Neviusia cliftonii
Common Name: Shasta snow-wreath
Family: Rosaceae
Element Code: PDROS14020
Full Name: Neviusia cliftonii Shevock, B. Ertter & D.W. Taylor

2008 Amanda Shufelberger
Biology Glossary
  • Lifeform: perennial deciduous shrub
  • Blooming Period: Apr-Jun
  • Habitat: often streamsides; sometimes carbonate, volcanic, or metavolcanic.
    • Cismontane woodland
    • Lower montane coniferous forest
    • Riparian woodland
Rarity Status Glossary
Occurrence Data from CDFW
California Natural Diversity Database Glossary
  • Total # of Known Element Occurrences: 24
  • Element Occurrence Ranks:
    A B C D X U
    4 17 0 0 0 3
  • Population Status:
    >20 yrs
    <=20 yrs
    3 21
  • Presence:
    Present Extant Possibly Extirpated Presumed Extirpated
    24 0 0
Notes Glossary
  • Known only from near Lake Shasta. Potentially threatened by logging, mining, and proposed dam raise project. Possibly threatened by road maintenance and non-native plants. See Novon 2(4):285-289 (1992) for original description, Fremontia 22(3):3-13 (1993) for species account and information about discovery, and Fremontia 33(2):24-26 (2005) for information on habitat and geology.
  • To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page.
  • Date Added: 1994-01-01
  • Last Update: 2014-01-03
Location Glossary
  • Elevation: 300 - 590 meters
  • California Endemic: yes
  • Other States:
  • California Counties and Islands:   name (code)
    Shasta (SHA)
  • Quads:   name (DWR code) USGS code
    Bella Vista (646B) 4012262,  Project City (647A) 4012263,  Montgomery Creek (663C) 4012178,  Goose Gap (664A) 4012281,  Bollibokka Mtn. (664B) 4012282,  Minnesota Mtn. (664C) 4012272,  Devils Rock (664D) 4012271,  Hanland Peak (665A) 4012283,  O'Brien (665D) 4012273
  • 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 1742
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 [accessed ].

4012262=Bella Vista (646B) 4012262;4012263=Project City (647A) 4012263;4012178=Montgomery Creek (663C) 4012178;4012281=Goose Gap (664A) 4012281;4012282=Bollibokka Mtn. (664B) 4012282;4012272=Minnesota Mtn. (664C) 4012272;4012271=Devils Rock (664D) 4012271;4012283=Hanland Peak (665A) 4012283;4012273=O'Brien (665D) 4012273