Taxon Report
Erigeron calvus Cov.bald daisy |
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Taxon Summary
Erigeron calvus, commonly known as bald daisy, is a perennial herb in the Asteraceae that is found only in California. It occurs within Great Basin scrub, growing at elevations from 1200 to 1200 meters. Erigeron calvus is ranked 1B.1, Plants Rare, Threatened or Endangered in California and Elsewhere; Seriously threatened in California.Classification
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Scientific Name: |
Erigeron calvus Cov. |
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Common Name: |
bald daisy |
| Family: | Asteraceae |
| Element Code: | PDAST3M5N0 |
| USDA Plants Symbol: | ERCA3 |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial herb |
| Blooming Period: May | May |
| Elevation: | 1200-1200 (3935-3935) |
| General Habitats: | Great Basin scrub |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.1 |
| Global Rank: | G1Q |
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State Rank: |
S1 |
| State List: | None |
| Fed List: | None |
| Other Status: | BLM_S |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 2 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 0 |
| Fair (C) | 1 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 1 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Inyo (INY) | |
| Quads: Name (Quad Code) | |
| Dolomite (3611758), Santa Rosa Flat (3611746) | |
Threat List Data from the CNDDB
| Threat List Total: | 3 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 1 | 50 % | |
| Foot traffic/trampling | 1 | 50% |
| Mining | 1 | 50% |
| Other | 1 | 50% |
Notes
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Known only from near Keeler; field surveys needed. Closely related to E. divergens |
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Threats: |
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Taxonomy: |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 24 October 2025].