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Clarkia delicata

(Abrams) A. Nels. & J.F. Macbr.

Delicate Clarkia

G3Vulnerable Found in 2 roadless areas NatureServe Explorer →
G3VulnerableGlobal Rank
Identity
Unique IDELEMENT_GLOBAL.2.157107
Element CodePDONA050D0
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
Endemicoccurs (regularly, as a native taxon) in multiple nations
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.
Conservation Status
Rank MethodLegacy Rank calculation - Excel v3.1x
Review Date2013-08-07
Change Date2013-08-07
Edition Date2001-05-23
Edition AuthorsGries, D. (1999), rev. L. Morse (1999), rev. L. McDonald (2001); rev. R. Bittman (2013)
Number of Occurrences6 - 20
Rank Reasons
Clarkia delicata is known only from San Diego County, California, and northern Baja California, Mexico. In California, the species is known from seventeen occurrences that are presumed extant and from one extirpated occurrence. The plant is threatened by development and road improvements.
Range Extent Comments
Known only from San Diego County, California, U.S.A., and from Baja California, Mexico (California Department of Fish and Game 1997; Lewis and Lewis, 1955).
Occurrences Comments
Known from seventeen occurrences (presumed extant) and one extirpated occurrence in California (California Department of Fish and Game 1997). Lewis and Lewis (1955) base their Baja California record on an 1885 collection from Tijuana.
Threat Impact Comments
Many occurrences are threatened by proposed development and road widening (California Department of Fish and Game 1997, CNPS 2001, CNDDB 2003).
Ecology & Habitat

Habitat

Cismontane woodland, chapparal; 235-1000 m (California Department of Fish and Game 1997).
Terrestrial Habitats
Forest/WoodlandWoodland - HardwoodShrubland/chaparral
Other Nations (1)
United StatesN3
ProvinceRankNative
CaliforniaS3Yes
Plant Characteristics
Economic Value (Genus)No
Roadless Areas (2)
California (2)
AreaForestAcres
Eagle PeakCleveland National Forest6,481
Pine CreekCleveland National Forest503
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. Lewis, Harlan, and Margaret Ensign Lewis. 1955. The genus Clarkia. University of California Publications in Botany 20(4): 241-392.
  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.