CNPS Inventory Plant Detail

Deinandra conjugens

Common Name:	Otay tarplant
Family:	Asteraceae
Synonyms:	Hemizonia conjugens
Element Code:	PDAST4R070
Full Name:	Deinandra conjugens (Keck) B.G. Baldwin
USDA PLANTS Symbol:	DECO13

Biology
Lifeform: annual herb Blooming Period: May - June Habitat: clay. • Coastal scrub • Valley and foothill grassland

Rarity Status
CA Rare Plant Rank: 1B.1 Rare, threatened, or endangered in California and elsewhere .1: Seriously endangered in California Federal Listing Status: FT Threatened (10/13/98) State Listing Status: CE Endangered (11/79) State Rank: S1 S1: Critically Imperiled. Global Rank: G1 G1: Critically Imperiled.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 36
Element Occurrence Ranks:

A B C D X U

0 7 5 6 0 18

Population Status:

Historic >20 yrs	Recent <=20 yrs
5	31

Presence:

Present Extant	Possibly Extirpated	Extirpated
36	0	0

Notes

Threatened by development, agriculture, vehicles, illegal dumping, non-native plants, habitat disturbance, and Border Patrol activities. Possibly threatened by landfill construction. Known in BA from only one occurrence. State and federally listed as Hemizonia conjugens; see this name in The Jepson Manual. See Aliso 4(1):109 (1958) for original description, Madroño 25(3):159 (1978) for information on distribution and taxonomy, and Novon 9:462-471 (1999) for revised nomenclature.
To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page.
Date Added: 1974-01-01
Last Update: 2012-03-02

Location

Elevation: 25 - 300 meters

California Endemic: no

States: California, Baja California

California Counties and Islands: name (code)
San Diego (SDG)

Quads: name (DWR code) USGS code
Dulzura (010A) 32116F7, Jamul Mountains (010B) 32116F8, Otay Mesa (010C) 32116E8, National City (011A) 32117F1, Point Loma (011B) 32117F2, Imperial Beach (011D) 32117E1

Notes:

Definitions of codes preceding a county and/or quad:
*		Presumed extirpated
?		Uncertain about distribution or identity
?*		Uncertain about distribution, but presumed extirpated if once present
(?)		Occurrence confirmed, but possibly extirpated

Species may be present in other areas where conditions are favorable.

Presumed Extant

Presumed Extirpated or Unknown

148

Links to Leading Resources of Taxon Information
USDA PLANTS Calflora CalPhotos Consortium of California Herbaria California Department of Fish and Game: CNDDB Quick Viewer

Suggested Citation
California Native Plant Society (CNPS). Inventory of Rare and Endangered Plants (online edition, v8-01a). California Native Plant Society. Sacramento, CA. Accessed on .

-116.875,32.625