CNPS

CNPS Rare Plant Inventory



Taxon Details

Dicentra formosa ssp. oregana

Oregon bleeding heart

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Photo of Dicentra formosa ssp. oregana
©2008 Keir Morse 		Photo of Dicentra formosa ssp. oregana
©2010 Aaron Schusteff 		Photo of Dicentra formosa ssp. oregana
©2020 John Doyen

Taxon Summary:

Dicentra formosa ssp. oregana, commonly known as Oregon bleeding heart, is a perennial herb in the Papaveraceae that is found in California and elsewhere. It occurs within Lower montane coniferous forest, growing at elevations from 425 to 1485 meters. Dicentra formosa ssp. oregana is ranked 4.2, Plants of Limited Distribution, A Watch List; Moderately threatened in California.

  Classification

Scientific Name:
Dicentra formosa (Haw.) Walp. ssp. oregana (Eastw.) Munz
Common Name:
Oregon bleeding heart
Family: Papaveraceae
Element Code: PDFUM04052
USDA Plants Symbol:
Synonyms/Other Names:
Name Status: JEF, FNA, POWO,
IPNI, Tropicos

  Conservation Status

CA Rare Plant Rank: 4.2
Fed List: None
State List: None
Global Rank: G5T4
State Rank:
 S3
Other Status:
CRPR Changes:
Add Date: 1974-01-01
Date Edited: 2021-05-26

  Ecology and Life History

Lifeform: perennial herb
Blooming Period: Apr-May
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Elevation:
425 - 1485 meters
1395 - 4870 feet
General Habitats:
  • Lower montane coniferous forest (serpentinite)
Microhabitat Details:
Microhabitat:

  Notes

Notes:
Possibly threatened by logging. Commercially exploited in OR; on watch list. See D. formosa in TJM (1993) and TJM 2. See Proceedings of the California Academy of Sciences IV 20:144 (1931) for original description, and Brittonia 13:1-57 (1961) for taxonomic treatment.
Threats:
Taxonomy:

  Threat List Data from the CNDDB

Threat List Total: 0
Total EOs % of EOs
EOs with Threat Listed: 0 0 %
THREAT LIST:

  Occurrence Data from the CNDDB

Total Occurrences: 0
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 0
Occurrence Status:
Historical >20 Years 0
Recent <=20 Years 0
Presence:
Presumed Extant 0
Possibly Extirpated 0
Presumed Extirpated 0

  Location

California Endemic:
California Island:
States: Name (Code)
California (CA), Oregon (OR)
California Counties and Islands: Name (Code)
Del Norte (DNT), Humboldt (HUM), Shasta (SHA), Siskiyou (SIS)
Quads: Name (Quad Code)
Blue Creek Mtn. (4112347), Broken Rib Mtn. (4112386), Cant Hook Mtn. (4112368), Chimney Rock (4112356), Condrey Mtn. (4112288), Deadman Point (4112384), Fish Lake (4112336), Gasquet (4112378), Happy Camp (4112374), High Divide (4112481), High Plateau Mtn. (4112388), Hiouchi (4112471), Horse Creek (4112278), Johnsons (4112337), Klamath Glen (4112358), Lonesome Ridge (4112346), Platina (4012238), Polar Bear Mtn. (4112385), Seiad Valley (4112372), Shelly Creek Ridge (4112387), Ship Mountain (4112367), Slater Butte (4112373), Smith River (4112482), Summit Valley (4112357)
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
Click on quad for name. Hold Shift Key to use mouse scroll wheel

  Selected References

Other: USFS Potential Species of Conservation Concern Profile

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Suggested Citation:
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 20 July 2025].
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