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Pentachaeta exilis ssp. aeolica
Common Name: San Benito pentachaeta
Family: Asteraceae
Element Code: PDAST6X041
Full Name: Pentachaeta exilis (Gray) Gray ssp. aeolica Van Horn & Ornduff

2007 Laura Ann Eliassen
Biology Glossary
Rarity Status Glossary
Occurrence Data from CDFW
California Natural Diversity Database Glossary
  • Total # of Known Element Occurrences: 16
  • Element Occurrence Ranks:
    A B C D X U
    2 4 0 0 0 10
  • Population Status:
    >20 yrs
    <=20 yrs
    5 11
  • Presence:
    Present Extant Possibly Extirpated Presumed Extirpated
    16 0 0
Notes Glossary
  • Threatened by vehicles and grazing. Potentially threatened by foot traffic. Possibly threatened by non-native plants. See University of California Publications in Botany 65:1-41 (1973) for taxonomic treatment.
  • To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page.
  • Date Added: 1980-01-01
  • Last Update: 2015-07-23
Location Glossary
  • Elevation: 480 - 855 meters
  • California Endemic: yes
  • Other States:
  • California Counties and Islands:   name (code)
    Monterey (MNT),  San Benito (SBT),  Santa Clara (SCL)
  • Quads:   name (DWR code) USGS code
    Alder Peak (296A) 3512183,  Cone Peak (319C) 3612114,  Bear Canyon (319D) 3612113,  San Benito Mtn. (339C) 3612036,  Hepsedam Peak (340D) 3612037,  Mt. Boardman (425B) 3712144,  Mt. Stakes (425C) 3712134,  Eylar Mtn. (426A) 3712145,  Isabel Valley (426D) 3712135
  • 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. This data should NOT be substituted for pre-project review or for on-site surveys.
Presumed Extant Presumed Extirpated or Unknown 1242
Links to Leading Resources of Taxon Information
Suggested Citation
California Native Plant Society, Rare Plant Program. . Inventory of Rare and Endangered Plants of California (online edition, v8-03). Website http://www.rareplants.cnps.org [accessed ].

3512183=Alder Peak (296A) 3512183;3612114=Cone Peak (319C) 3612114;3612113=Bear Canyon (319D) 3612113;3612036=San Benito Mtn. (339C) 3612036;3612037=Hepsedam Peak (340D) 3612037;3712144=Mt. Boardman (425B) 3712144;3712134=Mt. Stakes (425C) 3712134;3712145=Eylar Mtn. (426A) 3712145;3712135=Isabel Valley (426D) 3712135