Species Details
Cirsium scariosum var. loncholepis
La Graciosa thistle
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Scientific Name: Cirsium scariosum Nutt. var. loncholepis (Petr.) D.J. Keil |
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Common Name: La Graciosa thistle |
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Family: | Asteraceae | |
Element Code: | PDAST2E1N0 | |
USDA Plants Symbol: | ||
Synonyms/Other Names: |
CA Rare Plant Rank: | 1B.1 |
Fed List: | FE (2000-03-20) |
State List: | CT (1990-02-01) |
Global Rank: | G5T1 |
State Rank: |
S1 |
Other Status: | SB_CalBG/RSABG; SB_SBBG |
CRPR Changes: |
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Add Date: | 1974-01-01 |
Date Edited: | 2022-06-08 |
Lifeform: perennial herb | ||||||||||||||
Blooming Period: May-Aug
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Elevation:
4 - 220 meters 15 - 720 feet |
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General Habitats:
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Microhabitat Details: | ||||||||||||||
Microhabitat:
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Threat List Total: | 14 | |
Total EOs | % of EOs | |
EOs with Threat Listed: | 21 | 91 % |
THREAT LIST: | ||
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Other | 14 | 60% |
Altered flood/tidal/hydrologic regime | 8 | 34% |
Non-native plant impacts | 7 | 30% |
Feral pigs | 6 | 26% |
Grazing | 6 | 26% |
ORV activity | 5 | 21% |
Agriculture | 4 | 17% |
Development | 4 | 17% |
Foot traffic/trampling | 3 | 13% |
Mining | 3 | 13% |
Road/trail construction/maint. | 3 | 13% |
Biocides | 2 | 8% |
Improper burning regime | 1 | 4% |
Recreational use (non-ORV) | 1 | 4% |
Total Occurrences: | 23 | ||||
Element Occurrence Ranks: | |||||
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A | B | C | D | X | U |
0 | 3 | 3 | 1 | 14 | 2 |
Occurrence Status: | |||||
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Historical >20 Years | 14 | ||||
Recent <=20 Years | 9 |
Presence: | |||||
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Presumed Extant | 9 | ||||
Possibly Extirpated | 12 | ||||
Presumed Extirpated | 2 |
California Endemic: | |||||||||||||
California Island: | |||||||||||||
States: Name (Code) California (CA) |
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California Counties and Islands: Name (Code) San Luis Obispo (SLO), Santa Barbara (SBA) |
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Quads: Name (Quad Code) Guadalupe (3412085), Los Alamos (3412063), Oceano (3512015), Orcutt (3412074)*, Point Sal (3412086), Sisquoc (3412073), Surf (3412065)* |
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Notes:
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