Species Details

Lomatium hendersonii

Henderson's lomatium

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Classification

Scientific Name: Lomatium hendersonii (Coult. & Rose) Coult. & Rose
Common Name: Henderson's lomatium
Family:	Apiaceae
Element Code:	PDAPI1B0T0
USDA Plants Symbol:	LOHE2
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	2B.3
Fed List:	None
State List:	None
Global Rank:	G5?
State Rank:	S2
Other Status:
CRPR Changes: changed from 2.3 to 2B.3 on 2013-06-12
Add Date:	1994-01-01
Date Edited:	2022-03-01

Ecology and Life History

Lifeform: perennial herb

Blooming Period: Mar-Jun

Elevation:
1400 - 2440 meters
4595 - 8005 feet

General Habitats:

Great Basin scrub
Lower montane coniferous forest
Pinyon and juniper woodland

Microhabitat Details:

Microhabitat:

Clay
Rocky

Notes

Notes: Easily confused with L. canbyi. Inadvertently omitted from The Jepson Manual (1993). Field work needed. See Botanical Gazette 13:210 (1888) for original description, Systematic Botany Monographs 4:1-55 (1984) for taxonomic treatment, and Madroño 43(4):515-521 (1996) for discussion of presence in CA.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	2
	Total EOs	% of EOs
EOs with Threat Listed:	8	57 %
Other	8	57%
Road/trail construction/maint.	1	7%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					14
A	B	C	D	X	U
0	1	0	0	0	13

Occurrence Status:
Historical >20 Years	12
Recent <=20 Years	2

Presence:
Presumed Extant	14
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA), Idaho (ID), Nevada (NV), Oregon (OR)

California Counties and Islands: Name (Code)
Lassen (LAS), Modoc (MOD), Siskiyou (SIS)

Quads: Name (Quad Code)
Cedarville (4112052), Infernal Caverns (4112035), Kangaroo Mtn. (4112382), Likely (4112025), Little Juniper Reservoir (4112034), Shields Creek (4112043), Tule Mountain (4112024)

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

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CNPS Rare Plant Inventory