Species Details

Pentachaeta aurea ssp. allenii

Allen's pentachaeta

Download Report Calflora eFlora CCH CalPhotos

Photo by ©2008 Bob Allen max-height:128px; max-width:145px;

Classification

Scientific Name: Pentachaeta aurea Nutt. ssp. allenii Keil
Common Name: Allen's pentachaeta
Family:	Asteraceae
Element Code:	PDAST6X021
USDA Plants Symbol:	PEAUA
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.1
Fed List:	None
State List:	None
Global Rank:	G4T1
State Rank:	S1
Other Status:
CRPR Changes: added to 1B.1 on 2008-05-08
Add Date:	2008-05-08
Date Edited:	2021-05-26

Ecology and Life History

Lifeform: annual herb
Blooming Period: Mar-Jun
Elevation: 75 - 520 meters 245 - 1705 feet
General Habitat: Coastal scrub (openings) Valley and foothill grassland
General Micro Habitat:
Micro Habitat:

Notes

Notes: Known from fewer than 20 occurrences in Orange County. Threatened by development, habitat alteration, and vehicles. Possibly threatened by non-native plants. Not in The Jepson Manual (1993). See Madrono 54(4):343-344 (2007) for original description.
Threats:
Taxonomy:
Other:

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					8
A	B	C	D	X	U
0	0	0	0	1	7

Occurrence Status:
Historical >20 Years	5
Recent <=20 Years	3

Presence:
Presumed Extant	7
Possibly Extirpated	1
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Orange (ORA)

Quads: Name (Quad Code)
Black Star Canyon (3311776), Dana Point (3311746), El Toro (3311766), Laguna Beach (3311757), San Juan Capistrano (3311756), Tustin (3311767)

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

Print this Map

Counties Quads

Selected References

CNPS Status Review:

CRPR List Addition on 2008-05-08