Taxon Report

Stebbinsoseris decipiens (Chambers) Chambers

Santa Cruz microseris

Print Report

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

Ecology and Life History


Lifeform:	annual herb
Blooming Period: Apr-May	Apr-May
Elevation:	10-500 (35-1640)
General Habitats:	Broadleafed upland forest, Chaparral, Closed-cone coniferous forest, Coastal prairie, Coastal scrub, Valley and foothill grassland
Microhabitat:	Openings, Serpentine (sometimes)
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_CalBG/RSABG; SB_UCSC
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	19
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	1
Fair (C)	1
Poor (D)	0
None (X)	1
Unknown (U)	16

Location


California Endemic: True
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)

Threat List Data from the CNDDB


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

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:

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 27 December 2024].