Species Details
Helianthus inexpectatus
Newhall sunflower
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Scientific Name: Helianthus inexpectatus D.J. Keil & Elvin |
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Common Name: Newhall sunflower |
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Family: | Asteraceae | |
Element Code: | PDAST4N250 | |
USDA Plants Symbol: | ||
Synonyms/Other Names: |
CA Rare Plant Rank: | 1B.1 |
Fed List: | None |
State List: | None |
Global Rank: | G1 |
State Rank: |
S1 |
Other Status: | SB_CalBG/RSABG |
CRPR Changes: added to 1B.1 on 2010-08-16 |
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Add Date: | 2010-08-16 |
Date Edited: | 2022-01-05 |
Lifeform: perennial rhizomatous herb | ||
Blooming Period: Aug-Oct | ||
Elevation:
305 - 305 meters 1000 - 1000 feet |
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General Habitat:
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General Micro Habitat: freshwater | ||
Micro Habitat:
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Notes: Known from a single occurrence of fewer than 10 individuals. Potentially threatened by development, hydrological alterations, habitat alteration and loss, urban runoff, non-native plants, recreational activities, and foot traffic. Possibly threatened by air pollution and pollination reduction. See Aliso 28:59-62 (2010) for original description. |
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Threats: Potentially threatened by development, hydrological alterations, habitat alteration and loss, urban runoff, non-native plants, recreational activities, and foot traffic. Possibly threatened by air pollution and pollination reduction. |
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Taxonomy: |
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Other: Known from a single occurrence of fewer than 10 individuals. |
Total Occurrences: | 1 | ||||
Element Occurrence Ranks: | |||||
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A | B | C | D | X | U |
0 | 0 | 1 | 0 | 0 | 0 |
Occurrence Status: | |||||
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Historical >20 Years | 0 | ||||
Recent <=20 Years | 1 |
Presence: | |||||
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Presumed Extant | 1 | ||||
Possibly Extirpated | 0 | ||||
Presumed Extirpated | 0 |
California Endemic: | |||||||||||||
California Island: | |||||||||||||
States: Name (Code) California (CA) |
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California Counties and Islands: Name (Code) Los Angeles (LAX) |
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Quads: Name (Quad Code) Newhall (3411845) |
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Notes:
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CNPS Status Review: | CRPR List Addition on 2010-08-16 |