CNPS

CNPS Rare Plant Inventory

Species Details

Pentachaeta fragilis

fragile pentachaeta

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  Classification

Scientific Name:
Pentachaeta fragilis Bdg.
Common Name:
fragile pentachaeta
Family: Asteraceae
Element Code: PDAST6X050
USDA Plants Symbol: PEFR6
Synonyms/Other Names:

  Conservation Status

CA Rare Plant Rank: 4.3
Fed List: None
State List: None
Global Rank: G3
State Rank:
 S3
Other Status:
CRPR Changes:
Add Date: 2001-01-01
Date Edited: 2022-06-08

  Ecology and Life History

Lifeform: annual herb
Blooming Period: Mar-Jun
JFMAMJJASOND
Elevation:
45 - 2100 meters
150 - 6890 feet
General Habitats:
  • Chaparral
  • Lower montane coniferous forest (sandy)
Microhabitat Details:
Microhabitat:
  • Openings (often)

  Notes

Notes:
Possibly threatened by wind energy development. See University of California Publications in Botany 6(7):170 (1915) for original description and 65:38 (1973) for taxonomic treatment.
Threats:
Taxonomy:

  Threat List Data from the CNDDB

Threat List Total: 0
Total EOs % of EOs
EOs with Threat Listed: 0 0 %
THREAT LIST:

  Occurrence Data from the CNDDB

Total Occurrences: 0
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 0
Occurrence Status:
Historical >20 Years 0
Recent <=20 Years 0
Presence:
Presumed Extant 0
Possibly Extirpated 0
Presumed Extirpated 0

  Location

California Endemic:
California Island:
States: Name (Code)
California (CA)
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)
Notes:
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.
Regional Map

  Map

Presumed Extant
Click on quad for name. Hold Shift Key to use mouse scroll wheel

  Selected References

Suggested Citation:
California Native Plant Society, Rare Plant Program. 2023. Rare Plant Inventory (online edition, v9.5). Website https://www.rareplants.cnps.org [accessed 27 September 2023].