© 2010 Benjamin Smith |
© 2013 Keir Morse |
© 2010 Eliza Maher Hasselquist |
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Scientific Name: Ambrosia pumila (Nutt.) Gray |
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Common Name: San Diego ambrosia |
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| Family: | Asteraceae | |
| Element Code: | PDAST0C0M0 | |
| USDA Plants Symbol: | AMPU4 | |
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Synonyms/Other Names: |
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| CA Rare Plant Rank: | 1B.1 |
| Fed List: | FE (2002-07-02) |
| State List: | None |
| Global Rank: | G1 |
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State Rank: |
S1 |
| Other Status: | SB_CRES |
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CRPR Changes: |
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| Add Date: | 1974-01-01 |
| Date Edited: | 2022-08-02 |
| Lifeform: perennial rhizomatous herb | ||||||||||||||
Blooming Period: Apr-Oct
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Elevation:
20 - 415 meters 65 - 1360 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
Microhabitat:
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| Threat List Total: | 17 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 54 | 89 % |
| THREAT LIST: | ||
|---|---|---|
| Development | 43 | 70% |
| Non-native plant impacts | 29 | 47% |
| Foot traffic/trampling | 15 | 24% |
| Road/trail construction/maint. | 15 | 24% |
| Other | 14 | 22% |
| Vandalism/dumping/litter | 8 | 13% |
| Wood cutting or brush clearing | 7 | 11% |
| Recreational use (non-ORV) | 6 | 9% |
| Erosion/runoff | 5 | 8% |
| ORV activity | 4 | 6% |
| Disking | 4 | 6% |
| Agriculture | 2 | 3% |
| Grazing | 2 | 3% |
| Mining | 1 | 1% |
| Altered flood/tidal/hydrologic regime | 1 | 1% |
| Biocides | 1 | 1% |
| Over-collecting/poaching | 1 | 1% |
| Total Occurrences: | 61 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 2 | 6 | 9 | 7 | 21 | 16 |
| Occurrence Status: | |||||
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| Historical >20 Years | 22 | ||||
| Recent <=20 Years | 39 | ||||
| Presence: | |||||
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| Presumed Extant | 40 | ||||
| Possibly Extirpated | 6 | ||||
| Presumed Extirpated | 15 | ||||
| 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) Riverside (RIV), San Diego (SDG) |
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Quads: Name (Quad Code) Aguanga (3311647), Alberhill (3311764), Bachelor Mtn. (3311751), Bonsall (3311732), Del Mar (3211782), El Cajon (3211678), Escondido (3311711), Imperial Beach (3211751), Jamul Mountains (3211668), La Jolla (3211772), La Mesa (3211771), Lake Elsinore (3311763), National City (3211761), Oceanside (3311724), Rancho Santa Fe (3311712), Riverside West (3311784)*, San Luis Rey (3311723), Temecula (3311742), Vail Lake (3311648) |
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Notes:
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Presumed Extant
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