Species Details
Chaenactis carphoclinia var. peirsonii
Peirson's pincushion
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Species Description:
Chaenactis carphoclinia var. peirsonii, commonly known as Peirson's pincushion, is a annual herb in the Asteraceae that is found only in California. It occurs within Sonoran desert scrub, growing at elevations from 3 to 500 meters. Chaenactis carphoclinia var. peirsonii is ranked 1B.3, Plants Rare, Threatened or Endangered in California and Elsewhere; Not very threatened in California.|
Scientific Name: Chaenactis carphoclinia Gray var. peirsonii (Jeps.) Munz |
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Common Name: Peirson's pincushion |
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| Family: | Asteraceae | |
| Element Code: | PDAST20042 | |
| USDA Plants Symbol: | CHCAP2 | |
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Synonyms/Other Names: |
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| Name Status: |
JEP, FNA, POWO, IPNI, Tropicos |
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| CA Rare Plant Rank: | 1B.3 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G5T2 |
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State Rank: |
S2 |
| Other Status: | BLM_S; SB_CalBG/RSABG |
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CRPR Changes: |
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| Add Date: | 1994-01-01 |
| Date Edited: | 2021-05-26 |
| Lifeform: annual herb | ||||||||||||||
Blooming Period: Mar-Apr
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Elevation:
3 - 500 meters 10 - 1640 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
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Microhabitat:
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Notes: Known only from the eastern Santa Rosa Mtns, where known from few collections. Possibly threatened by vehicles. Does plant occur in RIV Co.? See Madroño 1(17):259 (1929) for original description, and Manual of Southern California Botany, p. 567 (1935) by P. Munz for revised nomenclature. |
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Threats: |
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Taxonomy: |
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| Threat List Total: | 1 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 4 | 33 % |
| THREAT LIST: | ||
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| ORV activity | 4 | 33% |
| Total Occurrences: | 12 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 0 | 3 | 0 | 0 | 0 | 9 |
| Occurrence Status: | |||||
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| Historical >20 Years | 4 | ||||
| Recent <=20 Years | 8 | ||||
| Presence: | |||||
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| Presumed Extant | 12 | ||||
| Possibly Extirpated | 0 | ||||
| Presumed Extirpated | 0 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) California (CA) |
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California Counties and Islands: Name (Code) Imperial (IMP), San Diego (SDG) |
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Quads: Name (Quad Code) Borrego Mountain (3311622), Borrego Mountain SE (3311611), Borrego Palm Canyon (3311634), Borrego Sink (3311623), Clark Lake (3311633), Seventeen Palms (3311631), Shell Reef (3311621), Tubb Canyon (3311624) |
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Notes:
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Presumed Extant
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