Species Details

Packera bolanderi var. bolanderi

seacoast ragwort

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Photo of Packera bolanderi var. bolanderi
© 2021 Scot Loring
Photo of Packera bolanderi var. bolanderi
©2015 Adrienne Simmons
Photo of Packera bolanderi var. bolanderi
© 2005 Cheri J. Sanville
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:
CA Rare Plant Rank: 2B.2
Fed List: None
State List: None
Global Rank: G4T4
State Rank:
Other Status:
CRPR Changes:
changed from 2.2 to 2B.2 on 2013-06-12
Add Date: 2001-01-01
Date Edited: 2022-08-02
Lifeform: perennial rhizomatous herb
Blooming Period: (Jan-Apr)May-Jul(Aug)
30 - 650 meters
100 - 2135 feet
General Habitat:
  • Coastal scrub
  • North Coast coniferous forest
General Micro Habitat:
Micro Habitat:
  • Roadsides (sometimes)

Possibly threatened by logging, road maintenance, and erosion.

Total Occurrences: 72
Element Occurrence Ranks:
7 29 6 2 0 28
Occurrence Status:
Historical >20 Years 15
Recent <=20 Years 57
Presumed Extant 72
Possibly Extirpated 0
Presumed Extirpated 0
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)
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
Counties   Quads
Original Description: Proceedings of the American Academy of Arts and Sciences 7:362 (1868)
Revised Nomenclature: Phytologia 49(1): 44-50 (1981)
Taxonomic Treatment: The Jepson Manual (1993), see Senecio bolanderi var. bolanderi
Species Account: Packera bolanderi var. bolanderi profile for potential Species of Conservation Concern evaluation (2018)