Taxon Report

Meconella oregana Nutt.

Oregon meconella

Print Report

Taxon Summary

Meconella oregana, commonly known as Oregon meconella, is a annual herb in the Papaveraceae that is found in California and elsewhere. It occurs within Coastal prairie, and Coastal scrub, growing at elevations from 250 to 620 meters. Meconella oregana is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.

Classification


Scientific Name:	Meconella oregana Nutt.
Common Name:	Oregon meconella
Family:	Papaveraceae
Element Code:	PDPAP0G030
USDA Plants Symbol:	MEOR
Synonyms/Other Names:

Ecology and Life History


Lifeform:	annual herb
Blooming Period: Mar-Apr	Mar-Apr
Elevation:	250-620 (820-2035)
General Habitats:	Coastal prairie, Coastal scrub
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.1
Global Rank:	G2
State Rank:	S2
State List:	None
Fed List:	None
Other Status:	SB_CalBG/RSABG
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	9
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	1
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	8

Location


California Endemic: False
California Counties and Islands: Name (Code)
Contra Costa (CCA), Monterey (MNT), San Luis Obispo (SLO), Santa Clara (SCL)
Quads: Name (Quad Code)
Briones Valley (3712282), Carmel Valley (3612146), Isabel Valley (3712135), Oakland East (3712272), Spreckels (3612156), York Mountain (3512057)

Threat List Data from the CNDDB


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

Notes



Known in CA only from five occurrences. Threatened by alteration of fire regimes. Candidate for state listing in OR, and state-listed as Threatened in WA. Not in The Jepson Manual.
Threats:

Taxonomy:

Selected References

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 November 2025].