Erigeron lassenianus var. deficiens
Common Name: Plumas rayless daisy
Family: Asteraceae
Element Code: PDAST3M262
Full Name: Erigeron lassenianus Greene var. deficiens Cronquist

2012 Melanie S. Williams
Biology Glossary
  • Lifeform: perennial herb
  • Blooming Period: June - September
  • Habitat: Gravelly, sometimes serpentinite, sometimes disturbed sites.
    • Lower montane coniferous forest
Rarity Status Glossary
Occurrence Data from DFG
California Natural Diversity Database Glossary
  • Total # of Known Element Occurrences: 24
  • Element Occurrence Ranks:
    A B C D X U
    2 12 4 1 0 5
  • Population Status:
    >20 yrs
    <=20 yrs
    1 23
  • Presence:
    Present Extant Possibly Extirpated Extirpated
    24 0 0
Notes Glossary
  • Known mostly from Plumas NF. Potentially threatened by logging, vehicles, and habitat alteration. Plants on serpentinite may be unique; needs further study. See Brittonia 6(2):171 (1947) 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: 2012-09-28
  • Last Update: 2013-02-04
Location Glossary
  • Elevation: 1360 - 1980 meters
  • California Endemic: yes
  • States: California
  • California Counties and Islands:   name (code)
    Plumas (PLU),  Sierra (SIE)
  • Quads:   name (DWR code) USGS code
    La Porte (573B) 39120F8,  Goodyears Bar (573C) 39120E8,  American House (574A) 39121F1,  Quincy (589B) 39120H8,  Onion Valley (589C) 39120G8,  Meadow Valley (590A) 39121H1,  Haskins Valley (590C) 39121G2,  Dogwood Peak (590D) 39121G1,  Greenville (605B) 40120B8,  Canyondam (606A) 40121B1,  Almanor (606B) 40121B2,  Twain (606D) 40121A1,  Chester (624C) 40121C2
  • 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 3744
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 ].

39120F8=La Porte (573B) 39120F8;39120E8=Goodyears Bar (573C) 39120E8;39121F1=American House (574A) 39121F1;39120H8=Quincy (589B) 39120H8;39120G8=Onion Valley (589C) 39120G8;39121H1=Meadow Valley (590A) 39121H1;39121G2=Haskins Valley (590C) 39121G2;39121G1=Dogwood Peak (590D) 39121G1;40120B8=Greenville (605B) 40120B8;40121B1=Canyondam (606A) 40121B1;40121B2=Almanor (606B) 40121B2;40121A1=Twain (606D) 40121A1;40121C2=Chester (624C) 40121C2