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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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| 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: changed from 2.2 to 2B.2 on 2013-06-12 |
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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: | ||
|---|---|---|
| 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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