Taxon Report

Harmonia nutans (Greene) B.G. Baldwin

nodding harmonia

Print Report

Taxon Summary

Harmonia nutans, commonly known as nodding harmonia, is a annual herb in the Asteraceae that is found only in California. It occurs within Chaparral, and Cismontane woodland, growing at elevations from 75 to 975 meters. Harmonia nutans is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

Classification


Scientific Name:	Harmonia nutans (Greene) B.G. Baldwin
Common Name:	nodding harmonia
Family:	Asteraceae
Element Code:	PDAST650D0
USDA Plants Symbol:	HANU3
Synonyms/Other Names:	Madia nutans (Greene) Keck

Ecology and Life History


Lifeform:	annual herb
Blooming Period: Mar-May	Mar-May
Elevation:	75-975 (245-3200)
General Habitats:	Chaparral, Cismontane woodland
Microhabitat:	Gravelly (sometimes), Rocky (sometimes), Volcanic
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	4.3
Global Rank:	G3
State Rank:	S3
State List:	None
Fed List:	None
Other Status:	SB_UCBG
CRPR Changes:

Occurrence Data from the CNDDB


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

Location


California Endemic: True
California Counties and Islands: Name (Code)
Lake (LAK), Napa (NAP), Solano (SOL), Sonoma (SON), Yolo (YOL)
Quads: Name (Quad Code)
Aetna Springs (3812264), Calistoga (3812255), Capell Valley (3812242), Detert Reservoir (3812265), Guinda (3812272), Kenwood (3812245), Mark West Springs (3812256), Mount St. Helena (3812266), Mt. George (3812232), Napa (3812233), Rutherford (3812244), Sonoma (3812234), St. Helena (3812254), Yountville (3812243)

Threat List Data from the CNDDB


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

Notes



Possibly threatened by development. A synonym of Madia nutans in The Jepson Manual. See Pittonia 2:227 (1892) for original description, and Novon 9:462-471 (1999) for revised nomenclature.
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 12 February 2025].