Rhynchospora alba
Common Name: white beaked-rush
Family: Cyperaceae
Element Code: PMCYP0N010
Full Name: Rhynchospora alba (L.) Vahl

1996 Dean Wm. Taylor
Biology Glossary
Rarity Status Glossary
Occurrence Data from DFG
California Natural Diversity Database Glossary
  • Total # of Known Element Occurrences: 11
  • Element Occurrence Ranks:
    A B C D X U
    1 2 0 0 0 8
  • Population Status:
    >20 yrs
    <=20 yrs
    10 1
  • Presence:
    Present Extant Possibly Extirpated Extirpated
    11 0 0
Notes Glossary
  • Does plant occur in DNT, INY, or MPA counties? Threatened by grazing, trampling, and hydrological alterations. Endangered in ID, and on review list in OR.
  • To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page.
  • Date Added: 1974-01-01
  • Last Update: 2013-06-12
Location Glossary
  • Elevation: 60 - 2040 meters
  • California Endemic: no
  • States: California, !AK, !AL, !CT, !DC, !DE, !GA, Idaho, !IL, !IN, !MA, !MD, !ME, !MI, !MN, !NC, !NH, !NJ, !NY, !OH, Oregon, !PA, !RI, !SC, !TN, !VA, !VT, Washington, !WI, !WV
  • California Counties and Islands:   name (code)
    Inyo (INY) ?,  Mendocino (MEN),  Mariposa (MPA) ?,  Nevada (NEV) ?,  Plumas (PLU),  Sonoma (SON),  Trinity (TRI)
  • Quads:   name (DWR code) USGS code
    Half Dome (437A) 37119F5,  Sebastopol (502A) 38122D7,  Elk (552B) 39123B6,  Graniteville (556B) 39120D6,  Cisco Grove (556D) 39120C5,  Mathison Peak (568C) 39123C6,  Fort Bragg (569A) 39123D7,  Inglenook (585D) 39123E7,  Crescent Mills (605C) 40120A8,  Mt. Harkness (625A) 40121D3,  Reading Peak (625B) 40121D4,  Smoky Creek (632C) 40123C2,  Covington Mill (667A) 40122H7
  • 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 1415
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 http://www.rareplants.cnps.org [accessed ].

37119F5=Half Dome (437A) 37119F5;38122D7=Sebastopol (502A) 38122D7;39123B6=Elk (552B) 39123B6;39120D6=Graniteville (556B) 39120D6;39120C5=Cisco Grove (556D) 39120C5;39123C6=Mathison Peak (568C) 39123C6;39123D7=Fort Bragg (569A) 39123D7;39123E7=Inglenook (585D) 39123E7;40120A8=Crescent Mills (605C) 40120A8;40121D3=Mt. Harkness (625A) 40121D3;40121D4=Reading Peak (625B) 40121D4;40123C2=Smoky Creek (632C) 40123C2;40122H7=Covington Mill (667A) 40122H7