Species Details
Centromadia parryi ssp. australis
southern tarplant
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Scientific Name: Centromadia parryi (Greene) Greene ssp. australis (Keck) B.G. Baldwin |
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Common Name: southern tarplant |
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| Family: | Asteraceae | |
| Element Code: | PDAST4R0P4 | |
| USDA Plants Symbol: | CEPAA | |
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Synonyms/Other Names: |
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| CA Rare Plant Rank: | 1B.1 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G3T2 |
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State Rank: |
S2 |
| Other Status: | SB_CalBG/RSABG; SB_CRES; SB_SBBG |
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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: May-Nov
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Elevation:
0 - 480 meters 0 - 1575 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
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Microhabitat:
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Notes: Need confirmation of SCT Isl. occurrences. Many ORA Co. occurrences recently extirpated. Many historical occurrences also extirpated; need information. Population fragmentation a serious problem, and plant continues to be threatened by urbanization, vehicles, development, foot traffic, grazing, habitat disturbance, and competition from non-native plants. A synonym of Hemizonia parryi ssp. australis in TJM (1993). See Madroño 3(1):15 (1935) for original description, and Novon 9:462-471 (1999) for revised nomenclature. |
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Threats: |
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Taxonomy: |
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| Threat List Total: | 16 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 43 | 46 % |
| THREAT LIST: | ||
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| Development | 20 | 21% |
| Other | 14 | 14% |
| Foot traffic/trampling | 11 | 11% |
| Road/trail construction/maint. | 10 | 10% |
| Non-native plant impacts | 7 | 7% |
| ORV activity | 6 | 6% |
| Disking | 6 | 6% |
| Recreational use (non-ORV) | 5 | 5% |
| Vandalism/dumping/litter | 4 | 4% |
| Agriculture | 3 | 3% |
| Grazing | 3 | 3% |
| Waterway bank protection/maintenance | 2 | 2% |
| Wood cutting or brush clearing | 1 | 1% |
| Hybridization | 1 | 1% |
| Military operations | 1 | 1% |
| Mining | 1 | 1% |
| Total Occurrences: | 94 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 3 | 17 | 11 | 4 | 10 | 49 |
| Occurrence Status: | |||||
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| Historical >20 Years | 57 | ||||
| Recent <=20 Years | 37 | ||||
| Presence: | |||||
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| Presumed Extant | 84 | ||||
| Possibly Extirpated | 4 | ||||
| Presumed Extirpated | 6 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) Baja California (BA), California (CA) |
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California Counties and Islands: Name (Code) Los Angeles (LAX), Orange (ORA), San Diego (SDG), Santa Barbara (SBA), Ventura (VEN) |
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Quads: Name (Quad Code) Anaheim (3311778), Baldwin Park (3411718), Beverly Hills (3411814)*, Canada Gobernadora (3311755), Del Mar (3211782), Dos Pueblos Canyon (3411948), El Monte (3411811), Escondido (3311711), Goleta (3411947), Hollywood (3411813)*, Inglewood (3311883)*, Laguna Beach (3311757), Long Beach (3311872)*, Los Alamitos (3311871), Morro Hill (3311733), Mt. Wilson (3411821), Newbury Park (3411828), Newport Beach (3311768), Orange (3311777), Pasadena (3411822)*, Pitas Point (3411934)(?), San Marcos (3311722), San Pasqual (3311618), Santa Catalina East (3311833)?, Seal Beach (3311861), South Gate (3311882)*, Sunland (3411833), Torrance (3311873), Tustin (3311767), Valley Center (3311721), Venice (3311884)* |
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Notes:
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Presumed Extant
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