Taxon Details

Eryngium constancei

Loch Lomond button-celery

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Taxon Summary:

Eryngium constancei, commonly known as Loch Lomond button-celery, is a annual/perennial herb in the Apiaceae that is found only in California. It occurs within Vernal pools, growing at elevations from 460 to 855 meters. Eryngium constancei is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.

Classification

Scientific Name: Eryngium constancei Sheikh
Common Name: Loch Lomond button-celery
Family:	Apiaceae
Element Code:	PDAPI0Z0W0
USDA Plants Symbol:	ERCO39
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.1
Fed List:	FE (1986-12-23)
State List:	CE (1987-01-01)
Global Rank:	G1
State Rank:	S1
Other Status:	SB_CalBG/RSABG
CRPR Changes:
Add Date:	1980-01-01
Date Edited:	2021-05-26

Ecology and Life History

Lifeform: annual/perennial herb

Blooming Period: Apr-Jun

Elevation:
460 - 855 meters
1510 - 2805 feet

General Habitats:

Vernal pools

Microhabitat Details:

Microhabitat:

Notes

Notes: Known only from three occurrences. Threatened by development and vehicles. Protected in part at Loch Lomond ER (DFG), but entire watershed not protected; previously damaged by dredging of vernal lake. See Madroño 30(2):93-101 (1983) for original description.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	7
	Total EOs	% of EOs
EOs with Threat Listed:	3	75 %
Erosion/runoff	2	50%
Logging	1	25%
ORV activity	1	25%
Road/trail construction/maint.	1	25%
Surface water diversion	1	25%
Agriculture	1	25%
Development	1	25%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					4
A	B	C	D	X	U
0	2	0	1	0	1

Occurrence Status:
Historical >20 Years	3
Recent <=20 Years	1

Presence:
Presumed Extant	4
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Lake (LAK), Sonoma (SON)

Quads: Name (Quad Code)
Calistoga (3812255), Clearlake Highlands (3812286), Whispering Pines (3812276)

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