Taxon Report

Eryngium pinnatisectum Jeps.

Tuolumne button-celery

Print Report

© 2007 Robert E. Preston, Ph.D.

Classification


Scientific Name:	Eryngium pinnatisectum Jeps.
Common Name:	Tuolumne button-celery
Family:	Apiaceae
Element Code:	PDAPI0Z0P0
USDA Plants Symbol:	ERPI4
Synonyms/Other Names:

Ecology and Life History


Lifeform:	annual/perennial herb
Blooming Period: May-Aug	May-Aug
Elevation:	70-915 (230-3000)
General Habitats:	Cismontane woodland, Lower montane coniferous forest, Vernal pools
Microhabitat:	Mesic
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.2
Global Rank:	G2
State Rank:	S2
State List:	None
Fed List:	None
Other Status:	SB_UCSC
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	30
Element Occurrence Ranks:
Excellent (A)	1
Good (B)	3
Fair (C)	4
Poor (D)	1
None (X)	0
Unknown (U)	21

Location


California Endemic: True
California Counties and Islands: Name (Code)
Amador (AMA), Calaveras (CAL), Sacramento (SAC), San Joaquin (SJQ), Tuolumne (TUO)
Quads: Name (Quad Code)
Amador City (3812047), Angels Camp (3812015), Carbondale (3812141), Chinese Camp (3712074), Columbia (3812014), Copperopolis (3712086), Folsom SE (3812151), Groveland (3712072), Ione (3812038), Irish Hill (3812048), Moccasin (3712073), New Melones Dam (3712085), Pine Grove (3812046), Salt Spring Valley (3812016), Sonora (3712084), Standard (3712083), Tuolumne (3712082), Wallace (3812028)

Threat List Data from the CNDDB


Threat List Total:	5
EOs with Threat Listed:	Total EOs	% of EOs
	15	50 %
Development	7	23%
Grazing	7	23%
Altered flood/tidal/hydrologic regime	5	16%
Non-native plant impacts	3	10%
Road/trail construction/maint.	1	3%

Notes



Threatened by development, agriculture, grazing, and trampling. See Madroño 1:105 (1923) for original description.
Threats:

Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 7 January 2025].