Species Details
Cirsium fontinale var. obispoense
Chorro Creek bog thistle
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Scientific Name: Cirsium fontinale (Greene) Jeps. var. obispoense J.T. Howell |
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Common Name: Chorro Creek bog thistle |
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Family: | Asteraceae | |
Element Code: | PDAST2E162 | |
USDA Plants Symbol: | CIFOO | |
Synonyms/Other Names: |
CA Rare Plant Rank: | 1B.2 |
Fed List: | FE (1994-12-15) |
State List: | CE (1993-06-01) |
Global Rank: | G2T2 |
State Rank: |
S2 |
Other Status: | SB_CalBG/RSABG; SB_SBBG |
CRPR Changes: |
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Add Date: | 1974-01-01 |
Date Edited: | 2022-12-06 |
Lifeform: perennial herb | ||||||||||||||
Blooming Period: Feb-Jul(Aug-Sep)
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Elevation:
35 - 385 meters 115 - 1265 feet |
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General Habitats:
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Microhabitat Details: Drainages | ||||||||||||||
Microhabitat:
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Notes: Threatened by grazing, development, and proposed water diversions. Possibly threatened by foot traffic, and non-native plants. See Leaflets of Western Botany 2:71 (1938) for original description, and Bulletin of the Southern California Academy of Sciences 115(3):156-175 (2016) for status information. |
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Threats: |
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Taxonomy: |
Threat List Total: | 13 | |
Total EOs | % of EOs | |
EOs with Threat Listed: | 19 | 86 % |
THREAT LIST: | ||
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Foot traffic/trampling | 10 | 45% |
Non-native plant impacts | 9 | 40% |
Other | 8 | 36% |
Grazing | 7 | 31% |
Development | 5 | 22% |
Erosion/runoff | 4 | 18% |
Feral pigs | 2 | 9% |
Agriculture | 2 | 9% |
Road/trail construction/maint. | 2 | 9% |
Surface water diversion | 2 | 9% |
Biocides | 1 | 4% |
Improper burning regime | 1 | 4% |
Military operations | 1 | 4% |
Total Occurrences: | 22 | ||||
Element Occurrence Ranks: | |||||
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A | B | C | D | X | U |
9 | 5 | 3 | 0 | 1 | 4 |
Occurrence Status: | |||||
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Historical >20 Years | 6 | ||||
Recent <=20 Years | 16 |
Presence: | |||||
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Presumed Extant | 21 | ||||
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) San Luis Obispo (SLO) |
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Quads: Name (Quad Code) Atascadero (3512046), Cambria (3512151), Lopez Mtn. (3512035), Morro Bay North (3512047), Morro Bay South (3512037), Pebblestone Shut-in (3512161), Pismo Beach (3512026), San Luis Obispo (3512036) |
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Notes:
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Presumed Extant
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