Taxon Report

Eryngium constancei Sheikh

Loch Lomond button-celery

Print Report

Classification


Scientific Name:	Eryngium constancei Sheikh
Common Name:	Loch Lomond button-celery
Family:	Apiaceae
Element Code:	PDAPI0Z0W0
USDA Plants Symbol:	ERCO39
Synonyms/Other Names:

Ecology and Life History


Lifeform:	annual/perennial herb
Blooming Period: Apr-Jun	Apr-Jun
Elevation:	460-855 (1510-2805)
General Habitats:	Vernal pools
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.1
Global Rank:	G1
State Rank:	S1
State List:	CE
Fed List:	FE
Other Status:	SB_CalBG/RSABG
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	4
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	2
Fair (C)	0
Poor (D)	1
None (X)	0
Unknown (U)	1

Location


California Endemic: True
California Counties and Islands: Name (Code)
Lake (LAK), Sonoma (SON)
Quads: Name (Quad Code)
Calistoga (3812255), Clearlake Highlands (3812286), Whispering Pines (3812276)

Threat List Data from the CNDDB


Threat List Total:	7
EOs with Threat Listed:	Total EOs	% of EOs
	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%

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:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 28 December 2024].