Taxon Details
Leptosyne hamiltonii
Mt. Hamilton coreopsis
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©2012 Aaron Schusteff |
©2012 Aaron Schusteff |
©2012 Aaron Schusteff |
Taxon Summary:
Leptosyne hamiltonii, commonly known as Mt. Hamilton coreopsis, is a annual herb in the Asteraceae that is found only in California. It occurs within Cismontane woodland, growing at elevations from 550 to 1300 meters. Leptosyne hamiltonii is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.|
Scientific Name: Leptosyne hamiltonii Elmer |
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Common Name: Mt. Hamilton coreopsis |
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| Family: | Asteraceae | |
| Element Code: | PDAST2L0C0 | |
| USDA Plants Symbol: | ||
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Synonyms/Other Names: |
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| Name Status: |
JEF, FNA, POWO, IPNI, Tropicos |
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| CA Rare Plant Rank: | 1B.2 |
| Fed List: | None |
| State List: | None |
| Global Rank: | G2 |
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State Rank: |
S2 |
| Other Status: | BLM_S; SB_UCBG |
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CRPR Changes: |
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| Add Date: | 1974-01-01 |
| Date Edited: | 2021-05-26 |
| Lifeform: annual herb | ||||||||||||||
Blooming Period: Mar-May
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Elevation:
550 - 1300 meters 1805 - 4265 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: | 5 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 5 | 24 % |
| THREAT LIST: | ||
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| Grazing | 3 | 14% |
| Non-native plant impacts | 1 | 4% |
| Vandalism/dumping/litter | 1 | 4% |
| Erosion/runoff | 1 | 4% |
| Feral pigs | 1 | 4% |
| Total Occurrences: | 21 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 12 | 6 | 0 | 0 | 0 | 3 |
| Occurrence Status: | |||||
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| Historical >20 Years | 18 | ||||
| Recent <=20 Years | 3 | ||||
| Presence: | |||||
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| Presumed Extant | 21 | ||||
| Possibly Extirpated | 0 | ||||
| Presumed Extirpated | 0 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) California (CA) |
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California Counties and Islands: Name (Code) Alameda (ALA), Santa Clara (SCL), Stanislaus (STA) |
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Quads: Name (Quad Code) Cedar Mtn. (3712155), Isabel Valley (3712135), Lick Observatory (3712136), Lone Tree Creek (3712154), Mississippi Creek (3712124), Mt. Stakes (3712134), Solyo (3712153) |
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Notes:
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Presumed Extant
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