Taxon Report
Erigeron supplex Graysupple daisy |
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Classification
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Scientific Name: |
Erigeron supplex Gray |
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Common Name: |
supple daisy |
| Family: | Asteraceae |
| Element Code: | PDAST3M3Z0 |
| USDA Plants Symbol: | ERSU4 |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | perennial herb |
| Blooming Period: May-Jul | May-Jul |
| Elevation: | 10-50 (35-165) |
| General Habitats: | Coastal bluff scrub, Coastal prairie |
| Microhabitat: | |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.2 |
| Global Rank: | G2 |
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State Rank: |
S2 |
| State List: | None |
| Fed List: | None |
| Other Status: | BLM_S; SB_UCBG |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 21 |
| Element Occurrence Ranks: | |
| Excellent (A) | 1 |
| Good (B) | 6 |
| Fair (C) | 4 |
| Poor (D) | 1 |
| None (X) | 1 |
| Unknown (U) | 8 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Marin (MRN)*, Mendocino (MEN), Sonoma (SON) | |
| Quads: Name (Quad Code) | |
| Drakes Bay (3812218)*, Gualala (3812375), Mendocino (3912337), Plantation (3812353), Point Arena (3812386), Saunders Reef (3812376), Stewarts Point (3812364) | |
Threat List Data from the CNDDB
| Threat List Total: | 8 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 12 | 57 % | |
| Development | 7 | 33% |
| Non-native plant impacts | 3 | 14% |
| Road/trail construction/maint. | 3 | 14% |
| Vandalism/dumping/litter | 1 | 4% |
| Other | 1 | 4% |
| Recreational use (non-ORV) | 1 | 4% |
| Grazing | 1 | 4% |
| Logging | 1 | 4% |
Notes
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Need historical quad for HUM Co. Threatened by coastal development. Possibly threatened by trampling, non-native plants, and pipeline construction. See Proceedings of the American Academy of Arts and Sciences |
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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 6 January 2025].