Taxon Details
Sedella leiocarpa
Lake County stonecrop
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Taxon Summary:
Sedella leiocarpa, commonly known as Lake County stonecrop, is a annual herb in the Crassulaceae that is found only in California. It occurs within Cismontane woodland, Valley and foothill grassland, and Vernal pools, growing at elevations from 365 to 790 meters. Sedella leiocarpa is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.|
Scientific Name: Sedella leiocarpa H.K. Sharsm. |
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Common Name: Lake County stonecrop |
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| Family: | Crassulaceae | |
| Element Code: | PDCRA0F020 | |
| USDA Plants Symbol: | SELE7 | |
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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.1 |
| Fed List: | FE (1997-06-18) |
| State List: | CE (1990-01-01) |
| 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: | 2022-06-08 |
| Lifeform: annual herb | ||||||||||||||
Blooming Period: Apr-May
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Elevation:
365 - 790 meters 1200 - 2590 feet |
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General Habitats:
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| Microhabitat Details: vernally mesic depressions in volcanic outcrops | ||||||||||||||
Microhabitat:
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Notes: Extremely vulnerable to trampling; also threatened by grazing, altered hydrology, and development. Potentially threatened by road widening, and possibly threatened by non-native plants. State and federally listed as Parvisedum leiocarpum; see this name in The Jepson Manual (1993). See Madroño 5(6):192 (1940) for original description, and Haseltonia 5:53-60 (1997) for taxonomic information. |
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Threats: |
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Taxonomy: |
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| Threat List Total: | 6 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 5 | 100 % |
| THREAT LIST: | ||
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| Grazing | 3 | 60% |
| Non-native plant impacts | 1 | 20% |
| Other | 1 | 20% |
| Road/trail construction/maint. | 1 | 20% |
| Agriculture | 1 | 20% |
| Disking | 1 | 20% |
| Total Occurrences: | 5 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 0 | 3 | 0 | 0 | 1 | 1 |
| Occurrence Status: | |||||
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| Historical >20 Years | 3 | ||||
| Recent <=20 Years | 2 | ||||
| Presence: | |||||
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| Presumed Extant | 4 | ||||
| Possibly Extirpated | 1 | ||||
| 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) Lake (LAK) |
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Quads: Name (Quad Code) Clearlake Highlands (3812286), Middletown (3812275), Whispering Pines (3812276) |
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Notes:
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Presumed Extant
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