Species Details

Phacelia argentea

sand dune phacelia

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Photo of Phacelia argentea
© 2012 Genevieve K Walden
Photo of Phacelia argentea
©2019 John Doyen
Photo of Phacelia argentea
© 2020 Zoya Akulova
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
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Elevation:
3 - 25 meters
10 - 80 feet
General Habitats:
  • Coastal dunes
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 Total: 10
Total EOs % of EOs
EOs with Threat Listed: 15 94 %
THREAT LIST:
Non-native plant impacts 11 68%
ORV activity 6 37%
Recreational use (non-ORV) 3 18%
Foot traffic/trampling 2 12%
Landfill 2 12%
Total Occurrences: 16
Element Occurrence Ranks:
A B C D X U
3 11 1 0 0 1
Occurrence Status:
Historical >20 Years 7
Recent <=20 Years 9
Presence:
Presumed Extant 16
Possibly Extirpated 0
Presumed Extirpated 0
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.
Presumed Extant
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