Species Details
Cirsium fontinale var. campylon
Mt. Hamilton thistle
Download Report Calflora eFlora CCH CalPhotos
Scientific Name: Cirsium fontinale Greene var. campylon (H.K. Sharsm.) Keil & C. Turner |
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Common Name: Mt. Hamilton thistle |
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Family: | Asteraceae | |
Element Code: | PDAST2E163 | |
USDA Plants Symbol: | CIFOC | |
Synonyms/Other Names: |
CA Rare Plant Rank: | 1B.2 |
Fed List: | None |
State List: | None |
Global Rank: | G2T2 |
State Rank: |
S2 |
Other Status: | SB_CalBG/RSABG |
CRPR Changes: |
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Add Date: | 1974-01-01 |
Date Edited: | 2021-11-05 |
Lifeform: perennial herb | ||||||||||||||
Blooming Period: (Feb)Apr-Oct
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Elevation:
100 - 890 meters 330 - 2920 feet |
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General Habitats:
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Microhabitat Details: | ||||||||||||||
Microhabitat:
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Threat List Total: | 13 | |
Total EOs | % of EOs | |
EOs with Threat Listed: | 28 | 78 % |
THREAT LIST: | ||
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Grazing | 12 | 33% |
Non-native plant impacts | 10 | 27% |
Other | 7 | 19% |
Road/trail construction/maint. | 7 | 19% |
Development | 5 | 13% |
Foot traffic/trampling | 5 | 13% |
Erosion/runoff | 4 | 11% |
Landfill | 4 | 11% |
Recreational use (non-ORV) | 2 | 5% |
Biocides | 1 | 2% |
Surface water diversion | 1 | 2% |
Waterway bank protection/maintenance | 1 | 2% |
Wood cutting or brush clearing | 1 | 2% |
Total Occurrences: | 36 | ||||
Element Occurrence Ranks: | |||||
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A | B | C | D | X | U |
6 | 17 | 4 | 0 | 0 | 9 |
Occurrence Status: | |||||
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Historical >20 Years | 16 | ||||
Recent <=20 Years | 20 |
Presence: | |||||
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Presumed Extant | 36 | ||||
Possibly Extirpated | 0 | ||||
Presumed Extirpated | 0 |
California Endemic: | |||||||||||||
California Island: | |||||||||||||
States: Name (Code) California (CA) |
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California Counties and Islands: Name (Code) Alameda (ALA), Santa Clara (SCL), Stanislaus (STA) |
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Quads: Name (Quad Code) Cedar Mtn. (3712155), Lick Observatory (3712136), Los Gatos (3712128), Morgan Hill (3712126), Mt. Boardman (3712144), Mt. Madonna (3712116), San Jose East (3712137), Santa Teresa Hills (3712127) |
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Notes:
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Presumed Extant
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