Taxon Report
Cirsium fontinale (Greene) Jeps. var. fontinalefountain thistle |
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Classification
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Scientific Name: |
Cirsium fontinale (Greene) Jeps. var. fontinale |
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Common Name: |
fountain thistle |
| Family: | Asteraceae |
| Element Code: | PDAST2E161 |
| USDA Plants Symbol: | CIFOF |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial herb |
| Blooming Period: (Apr)May-Oct | (Apr)May-Oct |
| Elevation: | 45-175 (150-575) |
| General Habitats: | Chaparral, Cismontane woodland, Meadows and seeps, Valley and foothill grassland |
| Microhabitat: | Seeps, Serpentine |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.1 |
| Global Rank: | G2T1 |
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State Rank: |
S1 |
| State List: | CE |
| Fed List: | FE |
| Other Status: | SB_CalBG/RSABG |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 5 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 1 |
| Fair (C) | 3 |
| Poor (D) | 0 |
| None (X) | 1 |
| Unknown (U) | 0 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| San Mateo (SMT) | |
| Quads: Name (Quad Code) | |
| Palo Alto (3712242), San Mateo (3712253), Woodside (3712243) | |
Threat List Data from the CNDDB
| Threat List Total: | 10 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 5 | 100 % | |
| Non-native plant impacts | 4 | 80% |
| Vandalism/dumping/litter | 3 | 60% |
| Development | 2 | 40% |
| Other | 2 | 40% |
| Road/trail construction/maint. | 2 | 40% |
| Altered flood/tidal/hydrologic regime | 1 | 20% |
| Recreational use (non-ORV) | 1 | 20% |
| Foot traffic/trampling | 1 | 20% |
| Hybridization | 1 | 20% |
| ORV activity | 1 | 20% |
Citation
California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 27 December 2024].