Species Details

Deinandra conjugens

Otay tarplant

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CA Rare Plant Rank: 1B.1
Fed List: FT (1998-10-13)
State List: CE (1979-11-01)
Global Rank: G1
State Rank:
S1
Other Status: SB_CalBG/RSABG; SB_CRES
CRPR Changes:
Add Date: 1974-01-01
Date Edited: 2021-12-09
Lifeform: annual herb
Blooming Period: (Apr)May-Jun
Elevation:
25 - 300 meters
80 - 985 feet
General Habitat:
  • Coastal scrub
  • Valley and foothill grassland
General Micro Habitat:
Micro Habitat:
  • Clay
Notes:
Threatened by development, agriculture, vehicles, illegal dumping, foot traffic, 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, MadroƱo 25(3):159 (1978) for information on distribution and taxonomy, and Novon 9:462-471 (1999) for revised nomenclature.
Threats:
Taxonomy:
Other:
Total Occurrences: 42
Element Occurrence Ranks:
A B C D X U
0 11 7 5 0 19
Occurrence Status:
Historical >20 Years 7
Recent <=20 Years 35
Presence:
Presumed Extant 42
Possibly Extirpated 0
Presumed Extirpated 0
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)
Dulzura (3211667), Imperial Beach (3211751), Jamul Mountains (3211668), National City (3211761), Otay Mesa (3211658)
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.

Map

Presumed Extant
Counties   Quads