Taxon Details
Downingia concolor var. brevior
Cuyamaca Lake downingia
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Taxon Summary:
Downingia concolor var. brevior, commonly known as Cuyamaca Lake downingia, is a annual herb in the Campanulaceae that is found only in California. It occurs within Meadows and seeps (vernally mesic), and Vernal pools, growing at elevations from 1380 to 1500 meters. Downingia concolor var. brevior is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.|
Scientific Name: Downingia concolor Greene var. brevior McVaugh |
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Common Name: Cuyamaca Lake downingia |
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| Family: | Campanulaceae | |
| Element Code: | PDCAM06041 | |
| USDA Plants Symbol: | DOCOB | |
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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: | None |
| State List: | CE (1982-02-01) |
| Global Rank: | G4T1 |
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State Rank: |
S1 |
| Other Status: | SB_CRES |
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CRPR Changes: |
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| Add Date: | 1980-01-01 |
| Date Edited: | 2021-05-26 |
| Lifeform: annual herb | ||||||||||||||
Blooming Period: May-Jul
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Elevation:
1380 - 1500 meters 4530 - 4920 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
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Microhabitat:
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Notes: Known from fewer than 5 occurrences in the Cuyamaca Lake area. Threatened by development, altered hydrology, grazing, and recreation. Habitat restoration and seed introduction occurred in 1994; conservation activities occurring as of 1997. See Memoirs of the Torrey Botanical Club 19(4):1-57 (1941) for original description. |
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Threats: |
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Taxonomy: |
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| Threat List Total: | 12 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 3 | 75 % |
| THREAT LIST: | ||
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| Altered flood/tidal/hydrologic regime | 2 | 50% |
| Development | 2 | 50% |
| Recreational use (non-ORV) | 2 | 50% |
| Road/trail construction/maint. | 2 | 50% |
| Foot traffic/trampling | 2 | 50% |
| Grazing | 2 | 50% |
| ORV activity | 1 | 25% |
| Surface water diversion | 1 | 25% |
| Vandalism/dumping/litter | 1 | 25% |
| Erosion/runoff | 1 | 25% |
| Biocides | 1 | 25% |
| Dam/Inundation | 1 | 25% |
| Total Occurrences: | 4 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 0 | 2 | 0 | 0 | 1 | 1 |
| Occurrence Status: | |||||
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| Historical >20 Years | 2 | ||||
| Recent <=20 Years | 2 | ||||
| Presence: | |||||
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| Presumed Extant | 3 | ||||
| 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) San Diego (SDG) |
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Quads: Name (Quad Code) Cuyamaca Peak (3211685), Julian (3311615), Warners Ranch (3311626) |
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Notes:
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Presumed Extant
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