Species Details

Pentachaeta aurea ssp. allenii

Allen's pentachaeta

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Photo by ©2008 Bob Allen  max-height:128px; max-width:145px;
©2008 Bob Allen
Photo by © 2008 Bob Allen  max-height:128px; max-width:145px;
© 2008 Bob Allen
Photo by © 2008 Bob Allen  max-height:128px; max-width:145px;
© 2008 Bob Allen
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:
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:
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:
Total Occurrences: 8
Element Occurrence Ranks:
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
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.

Map

Presumed Extant
Counties   Quads