Species Details

Deinandra halliana

Hall's tarplant

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Lifeform: annual herb
Blooming Period: (Mar)Apr-May
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Elevation:
260 - 950 meters
855 - 3115 feet
General Habitats:
  • Chenopod scrub
  • Cismontane woodland
  • Valley and foothill grassland
Microhabitat Details:
Microhabitat:
  • Alkaline (sometimes)
  • Clay
Notes:
Threatened by grazing and non-native plants. Appears only in unusually wet years. A synonym of Hemizonia halliana in The Jepson Manual. See MadroƱo 3(1):12 (1935) for original description, and Novon 9:462-471 (1999) for revised nomenclature.
Threats:
Taxonomy:
Threat List Total: 10
Total EOs % of EOs
EOs with Threat Listed: 14 20 %
THREAT LIST:
Grazing 5 7%
Other 4 5%
Development 4 5%
Foot traffic/trampling 3 4%
ORV activity 3 4%
Total Occurrences: 69
Element Occurrence Ranks:
A B C D X U
24 15 4 1 0 25
Occurrence Status:
Historical >20 Years 10
Recent <=20 Years 59
Presence:
Presumed Extant 69
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Fresno (FRE), Kern (KRN), Kings (KNG), Monterey (MNT), San Benito (SBT), San Luis Obispo (SLO)
Quads: Name (Quad Code)
Cholame (3512063), Cholame Valley (3512073), Chounet Ranch (3612066), Ciervo Mtn. (3612045), Domengine Ranch (3612033), Hernandez Reservoir (3612047), Hollister (3612174), Idria (3612046), Joaquin Rocks (3612034), Lillis Ranch (3612044), Lonoak (3612038), Packwood Creek (3512051), Panoche (3612057), Santa Rita Peak (3612035), Sawtooth Ridge (3512061), Sherman Peak (3612025), Smith Mountain (3612015), Tent Hills (3512072), The Dark Hole (3512083), Tres Pinos (3612173), Tumey Hills (3612056)
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.
Presumed Extant
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