Taxon Report

Campanula shetleri Heckard

Castle Crags harebell

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Taxon Summary

Campanula shetleri, commonly known as Castle Crags harebell, is a perennial rhizomatous herb in the Campanulaceae that is found only in California. It occurs within Lower montane coniferous forest, growing at elevations from 1220 to 1830 meters. Campanula shetleri is ranked 1B.3, Plants Rare, Threatened or Endangered in California and Elsewhere; Not very threatened in California.

Classification


Scientific Name:	Campanula shetleri Heckard
Common Name:	Castle Crags harebell
Family:	Campanulaceae
Element Code:	PDCAM020W0
USDA Plants Symbol:	CASH3
Synonyms/Other Names:

Ecology and Life History


Lifeform:	perennial rhizomatous herb
Blooming Period: Jun-Sep	Jun-Sep
Elevation:	1220-1830 (4005-6005)
General Habitats:	Lower montane coniferous forest
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.3
Global Rank:	G2
State Rank:	S2
State List:	None
Fed List:	None
Other Status:	BLM_S; SB_BerrySB; USFS_S
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	6
Element Occurrence Ranks:
Excellent (A)	2
Good (B)	1
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	3

Location


California Endemic: True
California Counties and Islands: Name (Code)
Shasta (SHA), Siskiyou (SIS)
Quads: Name (Quad Code)
Dunsmuir (4112223), Seven Lakes Basin (4112224)

Threat List Data from the CNDDB


Threat List Total:	2
EOs with Threat Listed:	Total EOs	% of EOs
	1	17 %
Foot traffic/trampling	1	16%
Recreational use (non-ORV)	1	16%

Notes



Known from fewer than ten occurrences. See Madroño 20(4):231-235 (1969) for original description.
Threats:

Taxonomy:

Selected References

Campanula shetleri account for potential Species of Conservation Concern evaluation (2021)

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 7 November 2025].