Species Details

Streptanthus hispidus

Mt. Diablo jewelflower

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Photo of Streptanthus hispidus
© 2011 Aaron Schusteff
Photo of Streptanthus hispidus
© 2021 Scott Batiuk
Photo of Streptanthus hispidus
© 2021 Robert E. Preston, Ph.D.
Scientific Name:
Streptanthus hispidus Gray
Common Name:
Mt. Diablo jewelflower
Family: Brassicaceae
Element Code: PDBRA2G0M0
USDA Plants Symbol: STHI2
Synonyms/Other Names:
Lifeform: annual herb
Blooming Period: Mar-Jun
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Elevation:
365 - 1200 meters
1200 - 3935 feet
General Habitats:
  • Chaparral
  • Valley and foothill grassland
Microhabitat Details:
Microhabitat:
  • Rocky
Notes:
Threats:

Possibly threatened by foot traffic.

Taxonomy:
Threat List Total: 6
Total EOs % of EOs
EOs with Threat Listed: 7 88 %
THREAT LIST:
Foot traffic/trampling 7 87%
Other 3 37%
Road/trail construction/maint. 3 37%
Recreational use (non-ORV) 1 12%
Non-native animal impacts 1 12%
Total Occurrences: 8
Element Occurrence Ranks:
A B C D X U
0 4 3 1 0 0
Occurrence Status:
Historical >20 Years 6
Recent <=20 Years 2
Presence:
Presumed Extant 8
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Contra Costa (CCA)
Quads: Name (Quad Code)
Clayton (3712188), Diablo (3712178)
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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