Species Details
Calochortus pulchellus
Mt. Diablo fairy-lantern
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Scientific Name: Calochortus pulchellus Benth. |
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Common Name: Mt. Diablo fairy-lantern |
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| Family: | Liliaceae | |
| Element Code: | PMLIL0D160 | |
| USDA Plants Symbol: | CAPU2 | |
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Synonyms/Other Names: |
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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: | SB_CalBG/RSABG |
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CRPR Changes: |
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| Add Date: | 1974-01-01 |
| Date Edited: | 2022-12-06 |
| Lifeform: perennial bulbiferous herb | ||||||||||||||
Blooming Period: Apr-Jun
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Elevation:
30 - 840 meters 100 - 2755 feet |
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General Habitats:
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| Microhabitat Details: | ||||||||||||||
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Microhabitat:
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Notes: Threatened by grazing, urbanization, horticultural collection, and feral pigs. Potentially threatened by road maintenance. See Proceedings of the California Academy of Sciences III 2:118 (1901) for taxonomic treatment, and Journal of Ecology 75:977-995 (1987) for population biology. |
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Threats: |
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Taxonomy: |
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| Threat List Total: | 14 | |
| Total EOs | % of EOs | |
| EOs with Threat Listed: | 21 | 40 % |
| THREAT LIST: | ||
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| Road/trail construction/maint. | 10 | 19% |
| Foot traffic/trampling | 6 | 11% |
| Grazing | 6 | 11% |
| Non-native plant impacts | 4 | 7% |
| Erosion/runoff | 3 | 5% |
| Over-collecting/poaching | 3 | 5% |
| Recreational use (non-ORV) | 2 | 3% |
| Feral pigs | 2 | 3% |
| Other | 2 | 3% |
| Improper burning regime | 1 | 1% |
| Insufficient population/stand size | 1 | 1% |
| Vandalism/dumping/litter | 1 | 1% |
| Wood cutting or brush clearing | 1 | 1% |
| Development | 1 | 1% |
| Total Occurrences: | 52 | ||||
| Element Occurrence Ranks: | |||||
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| A | B | C | D | X | U |
| 2 | 17 | 5 | 2 | 0 | 26 |
| Occurrence Status: | |||||
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| Historical >20 Years | 29 | ||||
| Recent <=20 Years | 23 | ||||
| Presence: | |||||
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| Presumed Extant | 52 | ||||
| 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), Contra Costa (CCA) |
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Quads: Name (Quad Code) Antioch South (3712187), Benicia (3812212), Briones Valley (3712282), Byron Hot Springs (3712176), Clayton (3712188), Diablo (3712178), Las Trampas Ridge (3712271), Tassajara (3712177), Walnut Creek (3712281) |
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Notes:
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Presumed Extant
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