Deinandra arida

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Scientific Name: Deinandra arida (Keck) B.G. Baldwin
Common Name: Red Rock tarplant
Family:	Asteraceae
Element Code:	PDAST4R010
USDA Plants Symbol:	DEAR8
Synonyms/Other Names: Hemizonia arida Keck

Lifeform: annual herb

Blooming Period: Apr-Nov

Elevation:
300 - 950 meters
985 - 3115 feet

General Habitats:

Microhabitat Details:

Microhabitat:

Notes: Known from fewer than ten occurrences near Red Rock Cyn. in the Mojave Desert. State-listed as Hemizonia arida; see this name in The Jepson Manual. See Aliso 4(1):109 (1958) for original description, and Novon 9:462-471 (1999) for revised nomenclature.
Threats:
Taxonomy:

THREAT LIST:
Threat List Total:	5
	Total EOs	% of EOs
EOs with Threat Listed:	5	83 %
ORV activity	5	83%
Non-native plant impacts	2	33%
Mining	1	16%
Recreational use (non-ORV)	1	16%
Road/trail construction/maint.	1	16%

Occurrence Status:
Historical >20 Years	5
Recent <=20 Years	1

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Kern (KRN)

Quads: Name (Quad Code)
Cantil (3511738), Saltdale NW (3511748)

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 Rare Plant Inventory