Taxon Details
Euphorbia hooveri
Hoover's spurge
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© 2020 Neal Kramer |
© 2020 Neal Kramer |
© 2020 Neal Kramer |
Taxon Summary:
Euphorbia hooveri, commonly known as Hoover's spurge, is a annual herb in the Euphorbiaceae that is found only in California. It occurs within Vernal pools, growing at elevations from 25 to 250 meters. Euphorbia hooveri is ranked 1B.2, Plants Rare, Threatened or Endangered in California and Elsewhere; Moderately threatened in California.|
Scientific Name: Euphorbia hooveri L.C. Wheeler |
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Common Name: Hoover's spurge |
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| Family: | Euphorbiaceae | |
| Element Code: | PDEUP0D150 | |
| 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: | FT (1997-03-26) |
| State List: | None |
| Global Rank: | G1 |
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State Rank: |
S1 |
| Other Status: | |
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CRPR Changes: |
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| Add Date: | 1974-01-01 |
| Date Edited: | 2024-06-04 |
| Lifeform: annual herb | ||||||||||||||
Blooming Period: (May-Jun)Jul-Sep(Oct)
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Elevation:
25 - 250 meters 80 - 820 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: | 12 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 23 | 79 % |
| THREAT LIST: | ||
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| Grazing | 19 | 65% |
| Non-native plant impacts | 6 | 20% |
| Agriculture | 5 | 17% |
| Altered flood/tidal/hydrologic regime | 4 | 13% |
| Foot traffic/trampling | 4 | 13% |
| Erosion/runoff | 3 | 10% |
| Biocides | 1 | 3% |
| Development | 1 | 3% |
| Disking | 1 | 3% |
| Other | 1 | 3% |
| Recreational use (non-ORV) | 1 | 3% |
| Surface water diversion | 1 | 3% |
| Total Occurrences: | 29 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 2 | 7 | 9 | 2 | 4 | 5 |
| Occurrence Status: | |||||
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| Historical >20 Years | 17 | ||||
| Recent <=20 Years | 12 | ||||
| Presence: | |||||
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| Presumed Extant | 25 | ||||
| Possibly Extirpated | 2 | ||||
| Presumed Extirpated | 2 | ||||
| California Endemic: | |||||||||||||
| California Island: | |||||||||||||
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States: Name (Code) California (CA) |
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California Counties and Islands: Name (Code) Butte (BUT), Glenn (GLE), Merced (MER), Stanislaus (STA), Tehama (TEH), Tulare (TUL) |
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Quads: Name (Quad Code) Cooperstown (3712065), Hamlin Canyon (3912166), Ivanhoe (3611942), Logandale (3912242), Monson (3611943), Montpelier (3712056), Nord (3912178), Richardson Springs NW (3912188), Turlock Lake (3712055), Turner Ranch (3712026), Vina (3912281) |
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Notes:
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Presumed Extant
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