Taxon Details

Pentachaeta fragilis

fragile pentachaeta

View Report Copy Link Calflora eFlora CCH CalPhotos iNaturalist

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

Scientific Name: Pentachaeta fragilis Bdg.
Common Name: fragile pentachaeta
Family:	Asteraceae
Element Code:	PDAST6X050
USDA Plants Symbol:	PEFR6
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

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

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

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					0
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

CNPS Rare Plant Inventory