Species Details

Eryngium racemosum

Delta button-celery

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Classification

Scientific Name: Eryngium racemosum Jeps.
Common Name: Delta button-celery
Family:	Apiaceae
Element Code:	PDAPI0Z0S0
USDA Plants Symbol:	ERRA5
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.1
Fed List:	None
State List:	CE (1981-08-01)
Global Rank:	G1
State Rank:	S1
Other Status:
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2021-06-03

Ecology and Life History

Lifeform: annual/perennial herb

Blooming Period: (May)Jun-Oct

Elevation:
3 - 30 meters
10 - 100 feet

General Habitats:

Riparian scrub (vernally mesic clay depressions)

Microhabitat Details:

Microhabitat:

Notes

Notes: Threatened by agriculture, non-native plants, and flood control activities. See Flora of California 2(1):659 (1936) by W.L. Jepson for original description.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	13
	Total EOs	% of EOs
EOs with Threat Listed:	17	65 %
Grazing	7	26%
Non-native plant impacts	5	19%
Agriculture	4	15%
Other	3	11%
Recreational use (non-ORV)	3	11%
Road/trail construction/maint.	3	11%
Surface water diversion	2	7%
Altered flood/tidal/hydrologic regime	2	7%
ORV activity	2	7%
Groundwater pumping	1	3%
Improper burning regime	1	3%
Disking	1	3%
Erosion/runoff	1	3%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					26
A	B	C	D	X	U
3	7	2	1	7	6

Occurrence Status:
Historical >20 Years	22
Recent <=20 Years	4

Presence:
Presumed Extant	19
Possibly Extirpated	7
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Calaveras (CAL), Contra Costa (CCA), Merced (MER), San Joaquin (SJQ)*, Stanislaus (STA)

Quads: Name (Quad Code)
Crows Landing (3712141)*, Gustine (3712038), Jenny Lind (3812017), Lathrop (3712173)*, Peters (3712181)*, Ripon (3712162)*, Salt Spring Valley (3812016), San Luis Ranch (3712027), Sandy Mush (3712025), Stevinson (3712037), Turlock Lake (3712055), Turner Ranch (3712026), Vernalis (3712163)*, Westley (3712152)*, Woodward Island (3712185)

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