Taxon Report
Eryngium constancei SheikhLoch Lomond button-celery |
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Taxon Summary
Eryngium constancei, commonly known as Loch Lomond button-celery, is a annual/perennial herb in the Apiaceae that is found only in California. It occurs within Vernal pools, growing at elevations from 460 to 855 meters. Eryngium constancei is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.Classification
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Scientific Name: |
Eryngium constancei Sheikh |
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Common Name: |
Loch Lomond button-celery |
| Family: | Apiaceae |
| Element Code: | PDAPI0Z0W0 |
| USDA Plants Symbol: | ERCO39 |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | annual/perennial herb |
| Blooming Period: Apr-Jun | Apr-Jun |
| Elevation: | 460-855 (1510-2805) |
| General Habitats: | Vernal pools |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.1 |
| Global Rank: | G1 |
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State Rank: |
S1 |
| State List: | CE |
| Fed List: | FE |
| Other Status: | SB_CalBG/RSABG |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 4 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 2 |
| Fair (C) | 0 |
| Poor (D) | 1 |
| None (X) | 0 |
| Unknown (U) | 1 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Lake (LAK), Sonoma (SON) | |
| Quads: Name (Quad Code) | |
| Calistoga (3812255), Clearlake Highlands (3812286), Whispering Pines (3812276) | |
Threat List Data from the CNDDB
| Threat List Total: | 7 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 3 | 75 % | |
| Erosion/runoff | 2 | 50% |
| Logging | 1 | 25% |
| ORV activity | 1 | 25% |
| Road/trail construction/maint. | 1 | 25% |
| Surface water diversion | 1 | 25% |
| Agriculture | 1 | 25% |
| Development | 1 | 25% |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 21 April 2025].