CNPS

Inventory of Rare and Endangered Plants of California

Species Details

Phacelia cookei

Cooke's phacelia

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Photo by © 1992 Dean Wm. Taylor max-height:128px; max-width:145px;
© 1992 Dean Wm. Taylor 		Photo by © 2011 Genevieve K. Walden max-height:128px; max-width:145px;
© 2011 Genevieve K. Walden

Classification

Scientific Name:
Phacelia cookei Const. & Heckard
Common Name:
Cooke's phacelia
Family: Hydrophyllaceae
Element Code: PDHYD0C0Y0
USDA Plants Symbol: PHCO20
Synonyms/Other Names:

Conservation Status

Fed List: None
State List: None
Global Rank: G1
State Rank:
 S1
CA Rare Plant Rank: 1B.1
Other Status: SB_BerrySB; USFS_S
CRPR Changes:
Add Date: 1974-01-01
Date Edited: 2021-05-26

Ecology and Life History

Lifeform: annual herb
Blooming Period: Jun-Jul
Elevation:
1095 - 1700 meters
3595 - 5580 feet
General Habitat:
  • Great Basin scrub
  • Lower montane coniferous forest
General Micro Habitat: sandy, volcanic
Micro Habitat:

Notes

Notes:
Known from fewer than five occurrences. Threatened by non-native plants, and possibly by fire suppression. See Brittonia 22(1):25-30 (1970) for original description.
Threats:
Taxonomy:
Other:
References:

Occurrence Data from the CNDDB

Total Occurrences: 6
Element Occurrence Ranks:
A B C D X U
1 0 0 0 0 5
Occurrence Status:
Historical >20 Years 4
Recent <=20 Years 2
Presence:
Presumed Extant 6
Possibly Extirpated 0
Presumed Extirpated 0

Location

California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Siskiyou (SIS)
Quads: Name (Quad Code)
Juniper Flat (4112253), The Whaleback (4112252)
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
Print this Map
Counties   Quads
Suggested Citation:
California Native Plant Society, Rare Plant Program. 2021. Inventory of Rare and Endangered Plants of California (online edition, v9-01 0.0). Website https://www.rareplants.cnps.org [accessed date].