Species Details
Cirsium arizonicum var. tenuisectum
desert mountain thistle
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Scientific Name: Cirsium arizonicum (A. Gray) Petrak var. tenuisectum Keil |
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Common Name: desert mountain thistle |
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| Family: | Asteraceae | |
| Element Code: | PDAST2E083 | |
| USDA Plants Symbol: | ||
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Synonyms/Other Names: |
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| CA Rare Plant Rank: | 1B.2 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G5T2 |
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State Rank: |
S2 |
| Other Status: | SB_CalBG/RSABG |
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CRPR Changes: added to 1B.2 on 2006-12-27 |
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| Add Date: | 2006-12-27 |
| Date Edited: | 2021-11-05 |
| Lifeform: perennial herb | ||||||||||||||
Blooming Period: Jun-Nov
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Elevation:
1500 - 2800 meters 4920 - 9185 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
Microhabitat:
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Notes: Known in CA only from the New York Mountains of San Bernardino County. The name Cirsium nidulum has long been misapplied to this species. May be distinctive enough to be its own taxon and not a variety of Cirsium arizonicum. See SIDA 21(1): 210 (2004) for original description. |
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Threats: |
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Taxonomy: |
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| Threat List Total: | 2 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 2 | 25 % |
| THREAT LIST: | ||
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| Other | 1 | 12% |
| Recreational use (non-ORV) | 1 | 12% |
| Total Occurrences: | 8 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 0 | 1 | 0 | 0 | 0 | 7 |
| Occurrence Status: | |||||
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| Historical >20 Years | 4 | ||||
| Recent <=20 Years | 4 | ||||
| Presence: | |||||
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| Presumed Extant | 8 | ||||
| Possibly Extirpated | 0 | ||||
| Presumed Extirpated | 0 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) California (CA), Nevada (NV) |
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California Counties and Islands: Name (Code) San Bernardino (SBD) |
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Quads: Name (Quad Code) Clark Mtn. (3511555), Ivanpah (3511533), Pinto Valley (3511523) |
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Notes:
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Presumed Extant
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| CNPS Status Review: | CRPR List Addition on 2006-12-27 |