Taxon Report

Ancistrocarphus keilii Morefield

Santa Ynez groundstar

Print Report

© 2023 Kristen M Nelson

Classification


Scientific Name:	Ancistrocarphus keilii Morefield
Common Name:	Santa Ynez groundstar
Family:	Asteraceae
Element Code:	PDASTD5020
USDA Plants Symbol:
Synonyms/Other Names:

Ecology and Life History


Lifeform:	annual herb
Blooming Period: Mar-Apr	Mar-Apr
Elevation:	40-130 (130-425)
General Habitats:	Chaparral, Cismontane woodland
Microhabitat:	Sandy
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	1B.1
Global Rank:	G1
State Rank:	S1
State List:	None
Fed List:	None
Other Status:	BLM_S
CRPR Changes:	added to 1B on 2005-07-27

Occurrence Data from the CNDDB


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

Location


California Endemic: True
California Counties and Islands: Name (Code)
Santa Barbara (SBA)
Quads: Name (Quad Code)
Lompoc (3412064), Lompoc Hills (3412054), Los Alamos (3412063), Santa Rosa Hills (3412053), Surf (3412065)

Threat List Data from the CNDDB


Threat List Total:	0
EOs with Threat Listed:	Total EOs	% of EOs
	0	%

Notes



Known only from the recent type locality and one ambiguous historical collection, all in the Santa Ynez River drainage. Not in The Jepson Manual. See Novon 14(4):464 (2004) for original description.
Threats:

Taxonomy:

Selected References

Proposed Addition to CRPR 1B (2005)

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 9 January 2025].