Scientific Name:	Polemonium californicum Eastw.
English Name:	California Jacob's ladder
Classification / Taxonomy
Scientific Name - 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.
Classification Level:	Species
Species Group:	Vascular Plant
Species Code:	POLECAL
Kingdom Phylum Class Order Family Plantae Anthophyta Dicotyledoneae Solanales Polemoniaceae
Conservation Status / Legal Designation
Global Status:	G4? (Jul 2002)
Provincial Status:	S1S3 (Apr 2019)
BC List:	Red
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General Status Canada:
Ecology & Life History
General Description:
Technical Description:
Similar Species:
Habitats: (Type / Subtype / Dependence)	Alpine/Tundra / Alpine Grassland / Facultative - occasional use
Global Habitat Comments:	Open to shaded areas in woodlands 1600-3100 meters (Hickman 1993). Alpine valleys and flats in granitic soils; boreal zones (Abrams 1951).
Provincial Phenology: (1st half of month/ 2nd half of month)
Elevation (m) (min / max):	Provincial:
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Provincial Inventory
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Economic Attributes
Distribution
Endemic:
Global Range Comment:	Olympic Mountains, Washington, and Cascade Ranges, southern British Columbia, east to Idaho, south to the Sierra Nevada, California (Abrams 1951). Also Klamath Ranges and High Cascades in California (Hickman 1993).
Disjunct, more common elsewhere:	N
Peripheral, major distribution elsewhere:	N
Authors / Contributors
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References and Related Literature
No references available

Please visit the website Conservation Status Ranks for definitions of the data fields used in this summary report.

Suggested Citation:

B.C. Conservation Data Centre. Species Summary: Polemonium californicum. B.C. Minist. of Environment. Available: https://a100.gov.bc.ca/pub/eswp/ (accessed Jun 13, 2026).