Species Details
Iva hayesiana
San Diego marsh-elder
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Species Description:
Iva hayesiana, commonly known as San Diego marsh-elder, is a perennial herb in the Asteraceae that is found in California and elsewhere. It occurs within Marshes and swamps, and Playas, growing at elevations from 0 to 500 meters. Iva hayesiana is ranked 2B.2, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Moderately threatened in California.|
Scientific Name: Iva hayesiana Gray |
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Common Name: San Diego marsh-elder |
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| Family: | Asteraceae | |
| Element Code: | PDAST580A0 | |
| USDA Plants Symbol: | IVHA | |
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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: | 2B.2 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G3 |
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State Rank: |
S2 |
| Other Status: | SB_CalBG/RSABG |
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CRPR Changes: |
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| Add Date: | 1980-01-01 |
| Date Edited: | 2022-12-06 |
| Lifeform: perennial herb | ||||||||||||||
Blooming Period: Apr-Oct
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Elevation:
0 - 500 meters 0 - 1640 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
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Microhabitat:
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| Threat List Total: | 13 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 62 | 48 % |
| THREAT LIST: | ||
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| Development | 42 | 32% |
| Non-native plant impacts | 14 | 10% |
| Other | 13 | 10% |
| ORV activity | 5 | 3% |
| Road/trail construction/maint. | 4 | 3% |
| Erosion/runoff | 3 | 2% |
| Foot traffic/trampling | 3 | 2% |
| Recreational use (non-ORV) | 2 | 1% |
| Wood cutting or brush clearing | 1 | 0% |
| Grazing | 1 | 0% |
| Mining | 1 | 0% |
| Agriculture | 1 | 0% |
| Channelization | 1 | 0% |
| Total Occurrences: | 128 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 4 | 14 | 6 | 3 | 1 | 100 |
| Occurrence Status: | |||||
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| Historical >20 Years | 50 | ||||
| Recent <=20 Years | 78 | ||||
| Presence: | |||||
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| Presumed Extant | 127 | ||||
| Possibly Extirpated | 1 | ||||
| Presumed Extirpated | 0 | ||||
| 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) San Diego (SDG) |
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Quads: Name (Quad Code) Del Mar (3211782), Dulzura (3211667), El Cajon Mtn. (3211687), Encinitas (3311713), Escondido (3311711), Imperial Beach (3211751), Jamul Mountains (3211668), La Jolla (3211772), La Mesa (3211771), National City (3211761), Oceanside (3311724), Otay Mesa (3211658), Otay Mountain (3211657), Point Loma (3211762), Poway (3211781), Rancho Santa Fe (3311712), San Luis Rey (3311723) |
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Notes:
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Presumed Extant
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