Taxon Details

Rosa minutifolia

small-leaved rose

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Taxon Summary:

Rosa minutifolia, commonly known as small-leaved rose, is a perennial deciduous shrub in the Rosaceae that is found in California and elsewhere. It occurs within Chaparral, and Coastal scrub, growing at elevations from 150 to 160 meters. Rosa minutifolia is ranked 2B.1, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Seriously threatened in California.

Classification

Scientific Name: Rosa minutifolia Engelm.
Common Name: small-leaved rose
Family:	Rosaceae
Element Code:	PDROS1J1B0
USDA Plants Symbol:	ROMI80
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	2B.1
Fed List:	None
State List:	CE (1989-10-01)
Global Rank:	G2G3
State Rank:	SX.C
Other Status:	SB_CalBG/RSABG; SB_CRES
CRPR Changes:
Add Date:	1988-01-01
Date Edited:	2021-08-25

Ecology and Life History

Lifeform: perennial deciduous shrub

Blooming Period: Jan-Jun

Elevation:
150 - 160 meters
490 - 525 feet

General Habitats:

Chaparral
Coastal scrub

Microhabitat Details:

Microhabitat:

Notes

Notes: Known in CA from only one occurrence on Otay Mesa. Only CA occurrence transplanted for mitigation in 1997. Seriously threatened by development and vehicles. Possibly threatened by non-native plants. See Madroño 33(2):150 (1986) for first CA record.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	4
	Total EOs	% of EOs
EOs with Threat Listed:	2	67 %
Development	1	33%
Non-native plant impacts	1	33%
ORV activity	1	33%
Wood cutting or brush clearing	1	33%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					3
A	B	C	D	X	U
0	1	0	0	1	1

Occurrence Status:
Historical >20 Years	1
Recent <=20 Years	2

Presence:
Presumed Extant	2
Possibly Extirpated	0
Presumed Extirpated	1

Location

California Endemic:

California Island:

States: Name (Code)
Baja California (BA), California (CA)

California Counties and Islands: Name (Code)
San Diego (SDG)

Quads: Name (Quad Code)
Imperial Beach (3211751)

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