Species Details

Heterotheca sessiliflora ssp. sessiliflora

beach goldenaster

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Classification

Scientific Name: Heterotheca sessiliflora Nuttall ssp. sessiliflora
Common Name: beach goldenaster
Family:	Asteraceae
Element Code:	PDAST4V0K2
USDA Plants Symbol:	HESES2
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.1
Fed List:	None
State List:	None
Global Rank:	G4T2T3
State Rank:	S1
Other Status:	SB_CalBG/RSABG; SB_CRES
CRPR Changes: added to 1B.1 on 2007-06-14
Add Date:	2007-06-14
Date Edited:	2021-06-03

Ecology and Life History

Lifeform: perennial herb

Blooming Period: Mar-Dec

Elevation:
0 - 1225 meters
0 - 4020 feet

General Habitats:

Chaparral (coastal)
Coastal dunes
Coastal scrub

Microhabitat Details:

Microhabitat:

Notes

Notes: Known from fewer than 20 extant occurrences. Need quad for Santa Barbara County. See University of Waterloo Series 37: 1-164 for species account.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	4
	Total EOs	% of EOs
EOs with Threat Listed:	6	32 %
Development	4	21%
Non-native plant impacts	1	5%
ORV activity	1	5%
Other	1	5%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					19
A	B	C	D	X	U
0	2	1	0	3	13

Occurrence Status:
Historical >20 Years	7
Recent <=20 Years	12

Presence:
Presumed Extant	16
Possibly Extirpated	3
Presumed Extirpated	0

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)
Del Mar (3211782), Encinitas (3311713), Imperial Beach (3211751), La Jolla (3211772), National City (3211761), Point Loma (3211762), Rancho Santa Fe (3311712)

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

Click on quad for name. Hold Shift Key to use mouse scroll wheel

Selected References

CNPS Status Review:

CRPR List Addition on 2007-06-14