Taxon Report
Calycadenia hooveri CarrHoover's calycadenia |
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Taxon Summary
Calycadenia hooveri, commonly known as Hoover's calycadenia, is a annual herb in the Asteraceae that is found only in California. It occurs within Cismontane woodland, and Valley and foothill grassland, growing at elevations from 65 to 300 meters. Calycadenia hooveri is ranked 1B.3, Plants Rare, Threatened or Endangered in California and Elsewhere; Not very threatened in California.Classification
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Scientific Name: |
Calycadenia hooveri Carr |
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Common Name: |
Hoover's calycadenia |
| Family: | Asteraceae |
| Element Code: | PDAST1P040 |
| USDA Plants Symbol: | CAHO18 |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | annual herb |
| Blooming Period: Jul-Sep | Jul-Sep |
| Elevation: | 65-300 (215-985) |
| General Habitats: | Cismontane woodland, Valley and foothill grassland |
| Microhabitat: | Rocky |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 1B.3 |
| Global Rank: | G2 |
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State Rank: |
S2 |
| 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: | 37 |
| Element Occurrence Ranks: | |
| Excellent (A) | 4 |
| Good (B) | 9 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 1 |
| Unknown (U) | 23 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Calaveras (CAL), Madera (MAD), Mariposa (MPA), Merced (MER), San Joaquin (SJQ), Stanislaus (STA) | |
| Quads: Name (Quad Code) | |
| Cooperstown (3712065), Haystack Mtn. (3712043), Indian Gulch (3712042), Keystone (3712075), La Grange (3712064), Lanes Bridge (3611987), Merced Falls (3712053), Montpelier (3712056), Owens Reservoir (3712032), Paulsell (3712066), Raynor Creek (3712021), Snelling (3712054), Wallace (3812028) | |
Threat List Data from the CNDDB
| Threat List Total: | 4 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 12 | 32 % | |
| Grazing | 8 | 21% |
| Development | 4 | 10% |
| Agriculture | 1 | 2% |
| Road/trail construction/maint. | 1 | 2% |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 3 February 2025].