Species Details

Stebbinsoseris decipiens

Santa Cruz microseris

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Classification

Scientific Name: Stebbinsoseris decipiens (Chambers) Chambers
Common Name: Santa Cruz microseris
Family:	Asteraceae
Element Code:	PDAST6E050
USDA Plants Symbol:
Synonyms/Other Names: Microseris decipiens Chambers

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G2
State Rank:	S2
Other Status:	SB_CalBG/RSABG; SB_UCSC
CRPR Changes:
Add Date:	1974-01-01
Date Edited:	2022-06-08

Ecology and Life History

Lifeform: annual herb

Blooming Period: Apr-May

Elevation:
10 - 500 meters
35 - 1640 feet

General Habitats:

Broadleafed upland forest
Closed-cone coniferous forest
Chaparral
Coastal prairie
Coastal scrub
Valley and foothill grassland

Microhabitat Details:

Microhabitat:

Openings
Serpentine (sometimes)

Notes

Notes: Threatened by grazing. USFWS uses the name Microseris decipiens. See Contributions from the Dudley Herbarium 4:290-291 (1955) for original description, and American Journal of Botany 78(8):1015-1027 (1991) for revised nomenclature.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	7
	Total EOs	% of EOs
EOs with Threat Listed:	5	26 %
Grazing	3	15%
Road/trail construction/maint.	2	10%
Feral pigs	1	5%
Improper burning regime	1	5%
Military operations	1	5%
Non-native plant impacts	1	5%
Other	1	5%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					19
A	B	C	D	X	U
0	1	1	0	1	16

Occurrence Status:
Historical >20 Years	16
Recent <=20 Years	3

Presence:
Presumed Extant	18
Possibly Extirpated	1
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Marin (MRN), Monterey (MNT), San Francisco (SFO), San Mateo (SMT), Santa Cruz (SCR)

Quads: Name (Quad Code)
Ano Nuevo (3712213), Big Basin (3712222), Davenport (3712212), Felton (3712211), Franklin Point (3712223), San Francisco North (3712274), San Miguel (3512076), San Rafael (3712285)*, Seaside (3612157), Spreckels (3612156), Tomales (3812228)

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