Species Details

Packera bolanderi var. bolanderi

seacoast ragwort

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Photo of Packera bolanderi var. bolanderi

Classification

Scientific Name: Packera bolanderi (A. Gray) W.A. Weber & A. Love var. bolanderi
Common Name: seacoast ragwort
Family:	Asteraceae
Element Code:	PDAST8H0H1
USDA Plants Symbol:	PABOB
Synonyms/Other Names: Senecio bolanderi A. Gray var. bolanderi

Conservation Status

CA Rare Plant Rank:	2B.2
Fed List:	None
State List:	None
Global Rank:	G4T4
State Rank:	S2S3
Other Status:
CRPR Changes: changed from 2.2 to 2B.2 on 2013-06-12
Add Date:	2001-01-01
Date Edited:	2023-06-06

Ecology and Life History

Lifeform: perennial rhizomatous herb

Blooming Period: (Jan-Apr)May-Jul(Aug)

Elevation:
30 - 650 meters
100 - 2135 feet

General Habitats:

Coastal scrub
North Coast coniferous forest

Microhabitat Details:

Microhabitat:

Roadsides (sometimes)

Notes

Notes:
Threats: Possibly threatened by logging, road maintenance, and erosion.
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	8
	Total EOs	% of EOs
EOs with Threat Listed:	39	54 %
Logging	36	50%
Erosion/runoff	15	20%
Road/trail construction/maint.	13	18%
Other	7	9%
Foot traffic/trampling	4	5%
Non-native plant impacts	2	2%
Biocides	1	1%
Wood cutting or brush clearing	1	1%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					72
A	B	C	D	X	U
7	29	6	2	0	28

Occurrence Status:
Historical >20 Years	15
Recent <=20 Years	57

Presence:
Presumed Extant	72
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

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

California Counties and Islands: Name (Code)
Del Norte (DNT), Humboldt (HUM), Mendocino (MEN)

Quads: Name (Quad Code)
Cant Hook Mtn. (4112368), Crannell (4112411), Crescent City (4112472), Fort Bragg (3912347), Gasquet (4112378), High Divide (4112481), Hiouchi (4112471), Hydesville (4012451), Iaqua Buttes (4012368), Mad River Buttes (4012367), Mathison Peak (3912336), Mendocino (3912337), Myers Flat (4012337), Noyo Hill (3912346), Owl Creek (4012358), Panther Creek (4112318), Redcrest (4012348), Scotia (4012441), Sister Rocks (4112462), Taylor Peak (4012442)

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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Selected References

Original Description:	Proceedings of the American Academy of Arts and Sciences 7:362 (1868)
Revised Nomenclature:	Phytologia 49(1): 44-50 (1981)
Species Account:	Packera bolanderi var. bolanderi profile for potential Species of Conservation Concern evaluation (2018)