Species Details

Clarkia rostrata

beaked clarkia

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Scientific Name:
Clarkia rostrata W.S. Davis
Common Name:
beaked clarkia
Family: Onagraceae
Element Code: PDONA050Y0
USDA Plants Symbol: CLRO2
Synonyms/Other Names:
CA Rare Plant Rank: 1B.3
Fed List: None
State List: None
Global Rank: G2G3
State Rank:
S2S3
Other Status: BLM_S; SB_CalBG/RSABG; SB_UCBG
CRPR Changes:
Add Date: 1974-01-01
Date Edited: 2021-05-26
Lifeform: annual herb
Blooming Period: Apr-May
JFMAMJJASOND
Elevation:
60 - 500 meters
195 - 1640 feet
General Habitats:
  • Cismontane woodland
  • Valley and foothill grassland
Microhabitat Details:
Microhabitat:
Notes:
See Brittonia 22:270-284 (1970) for original description.
Threats:
Taxonomy:
Threat List Total: 12
Total EOs % of EOs
EOs with Threat Listed: 50 68 %
THREAT LIST:
Non-native plant impacts 34 45%
Grazing 31 41%
Altered flood/tidal/hydrologic regime 20 27%
Erosion/runoff 14 18%
Road/trail construction/maint. 12 16%
Total Occurrences: 74
Element Occurrence Ranks:
A B C D X U
1 10 2 0 0 61
Occurrence Status:
Historical >20 Years 28
Recent <=20 Years 46
Presence:
Presumed Extant 74
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Calaveras (CAL), Madera (MAD), Mariposa (MPA), Merced (MER), Stanislaus (STA), Tuolumne (TUO)
Quads: Name (Quad Code)
Bear Valley (3712051), Ben Hur (3711938), Cooperstown (3712065), Coulterville (3712062), Haystack Mtn. (3712043), Hornitos (3712052), Indian Gulch (3712042), Knights Ferry (3712076), Mariposa (3711948), Merced Falls (3712053), New Melones Dam (3712085), Owens Reservoir (3712032), Penon Blanco Peak (3712063), Raymond (3711928), Snelling (3712054), Stumpfield Mtn. (3711947), Waterford (3712067), Yosemite Lake (3712044)
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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