Taxon Report
Pentachaeta fragilis Bdg.fragile pentachaeta |
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Taxon Summary
Pentachaeta fragilis, commonly known as fragile pentachaeta, is a annual herb in the Asteraceae that is found only in California. It occurs within Chaparral, and Lower montane coniferous forest (sandy), growing at elevations from 45 to 2100 meters. Pentachaeta fragilis is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.Classification
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Scientific Name: |
Pentachaeta fragilis Bdg. |
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Common Name: |
fragile pentachaeta |
| Family: | Asteraceae |
| Element Code: | PDAST6X050 |
| USDA Plants Symbol: | PEFR6 |
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Synonyms/Other Names: |
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Ecology and Life History
| Lifeform: | annual herb |
| Blooming Period: Mar-Jun | Mar-Jun |
| Elevation: | 45-2100 (150-6890) |
| General Habitats: | Chaparral, Lower montane coniferous forest |
| Microhabitat: | Openings (often) |
| Microhabitat Details: |
Conservation Status
| CA Rare Plant Rank: | 4.3 |
| Global Rank: | G3 |
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State Rank: |
S3 |
| State List: | None |
| Fed List: | None |
| Other Status: | |
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CRPR Changes: |
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Occurrence Data from the CNDDB
| Total Occurrences: | 0 |
| Element Occurrence Ranks: | |
| Excellent (A) | 0 |
| Good (B) | 0 |
| Fair (C) | 0 |
| Poor (D) | 0 |
| None (X) | 0 |
| Unknown (U) | 0 |
| California Endemic: True | |
| California Counties and Islands: Name (Code) | |
| Kern (KRN), Madera (MAD), San Luis Obispo (SLO) | |
| Quads: Name (Quad Code) | |
| Caliente Mtn. (3511917), Claraville (3511843), Cross Mountain (3511832), Emerald Mtn. (3511833), Loraine (3511834), Raymond (3711928) | |
Threat List Data from the CNDDB
| Threat List Total: | 0 | |
| EOs with Threat Listed: | Total EOs | % of EOs |
| 0 | 0 % | |
Citation
California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 13 May 2025].