Delphinium stachydeum
Common Name: spiked larkspur
Family: Ranunculaceae
Element Code: PDRAN0B1Q0
Full Name: Delphinium stachydeum (Gray) Tides.

2009 F. Gauna
Biology Glossary
Rarity Status Glossary
Occurrence Data from DFG
California Natural Diversity Database Glossary
  • Total # of Known Element Occurrences: 33
  • Element Occurrence Ranks:
    A B C D X U
    6 16 3 0 0 8
  • Population Status:
    >20 yrs
    <=20 yrs
    13 20
  • Presence:
    Present Extant Possibly Extirpated Extirpated
    33 0 0
Notes Glossary
  • Possibly threatened by logging and grazing. See Botanical Gazette 12:52 (1887) for original description, Proceedings of the Biological Society of Washington 27:61 (1914) for revised nomenclature, and Brittonia 8:1-22 (1954) for taxonomic treatment.
  • 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: 1300 - 2600 meters
  • California Endemic: no
  • States: California, Idaho, Nevada, Oregon, Utah, Washington
  • California Counties and Islands:   name (code)
    Lassen (LAS),  Modoc (MOD)
  • Quads:   name (DWR code) USGS code
    Shinn Mtn. (638B) 40120F2,  Fredonyer Peak (640A) 40120F5,  Buckhorn Lake (656A) 40120H1,  Observation Peak (656C) 40120G2,  Cleghorn Flat (658D) 40120G5,  Emerson Peak (673B) 41120B2,  Boot Lake (673C) 41120A2,  Jess Valley (674A) 41120B3,  Tule Mountain (674B) 41120B4,  Madeline (674C) 41120A4,  Cold Spring Mtn. (674D) 41120A3,  Holbrook Canyon (675D) 41120A5,  Eagle Peak (690C) 41120C2,  Davis Creek (708A) 41120F3,  Larkspur Hills (724D) 41120G1
  • 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 223
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 ].

40120F2=Shinn Mtn. (638B) 40120F2;40120F5=Fredonyer Peak (640A) 40120F5;40120H1=Buckhorn Lake (656A) 40120H1;40120G2=Observation Peak (656C) 40120G2;40120G5=Cleghorn Flat (658D) 40120G5;41120B2=Emerson Peak (673B) 41120B2;41120A2=Boot Lake (673C) 41120A2;41120B3=Jess Valley (674A) 41120B3;41120B4=Tule Mountain (674B) 41120B4;41120A4=Madeline (674C) 41120A4;41120A3=Cold Spring Mtn. (674D) 41120A3;41120A5=Holbrook Canyon (675D) 41120A5;41120C2=Eagle Peak (690C) 41120C2;41120F3=Davis Creek (708A) 41120F3;41120G1=Larkspur Hills (724D) 41120G1