Taxon Details

Baccharis plummerae ssp. glabrata

San Simeon baccharis

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Taxon Summary:

Baccharis plummerae ssp. glabrata, commonly known as San Simeon baccharis, is a perennial deciduous shrub in the Asteraceae that is found only in California. It occurs within Coastal scrub, growing at elevations from 50 to 480 meters. Baccharis plummerae ssp. glabrata is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.

Classification

Scientific Name: Baccharis plummerae Gray ssp. glabrata Hoov.
Common Name: San Simeon baccharis
Family:	Asteraceae
Element Code:	PDAST0W0D1
USDA Plants Symbol:	BAPLG
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.2
Fed List:	None
State List:	None
Global Rank:	G3T1
State Rank:	S1
Other Status:	USFS_S
CRPR Changes:
Add Date:	1994-01-01
Date Edited:	2023-01-10

Ecology and Life History

Lifeform: perennial deciduous shrub

Blooming Period: Jun

Elevation:
50 - 480 meters
165 - 1575 feet

General Habitats:

Coastal scrub

Microhabitat Details:

Microhabitat:

Notes

Notes: Possibly threatened by grazing. See Vascular Plants of San Luis Obispo County, p. 302 (1970) by R. Hoover for original description.
Threats:
Taxonomy:

Threat List Data from the CNDDB

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

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					7
A	B	C	D	X	U
0	1	0	0	0	6

Occurrence Status:
Historical >20 Years	6
Recent <=20 Years	1

Presence:
Presumed Extant	7
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Monterey (MNT), San Luis Obispo (SLO)

Quads: Name (Quad Code)
Burro Mountain (3512173), Cambria (3512151), Pebblestone Shut-in (3512161), Piedras Blancas (3512163)

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