Helianthus inexpectatus

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Scientific Name: Helianthus inexpectatus D.J. Keil & Elvin
Common Name: Newhall sunflower
Family:	Asteraceae
Element Code:	PDAST4N250
USDA Plants Symbol:
Synonyms/Other Names:

Lifeform: perennial rhizomatous herb

Blooming Period: Aug-Oct

Elevation:
305 - 305 meters
1000 - 1000 feet

General Habitats:

Microhabitat Details: freshwater

Microhabitat:

Notes: Known from a single occurrence of fewer than 10 individuals. See Aliso 28:59-62 (2010) for original description.
Threats: Potentially threatened by development, hydrological alterations, habitat alteration and loss, urban runoff, non-native plants, recreational activities, and foot traffic. Possibly threatened by air pollution and pollination reduction.
Taxonomy:

THREAT LIST:
Threat List Total:	4
	Total EOs	% of EOs
EOs with Threat Listed:	1	100 %
Altered flood/tidal/hydrologic regime	1	100%
Development	1	100%
Non-native plant impacts	1	100%
Over-collecting/poaching	1	100%

Occurrence Status:
Historical >20 Years	1
Recent <=20 Years	0

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Los Angeles (LAX)

Quads: Name (Quad Code)
Newhall (3411845)

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

Presumed Extant

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CNPS Status Review:

CRPR List Addition on 2010-08-16