Juncus dudleyi
Common Name: Dudley's rush
Family: Juncaceae
Synonyms: Juncus tenuis var. dudleyi
Element Code: PMJUN01390
Full Name: Juncus dudleyi Wieg.

Biology Glossary
Rarity Status Glossary
Occurrence Data from DFG
California Natural Diversity Database Glossary
  • Total # of Known Element Occurrences: 12
  • Element Occurrence Ranks:
    A B C D X U
    0 0 2 0 1 9
  • Population Status:
    >20 yrs
    <=20 yrs
    9 3
  • Presence:
    Present Extant Possibly Extirpated Extirpated
    11 0 1
Notes Glossary
Location Glossary
  • Elevation: 455 - 2000 meters
  • California Endemic: no
  • States: California, !AL, !AR, Arizona, Colorado, !CT, !DC, !IA, Idaho, !IL, !IN, !KS, !KY, !LA, !MA, !MD, !ME, !MI, !MN, !MO, !MS, !MT, !NC, !ND, !NE, !NH, !NJ, New Mexico, Nevada, !NY, !OH, !OK, Oregon, !PA, !RI, !SC, !SD, !TN, Texas, Utah, !VA, !VT, Washington, !WI, !WV, Wyoming
  • California Counties and Islands:   name (code)
    Humboldt (HUM),  Lassen (LAS),  Plumas (PLU),  Siskiyou (SIS),  Trinity (TRI)
  • Quads:   name (DWR code) USGS code
    Canyondam (606A) 40121B1,  Roop Mountain (623A) 40120D7,  Weaverville (649B) 40122F8,  Trinity Center (666B) 40122H6,  Rush Creek Lakes (667C) 40122G8,  Mt. Hilton (668A) 40123H1,  Mumbo Basin (683A) 41122B5,  Gazelle Mtn. (700B) 41122D6,  Scott Mountain (700C) 41122C6,  Orleans (704D) 41123C5,  Seiad Valley (736C) 41123G2
  • 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 947
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 ].

40121B1=Canyondam (606A) 40121B1;40120D7=Roop Mountain (623A) 40120D7;40122F8=Weaverville (649B) 40122F8;40122H6=Trinity Center (666B) 40122H6;40122G8=Rush Creek Lakes (667C) 40122G8;40123H1=Mt. Hilton (668A) 40123H1;41122B5=Mumbo Basin (683A) 41122B5;41122D6=Gazelle Mtn. (700B) 41122D6;41122C6=Scott Mountain (700C) 41122C6;41123C5=Orleans (704D) 41123C5;41123G2=Seiad Valley (736C) 41123G2