Phacelia argentea

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Scientific Name: Phacelia argentea Nels. & Macbr.
Common Name: sand dune phacelia
Family:	Hydrophyllaceae
Element Code:	PDHYD0C070
USDA Plants Symbol:	PHAR
Synonyms/Other Names:

Lifeform: perennial herb

Blooming Period: Jun-Aug

Elevation:
3 - 25 meters
10 - 80 feet

General Habitats:

Microhabitat Details:

Microhabitat:

Notes: See Botanical Gazette 61: 34 (1916) for original description.
Threats: Threatened by coastal development, vehicles, and non-native plants. State-listed as Threatened in OR.
Taxonomy:

THREAT LIST:
Threat List Total:	10
	Total EOs	% of EOs
EOs with Threat Listed:	15	94 %
Non-native plant impacts	11	68%
ORV activity	6	37%
Recreational use (non-ORV)	3	18%
Foot traffic/trampling	2	12%
Landfill	2	12%
Mining	2	12%
Grazing	1	6%
Development	1	6%
Erosion/runoff	1	6%
Road/trail construction/maint.	1	6%

Occurrence Status:
Historical >20 Years	7
Recent <=20 Years	9

California Endemic:

California Island:

States: Name (Code)
California (CA), Oregon (OR)

California Counties and Islands: Name (Code)
Del Norte (DNT)

Quads: Name (Quad Code)
Crescent City (4112472), Smith River (4112482)

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

Presumed Extant

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CNPS Rare Plant Inventory