Taxon Report

Coptis laciniata A. Gray

Oregon goldthread

Print Report


© 2021 Scot Loring

  Classification

Scientific Name:
Coptis laciniata A. Gray
Common Name:
Oregon goldthread
Family: Ranunculaceae
Element Code: PDRAN0A020
USDA Plants Symbol: COLA3
Synonyms/Other Names:

Ecology and Life History

Lifeform: perennial rhizomatous herb
Blooming Period: (Feb)Mar-May(Sep-Nov) (Feb)Mar-May(Sep-Nov)
Elevation: 0-1000 (0-3280)
General Habitats: Meadows and seeps, North Coast coniferous forest
Microhabitat: Mesic
Microhabitat Details:

Conservation Status

CA Rare Plant Rank: 4.2
Global Rank: G4?
State Rank:
S3?
State List: None
Fed List: None
Other Status:
CRPR Changes:
  • changed from 2B.2 to 4.2 on 2014-09-24
  • changed from 2.2 to 2B.2 on 2013-06-12
  • added to 2.2 on 2006-10-16

Occurrence Data from the CNDDB

Total Occurrences: 122
Element Occurrence Ranks:
   Excellent (A) 17
   Good (B) 53
   Fair (C) 20
   Poor (D) 5
   None (X) 0
   Unknown (U) 27
California Endemic:  False
California Counties and Islands: Name (Code)
Del Norte (DNT), Humboldt (HUM), Mendocino (MEN)
Quads: Name (Quad Code)
Albion (3912327), Bald Hills (4112328), Blake Mountain (4012355), Blue Creek Mtn. (4112347), Blue Lake (4012388), Board Camp Mtn. (4012366), Briceland (4012318), Broken Rib Mtn. (4112386), Cahto Peak (3912365), Cant Hook Mtn. (4112368), Cold Spring (3912315), Comptche (3912335), Dinsmore (4012345), Dutchmans Knoll (3912356), Elk (3912326), Eureka Hill (3812385), Fish Lake (4112336), French Camp Ridge (4112327), Gasquet (4112378), Hales Grove (3912377), Hiouchi (4112471), Holter Ridge (4112338), Hoopa (4112316), Iaqua Buttes (4012368), Inglenook (3912357), Johnsons (4112337), Korbel (4012378), Larabee Valley (4012346), Leggett (3912376), Lincoln Ridge (3912366), Lord-ellis Summit (4012387), Mad River Buttes (4012367), Maple Creek (4012377), Mathison Peak (3912336), Mendocino (3912337), Navarro (3912325), Northspur (3912345), Noyo Hill (3912346), Owl Creek (4012358), Panther Creek (4112318), Point Arena (3812386), Sherwood Peak (3912355), Showers Mtn. (4012356), Weitchpec (4112326), Willow Creek (4012386)

Threat List Data from the CNDDB

Threat List Total: 10
EOs with Threat Listed: Total EOs % of EOs
84 69 %
Logging 71 58%
Erosion/runoff 17 13%
Other 15 12%
Road/trail construction/maint. 12 9%
Foot traffic/trampling 11 9%
Altered flood/tidal/hydrologic regime 3 2%
Biocides 1 0%
Development 1 0%
Grazing 1 0%
Wood cutting or brush clearing 1 0%

Notes

Previously CRPR 2B.2; more common than originally known. Potentially threatened by erosion and timber harvest activities. See The Botanical Gazette 12:297 (1887) for original description.
Threats:
Taxonomy:

Selected References

CRPR List Addition on 2006-10-16
CRPR List Change on 2014-09-24
USFS Potential Species of Conservation Concern Profile
Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 7 January 2025].