Taxon Report

Lomatium hooveri (Math. & Const.) Const. & Ertter

Hoover's lomatium

Print Report

Taxon Summary

Lomatium hooveri, commonly known as Hoover's lomatium, is a perennial herb in the Apiaceae that is found only in California. It occurs within Chaparral, and Cismontane woodland, growing at elevations from 300 to 885 meters. Lomatium hooveri is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

Classification


Scientific Name:	Lomatium hooveri (Math. & Const.) Const. & Ertter
Common Name:	Hoover's lomatium
Family:	Apiaceae
Element Code:	PDAPI1B2K0
USDA Plants Symbol:	LOHO3
Synonyms/Other Names:	Loamatium ciliolatum Jeps. var. hooveri Math. & Const.

Ecology and Life History


Lifeform:	perennial herb
Blooming Period: Apr-Jul	Apr-Jul
Elevation:	300-885 (985-2905)
General Habitats:	Chaparral, Cismontane woodland
Microhabitat:	Serpentine, Volcanic (rarely)
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	4.3
Global Rank:	G3
State Rank:	S3
State List:	None
Fed List:	None
Other Status:
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)
Colusa (COL), Lake (LAK), Napa (NAP), Yolo (YOL)
Quads: Name (Quad Code)
Detert Reservoir (3812265), Glascock Mtn. (3812283), Jericho Valley (3812274), Knoxville (3812273), Leesville (3912224), Lower Lake (3812285), Middletown (3812275), Salt Canyon (3912213), Walter Springs (3812263), Wilbur Springs (3912214), Wilson Valley (3812284)

Threat List Data from the CNDDB


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

Notes




Threats:
Potentially threatened by wind energy development.
Taxonomy:
A synonym of L. ciliolatum var. hooveri in The Jepson Manual (1993).

Selected References

Bulletin of the Torrey Botanical Club 69:153 (1942)

Madroño 43(4):515-521 (1996)

Lomatium hooveri profile for potential Species of Conservation Concern evaluation (2018)

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 27 October 2025].