Scientific Name: Layia septentrionalis Keck |
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Common Name: Colusa layia |
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Family: | Asteraceae | |
Element Code: | PDAST5N0F0 | |
USDA Plants Symbol: | LASE2 | |
Synonyms/Other Names: |
CA Rare Plant Rank: | 1B.2 |
Fed List: | None |
State List: | None |
Global Rank: | G2 |
State Rank: |
S2 |
Other Status: | BLM_S; SB_UCBG |
CRPR Changes: |
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Add Date: | 1994-01-01 |
Date Edited: | 2022-03-01 |
Lifeform: annual herb | ||||||||||||||
Blooming Period: Apr-May
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Elevation:
100 - 1095 meters 330 - 3595 feet |
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General Habitats:
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Microhabitat Details: | ||||||||||||||
Microhabitat:
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Threat List Total: | 7 | |
Total EOs | % of EOs | |
EOs with Threat Listed: | 10 | 14 % |
THREAT LIST: | ||
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Road/trail construction/maint. | 5 | 7% |
Development | 3 | 4% |
Erosion/runoff | 1 | 1% |
Grazing | 1 | 1% |
Other | 1 | 1% |
Agriculture | 1 | 1% |
Biocides | 1 | 1% |
Total Occurrences: | 69 | ||||
Element Occurrence Ranks: | |||||
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A | B | C | D | X | U |
7 | 7 | 0 | 0 | 1 | 54 |
Occurrence Status: | |||||
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Historical >20 Years | 46 | ||||
Recent <=20 Years | 23 |
Presence: | |||||
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Presumed Extant | 68 | ||||
Possibly Extirpated | 1 | ||||
Presumed Extirpated | 0 |
California Endemic: | |||||||||||||
California Island: | |||||||||||||
States: Name (Code) California (CA) |
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California Counties and Islands: Name (Code) Butte (BUT), Colusa (COL), Glenn (GLE), Lake (LAK), Mendocino (MEN), Napa (NAP), Sonoma (SON), Sutter (SUT), Tehama (TEH), Yolo (YOL) |
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Quads: Name (Quad Code) Aetna Springs (3812264), Arbuckle (3912211), Benmore Canyon (3912215), Cherokee (3912165), Chiles Valley (3812253), Cloverdale (3812371), Detert Reservoir (3812265), Dunnigan (3812188), Elk Creek (3912255), Gilmore Peak (3912235), Glascock Mtn. (3812283), Grimes (3912118), Highland Springs (3812288), Hopland (3812381), Jericho Valley (3812274), Kelseyville (3812287), Kenwood (3812245)*, Knoxville (3812273), Lakeport (3912218), Leesville (3912224), Lower Lake (3812285), Lucerne (3912217), Monticello Dam (3812251), Paskenta (3912285), Purdys Gardens (3912311), Rail Canyon (3912244), Riley Ridge (3912286), Rumsey (3812282), Santa Rosa (3812246), St. Helena (3812254), Stonyford (3912245), Sutter Buttes (3912127), The Geysers (3812277), Walter Springs (3812263), Whispering Pines (3812276), Wilbur Springs (3912214), Wildwood School (3812281), Wilson Valley (3812284) |
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Notes:
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Presumed Extant
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Original Description: |
Aliso 4(1):106 (1958) |
Species Account: |
Layia septentrionalis profile for potential Species of Conservation Concern evaluation (2018) |
Other: | USFS Potential Species of Conservation Concern Profile |