Species Details

Smithiastrum wilkinsianum

Wilkin's harebell

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Classification

Scientific Name: Smithiastrum wilkinsianum (Greene) Morin
Common Name: Wilkin's harebell
Family:	Campanulaceae
Element Code:	PDCAM020Z0
USDA Plants Symbol:	CAWI8
Synonyms/Other Names: Campanula wilkinsiana

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G2
State Rank:	S2
Other Status:	SB_CalBG/RSABG; USFS_S
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2023-01-13

Ecology and Life History

Lifeform: perennial rhizomatous herb

Blooming Period: Jul-Sep

Elevation:
1270 - 2600 meters
4165 - 8530 feet

General Habitats:

Meadows and seeps
Subalpine coniferous forest
Upper montane coniferous forest

Microhabitat Details:

Microhabitat:

Notes

Notes: Threatened by grazing, recreational activities, and trail construction.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	10
	Total EOs	% of EOs
EOs with Threat Listed:	12	50 %
Foot traffic/trampling	6	25%
Recreational use (non-ORV)	6	25%
Logging	5	20%
Surface water diversion	4	16%
Road/trail construction/maint.	3	12%
Altered flood/tidal/hydrologic regime	2	8%
Development	1	4%
Erosion/runoff	1	4%
Grazing	1	4%
Non-native plant impacts	1	4%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					24
A	B	C	D	X	U
1	7	4	0	0	12

Occurrence Status:
Historical >20 Years	12
Recent <=20 Years	12

Presence:
Presumed Extant	24
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Siskiyou (SIS), Trinity (TRI)

Quads: Name (Quad Code)
Ash Creek Butte (4112241), Boulder Peak (4112351), Caribou Lake (4112218), Covington Mill (4012287), Elk Spring (4112231), McCloud (4112232), Mt. Hilton (4012381), Mt. Shasta (4112242), Siligo Peak (4012288), Thompson Peak (4112311)

Notes:

Definitions of codes following a county and/or quad:
*		Presumed extirpated
(?)		Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.

Regional Map

Map

Presumed Extant

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Selected References

CNPS Name Change:	Non-Substantive Name Changes: Multiple taxa in Campanulaceae (2022-12-19)
Revised Nomenclature:	Phytoneuron 2020-49: 1–46 (2020)
Other:	USFS Potential Species of Conservation Concern Profile