Species Details

Sibaropsis hammittii

Hammitt's clay-cress

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Scientific Name:
Sibaropsis hammittii S. Boyd & T.S. Ross
Common Name:
Hammitt's clay-cress
Family: Brassicaceae
Element Code: PDBRA32010
USDA Plants Symbol: SIHA8
Synonyms/Other Names:
Lifeform: annual herb
Blooming Period: Mar-Apr
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Elevation:
720 - 1065 meters
2360 - 3495 feet
General Habitats:
  • Chaparral (openings)
  • Valley and foothill grassland
Microhabitat Details:
Microhabitat:
  • Clay
Notes:
Threatened by non-native plants, vehicles, illegal dumping, grazing, and trampling. Not in The Jepson Manual. See Madroño 44(1):30 (1997) for original description.
Threats:
Taxonomy:
Threat List Total: 1
Total EOs % of EOs
EOs with Threat Listed: 1 14 %
THREAT LIST:
Foot traffic/trampling 1 14%
Total Occurrences: 7
Element Occurrence Ranks:
A B C D X U
0 2 0 0 0 5
Occurrence Status:
Historical >20 Years 6
Recent <=20 Years 1
Presence:
Presumed Extant 7
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Riverside (RIV), San Diego (SDG)
Quads: Name (Quad Code)
Viejas Mountain (3211676), Wildomar (3311753)
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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