Species Details

Clarkia borealis ssp. borealis

northern clarkia

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Classification

Scientific Name: Clarkia borealis E. Small ssp. borealis
Common Name: northern clarkia
Family:	Onagraceae
Element Code:	PDONA05062
USDA Plants Symbol:	CLBOB
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	4.3
Fed List:	None
State List:	None
Global Rank:	G3T4
State Rank:	S4
Other Status:	SB_UCSC; USFS_S
CRPR Changes: changed from 1B.3 to 4.3 on 2020-03-16
Add Date:	1980-01-01
Date Edited:	2024-11-05

Ecology and Life History

Lifeform: annual herb

Blooming Period: Jun-Sep

Elevation:
400 - 1565 meters
1310 - 5135 feet

General Habitats:

Chaparral
Cismontane woodland
Lower montane coniferous forest

Microhabitat Details: often roadcuts

Microhabitat:

Roadsides (often)

Notes

Notes:
Threats: Possibly threatened by non-native plants. Potentially threatened by timber harvest activities.
Taxonomy: Distinctiveness from ssp. arida needs study.

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	12
	Total EOs	% of EOs
EOs with Threat Listed:	103	79 %
Logging	80	61%
Road/trail construction/maint.	50	38%
Other	9	6%
Non-native plant impacts	6	4%
Erosion/runoff	5	3%
Biocides	4	3%
ORV activity	2	1%
Recreational use (non-ORV)	1	0%
Altered flood/tidal/hydrologic regime	1	0%
Foot traffic/trampling	1	0%
Improper burning regime	1	0%
Wood cutting or brush clearing	1	0%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					131
A	B	C	D	X	U
16	75	16	0	0	24

Occurrence Status:
Historical >20 Years	14
Recent <=20 Years	117

Presence:
Presumed Extant	131
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Shasta (SHA), Trinity (TRI)

Quads: Name (Quad Code)
Big Bend (4112118), Bohemotash Mtn. (4012274), Bollibokka Mtn. (4012282), Chalk Mtn. (4012187), Chicken Hawk Hill (4112214), Damnation Peak (4012285), Devils Rock (4012271), Goose Gap (4012281), Hanland Peak (4012283), Lamoine (4012284), Miller Mtn. (4012167), Minnesota Mtn. (4012272), Montgomery Creek (4012178), O'Brien (4012273), Papoose Creek (4012276), Project City (4012263), Roaring Creek (4012188), Schell Mtn. (4012275), Shasta Dam (4012264), Shoeinhorse Mtn. (4112211), Skunk Ridge (4112117), Tombstone Mtn. (4112213), Trinity Center (4012286), Whitmore (4012168), Yellowjacket Mtn. (4112212)

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

Click on quad for name. Hold Shift Key to use mouse scroll wheel

Selected References

CNPS Status Review:	CRPR List Change on 2020-03-16
Other:	USFS Potential Species of Conservation Concern Profile