Species Details

Clarkia franciscana

Presidio clarkia

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Scientific Name:
Clarkia franciscana Lewis & Raven
Common Name:
Presidio clarkia
Family: Onagraceae
Element Code: PDONA050H0
USDA Plants Symbol: CLFR3
Synonyms/Other Names:
Lifeform: annual herb
Blooming Period: May-Jul
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Elevation:
25 - 335 meters
80 - 1100 feet
General Habitats:
  • Coastal scrub
  • Valley and foothill grassland (serpentinite)
Microhabitat Details:
Microhabitat:
Notes:
Threatened by Army activities, vehicles, urbanization and non-native plants. See Brittonia 10:7-13 (1958) for original description, and MadroƱo 39(1):1-7 (1992) for information on ALA Co. occurrence.
Threats:
Taxonomy:
Threat List Total: 7
Total EOs % of EOs
EOs with Threat Listed: 3 75 %
THREAT LIST:
Foot traffic/trampling 3 75%
Non-native plant impacts 3 75%
Road/trail construction/maint. 2 50%
Development 1 25%
ORV activity 1 25%
Total Occurrences: 4
Element Occurrence Ranks:
A B C D X U
0 2 1 0 1 0
Occurrence Status:
Historical >20 Years 1
Recent <=20 Years 3
Presence:
Presumed Extant 3
Possibly Extirpated 1
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Alameda (ALA), San Francisco (SFO)
Quads: Name (Quad Code)
Oakland East (3712272), San Francisco North (3712274)
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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