Packera eurycephala var. lewisrosei
Common Name: Lewis Rose's ragwort
Family: Asteraceae
Synonyms: Senecio eurycephalus var. lewisrosei
Element Code: PDAST8H182
Full Name: Packera eurycephala (Torr. & A. Gray) W.A. Weber & A. Love var. lewisrosei (J.T. Howell) J.F. Bain

2006 George W. Hartwell
Biology Glossary
Rarity Status Glossary
Occurrence Data from DFG
California Natural Diversity Database Glossary
  • Total # of Known Element Occurrences: 35
  • Element Occurrence Ranks:
    A B C D X U
    3 20 2 0 0 10
  • Population Status:
    >20 yrs
    <=20 yrs
    10 25
  • Presence:
    Present Extant Possibly Extirpated Extirpated
    35 0 0
Notes Glossary
  • Threatened by mining, road maintenance, and vehicles. Taxonomic study needed. See Senecio eurycephalus var. lewisrosei in The Jepson Manual (1993). See Leaflets of Western Botany 3(6):141-142 (1942) for original description. See Phytologia 49(1): 44-50 (1981) for revised nomenclature.
  • To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page.
  • Date Added: 1984-01-01
  • Last Update: 2010-03-15
Location Glossary
  • Elevation: 274 - 1890 meters
  • California Endemic: yes
  • States: California
  • California Counties and Islands:   name (code)
    Butte (BUT),  Plumas (PLU)
  • Quads:   name (DWR code) USGS code
    Berry Creek (575B) 39121F4,  Cherokee (576A) 39121F5,  Pulga (591C) 39121G4,  Stirling City (592A) 39121H5,  Paradise East (592D) 39121G5,  Almanor (606B) 40121B2,  Caribou (606C) 40121A2,  Jonesville (607C) 40121A4,  Belden (607D) 40121A3
  • 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 1462
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 ].

39121F4=Berry Creek (575B) 39121F4;39121F5=Cherokee (576A) 39121F5;39121G4=Pulga (591C) 39121G4;39121H5=Stirling City (592A) 39121H5;39121G5=Paradise East (592D) 39121G5;40121B2=Almanor (606B) 40121B2;40121A2=Caribou (606C) 40121A2;40121A4=Jonesville (607C) 40121A4;40121A3=Belden (607D) 40121A3