Taxon Report

Collinsia multicolor Lindl. & Paxton

San Francisco collinsia

Print Report

Classification


Scientific Name:	Collinsia multicolor Lindl. & Paxton
Common Name:	San Francisco collinsia
Family:	Plantaginaceae
Element Code:	PDSCR0H0B0
USDA Plants Symbol:	COMU
Synonyms/Other Names:	Collinsia franciscana Bioletti

Ecology and Life History


Lifeform:	annual herb
Blooming Period: (Feb)Mar-May	(Feb)Mar-May
Elevation:	30-275 (100-900)
General Habitats:	Closed-cone coniferous forest, Coastal scrub
Microhabitat:	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:	BLM_S; SB_CalBG/RSABG; SB_UCSC
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	36
Element Occurrence Ranks:
Excellent (A)	1
Good (B)	7
Fair (C)	0
Poor (D)	0
None (X)	1
Unknown (U)	27

Location


California Endemic: True
California Counties and Islands: Name (Code)
Marin (MRN), Monterey (MNT), San Francisco (SFO), San Mateo (SMT), Santa Clara (SCL), Santa Cruz (SCR)
Quads: Name (Quad Code)
Ano Nuevo (3712213), Davenport (3712212), Hames Valley (3512088), Los Gatos (3712128), Montara Mountain (3712254), Monterey (3612158), Mt. Sizer (3712125), Palo Alto (3712242), San Francisco North (3712274), San Francisco South (3712264), San Jose East (3712137), San Mateo (3712253), Santa Cruz (3612281), Santa Teresa Hills (3712127), Seaside (3612157), Thompson Canyon (3612122), Woodside (3712243)

Threat List Data from the CNDDB


Threat List Total:	8
EOs with Threat Listed:	Total EOs	% of EOs
	8	22 %
Road/trail construction/maint.	5	13%
Other	3	8%
Foot traffic/trampling	3	8%
Non-native plant impacts	1	2%
Dam/Inundation	1	2%
Development	1	2%
Erosion/runoff	1	2%
Recreational use (non-ORV)	1	2%

Notes



Threatened by non-native plants, foot traffic and urbanization.
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].