Pentachaeta aurea ssp. allenii
Common Name: Allen's pentachaeta
Family: Asteraceae
Element Code: PDAST6X021
Full Name: Pentachaeta aurea Nutt. ssp. allenii Keil

2008 Bob Allen
Biology Glossary
Rarity Status Glossary
Occurrence Data from DFG
California Natural Diversity Database Glossary
  • Total # of Known Element Occurrences: 8
  • Element Occurrence Ranks:
    A B C D X U
    0 0 0 0 1 7
  • Population Status:
    >20 yrs
    <=20 yrs
    4 4
  • Presence:
    Present Extant Possibly Extirpated Extirpated
    7 1 0
Notes Glossary
  • 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.
  • To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page.
  • Date Added: 2008-05-08
  • Last Update: 2011-05-20
Location Glossary
  • Elevation: 75 - 520 meters
  • California Endemic: yes
  • States: California
  • California Counties and Islands:   name (code)
    Orange (ORA)
  • Quads:   name (DWR code) USGS code
    Dana Point (052B) 33117D6,  Santiago Peak (070A) 33117F5,  El Toro (070B)(?) 33117F6,  Laguna Beach (071D) 33117E7,  Black Star Canyon (087C) 33117G6
  • Notes:
      Definitions of codes preceding a county and/or quad:
      * Presumed extirpated
      ? Uncertain about distribution or identity
      ?* Uncertain about distribution, but presumed extirpated if once present
      (?) Occurrence confirmed, but possibly extirpated
      Species may be present in other areas where conditions are favorable.
Presumed Extant Presumed Extirpated or Unknown 3303
Links to Leading Resources of Taxon Information
Suggested Citation
CNPS, Rare Plant Program. . Inventory of Rare and Endangered Plants (online edition, v8-02). California Native Plant Society, Sacramento, CA. Website [accessed ].

33117D6=Dana Point (052B) 33117D6;33117F5=Santiago Peak (070A) 33117F5;33117F6=El Toro (070B)(?) 33117F6;33117E7=Laguna Beach (071D) 33117E7;33117G6=Black Star Canyon (087C) 33117G6