Species Details

Blennosperma bakeri

Sonoma sunshine

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Scientific Name:
Blennosperma bakeri Heiser
Common Name:
Sonoma sunshine
Family: Asteraceae
Element Code: PDAST1A010
USDA Plants Symbol: BLBA
Synonyms/Other Names:
CA Rare Plant Rank: 1B.1
Fed List: FE (1991-12-02)
State List: CE (1992-02-01)
Global Rank: G1
State Rank:
S1
Other Status: SB_CalBG/RSABG
CRPR Changes:
Add Date: 1974-01-01
Date Edited: 2021-05-26
Lifeform: annual herb
Blooming Period: Mar-May
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Elevation:
10 - 110 meters
35 - 360 feet
General Habitats:
  • Valley and foothill grassland (mesic)
  • Vernal pools
Microhabitat Details:
Microhabitat:
Notes:
Threatened by residential development, urbanization, grazing, and agriculture. Possibly threatened by non-native plants, foot traffic and road maintenance. See MadroƱo 9(3):103-104 (1947) for original description.
Threats:
Taxonomy:
Threat List Total: 15
Total EOs % of EOs
EOs with Threat Listed: 20 83 %
THREAT LIST:
Non-native plant impacts 11 45%
Agriculture 10 41%
Development 10 41%
Grazing 10 41%
Disking 7 29%
Total Occurrences: 24
Element Occurrence Ranks:
A B C D X U
0 9 6 1 5 3
Occurrence Status:
Historical >20 Years 9
Recent <=20 Years 15
Presence:
Presumed Extant 19
Possibly Extirpated 2
Presumed Extirpated 3
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Mendocino (MEN), Sonoma (SON)
Quads: Name (Quad Code)
Cotati (3812236), Glen Ellen (3812235), Healdsburg (3812257), Laughlin Range (3912333), Santa Rosa (3812246), Sears Point (3812224), Sebastopol (3812247), Sonoma (3812234), Two Rock (3812237)
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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