000. Natural Diversity Database (RareFind 2), Version 2.1.2, January 25, 2000. Downloaded in 2003.
  3. 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.
  4. Flora of North America Editorial Committee (FNA). 2021. Flora of North America north of Mexico. Vol. 10. Magnoliophyta: Proteaceae to Elaeagnaceae. Oxford Univ. Press, New York. xxiv + 456 pp.
  5. Hickman, J. C., ed. 1993. The Jepson manual: Higher plants of California. University of California Press, Berkeley, CA. 1400 pp.
  6. 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.
  7. Munz, P.A., with D.D. Keck. 1959. A California flora. Univ. California Press, Berkeley. 1681 pp.
  8. 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.