Taxon Details

Phacelia insularis var. continentis

North Coast phacelia

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Taxon Summary:

Phacelia insularis var. continentis, commonly known as North Coast phacelia, is a annual herb in the Hydrophyllaceae that is found only in California. It occurs within Coastal bluff scrub, and Coastal dunes, growing at elevations from 10 to 170 meters. Phacelia insularis var. continentis is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

Classification

Scientific Name: Phacelia insularis Munz var. continentis J.T. Howell
Common Name: North Coast phacelia
Family:	Hydrophyllaceae
Element Code:	PDHYD0C2B1
USDA Plants Symbol:	PHINC2
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G2T2
State Rank:	S2
Other Status:	BLM_S; SB_UCBG
CRPR Changes:
Add Date:	1980-01-01
Date Edited:	2024-11-05

Ecology and Life History

Lifeform: annual herb

Blooming Period: Mar-May

Elevation:
10 - 170 meters
35 - 560 feet

General Habitats:

Coastal bluff scrub
Coastal dunes

Microhabitat Details:

Microhabitat:

Rocky (sometimes)
Sandy

Notes

Notes: Known from fewer than twenty occurrences. Threatened by foot traffic, non-native plants, and grazing. See American Midland Naturalist 33:474 (1945) for original description.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	8
	Total EOs	% of EOs
EOs with Threat Listed:	12	80 %
Non-native plant impacts	9	60%
Foot traffic/trampling	7	46%
Grazing	2	13%
Development	2	13%
Erosion/runoff	2	13%
Recreational use (non-ORV)	2	13%
Road/trail construction/maint.	2	13%
Other	1	6%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					15
A	B	C	D	X	U
0	5	4	2	0	4

Occurrence Status:
Historical >20 Years	10
Recent <=20 Years	5

Presence:
Presumed Extant	15
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Marin (MRN), Mendocino (MEN)

Quads: Name (Quad Code)
Drakes Bay (3812218), Fort Bragg (3912347), Inglenook (3912357), Inverness (3812217), Mendocino (3912337), Tomales (3812228)

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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CNPS Rare Plant Inventory