Taxon Report

Packera bolanderi (A. Gray) W.A. Weber & A. Love var. bolanderi

seacoast ragwort

Print Report


© 2021 Scot Loring

  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

Ecology and Life History

Lifeform: perennial rhizomatous herb
Blooming Period: (Jan-Apr)May-Jul(Aug) (Jan-Apr)May-Jul(Aug)
Elevation: 30-650 (100-2135)
General Habitats: Coastal scrub, North Coast coniferous forest
Microhabitat: Roadsides (sometimes)
Microhabitat Details:

Conservation Status

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

Occurrence Data from the CNDDB

Total Occurrences: 72
Element Occurrence Ranks:
   Excellent (A) 7
   Good (B) 29
   Fair (C) 6
   Poor (D) 2
   None (X) 0
   Unknown (U) 28
California Endemic:  False
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)

Threat List Data from the CNDDB

Threat List Total: 8
EOs with Threat Listed: Total EOs % of EOs
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%

Notes

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

Selected References

Proceedings of the American Academy of Arts and Sciences 7:362 (1868)
Phytologia 49(1): 44-50 (1981)
Packera bolanderi var. bolanderi profile for potential Species of Conservation Concern evaluation (2018)
Citation California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 25 December 2024].