Cordylanthus tenuis ssp. pallescens
Common Name: pallid bird's-beak
Family: Orobanchaceae
Synonyms: Cordylanthus pallescens
Element Code: PDSCR0J0S3
Full Name: Cordylanthus tenuis Gray ssp. pallescens (Penn.) Chuang & Heckard

Biology Glossary
Rarity Status Glossary
  • Rare Plant Rank: 1B.2
    Rare, threatened, or endangered in California and elsewhere
    .2: Fairly endangered in California
  • Federal Listing Status:
    Not Listed
  • State Listing Status:
    Not Listed
  • State Rank: S1
    S1: Critically Imperiled.
  • Global Rank: G4G5T1
    T1: Critically Imperiled. G4: (species) Apparently secure, considering populations outside California. G5: (species) Secure, considering populations outside California.
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 4 6 0 0 2
  • Population Status:
    >20 yrs
    <=20 yrs
    3 9
  • Presence:
    Present Extant Possibly Extirpated Extirpated
    12 0 0
Notes Glossary
  • Threatened by development and road maintenance. Intergrades with ssp. tenuis and ssp. viscidus; core populations of ssp. pallescens should be prioritized for conservation. See Proceedings of the Academy of Natural Sciences of Philadelphia 99(7):197-198 (1947) for original description, Systematic Botany Monographs 10:50-62 (1986) for taxonomic treatment, and Madroño 61(1):64-76 (2014) for taxonomic treatment and disussion of management.
  • To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page.
  • Date Added: 1980-01-01
  • Last Update: 2014-07-30
Location Glossary
  • Elevation: 695 - 1645 meters
  • California Endemic: yes
  • States: California
  • California Counties and Islands:   name (code)
    Shasta (SHA),  Siskiyou (SIS)
  • Quads:   name (DWR code) USGS code
    Dunsmuir (682A) 41122B3,  Seven Lakes Basin (682B) 41122B4,  Mt. Shasta (698B) 41122D2,  Hotlum (699A) 41122D3,  Weed (699B) 41122D4,  Mount Eddy (699C) 41122C4,  City of Mount Shasta (699D) 41122C3,  China Mtn. (700A) 41122D5
  • 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 509
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 ].

41122B3=Dunsmuir (682A) 41122B3;41122B4=Seven Lakes Basin (682B) 41122B4;41122D2=Mt. Shasta (698B) 41122D2;41122D3=Hotlum (699A) 41122D3;41122D4=Weed (699B) 41122D4;41122C4=Mount Eddy (699C) 41122C4;41122C3=City of Mount Shasta (699D) 41122C3;41122D5=China Mtn. (700A) 41122D5